{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/CLAUDE.md"
}

     1→# cwc-backend-utils Package
     2→
     3→Backend utilities for CWC microservices. Node.js-specific utilities only.
     4→
     5→## Critical Architecture Rule
     6→
     7→**Only cwc-sql Talks to Database:**
     8→
     9→- ✅ All backend services MUST use SqlClient HTTP client
    10→- ✅ All database operations flow through cwc-sql service via POST /data/v1/command
    11→- ❌ NEVER import MariaDB or execute SQL from other packages
    12→
    13→## AuthClient - cwc-auth HTTP Client
    14→
    15→**Location:** `src/AuthClient/`
    16→
    17→HTTP client for cwc-auth service, following same pattern as SqlClient.
    18→
    19→**Purpose:**
    20→
    21→- Provides typed interface for cwc-auth endpoints (`/verify-token`, `/renew-session`, `/logon`)
    22→- Enables services to verify JWTs without duplicating auth logic
    23→- Enables CLI tools to login and obtain JWTs
    24→- Returns typed Result objects for easy error handling
    25→
    26→**Configuration:**
    27→
    28→```typescript
    29→type AuthClientConfig = {
    30→  authUriInternal: string; // e.g., 'http://cwc-auth:5005/auth/v1' (Docker)
    31→  authUriExternal?: string; // e.g., 'http://localhost:5005/auth/v1' (external callers)
    32→  timeout?: number; // Default: 5000ms (10000ms for login)
    33→};
    34→```
    35→
    36→**URI Selection:** If `authUriExternal` is provided, it takes precedence over `authUriInternal`. This allows internal services (cwc-api, cwc-content) to use Docker DNS while external callers (CLI tools) use external URLs.
    37→
    38→**Usage - Token Verification (Services):**
    39→
    40→```typescript
    41→import { AuthClient } from 'cwc-backend-utils';
    42→
    43→const authClient = new AuthClient({
    44→  config: { authUriInternal: config.authUriInternal },
    45→  logger: logger,
    46→  clientName: 'cwc-api',
    47→});
    48→
    49→const result = await authClient.verifyToken(authHeader);
    50→if (result.success) {
    51→  // result.payload contains UserJwtPayload
    52→} else {
    53→  // result.error contains error code
    54→}
    55→```
    56→
    57→**Usage - Login (CLI Tools):**
    58→
    59→```typescript
    60→import { AuthClient } from 'cwc-backend-utils';
    61→
    62→const authClient = new AuthClient({
    63→  config: { authUriInternal: '', authUriExternal: config.authUriExternal },
    64→  logger: undefined,
    65→  clientName: 'cwc-session-importer',
    66→});
    67→
    68→const loginResult = await authClient.login(username, password);
    69→if (loginResult.success) {
    70→  // loginResult.jwt contains the JWT token
    71→} else {
    72→  // loginResult.error contains error code
    73→  // loginResult.errorMessage contains optional detail (dev mode only)
    74→}
    75→```
    76→
    77→**Error Handling:**
    78→
    79→- Missing token → `{ success: false, error: 'MISSING_TOKEN' }`
    80→- Invalid/expired token (401) → `{ success: false, error: 'INVALID_TOKEN' }` or specific errorCode
    81→- Login failed (401) → `{ success: false, error: 'INVALID_CREDENTIALS' }` or specific errorCode
    82→- Network/timeout errors → `{ success: false, error: 'AUTH_SERVICE_ERROR' }` + logs error
    83→
    84→**Design Pattern:**
    85→
    86→- Similar to SqlClient: config + logger + clientName
    87→- Graceful degradation: errors don't throw, return typed failure result
    88→- Logging: Only logs unexpected errors (network issues, timeouts), not auth failures
    89→
    90→## StorageClient - cwc-storage HTTP Client
    91→
    92→**Location:** `src/StorageClient/`
    93→
    94→HTTP client for cwc-storage service, following same pattern as AuthClient.
    95→
    96→**Purpose:**
    97→
    98→- Provides typed interface for cwc-storage file operations
    99→- Handles GET, PUT, DELETE operations for session data files
   100→- Returns typed Result objects for easy error handling
   101→
   102→**Configuration:**
   103→
   104→```typescript
   105→type StorageClientConfig = {
   106→  storageUri: string; // e.g., 'http://localhost:5030/storage/v1'
   107→  storageApiKey: string; // API key for x-api-key header
   108→  timeout?: number; // Default: 30000ms (GET/DELETE), 60000ms (PUT)
   109→};
   110→```
   111→
   112→**Usage:**
   113→
   114→```typescript
   115→import { StorageClient } from 'cwc-backend-utils';
   116→
   117→const storageClient = new StorageClient({
   118→  config: {
   119→    storageUri: config.storageUri,
   120→    storageApiKey: config.secrets.storageApiKey,
   121→  },
   122→  logger: logger,
   123→  clientName: 'cwc-content',
   124→});
   125→
   126→// Get file
   127→const getResult = await storageClient.getFile(projectId, filename);
   128→if (getResult.success) {
   129→  // getResult.data is Buffer
   130→} else {
   131→  // getResult.error is error code
   132→}
   133→
   134→// Put file
   135→const putResult = await storageClient.putFile(projectId, filename, base64Data, fileEncoding);
   136→if (putResult.success) {
   137→  // putResult.filename is the stored filename
   138→}
   139→
   140→// Delete file
   141→const deleteResult = await storageClient.deleteFile(projectId, filename);
   142→```
   143→
   144→**Error Handling:**
   145→
   146→- File not found (400) → `{ success: false, error: 'FILE_NOT_FOUND' }`
   147→- Unauthorized (401) → `{ success: false, error: 'UNAUTHORIZED' }`
   148→- Network/timeout errors → `{ success: false, error: 'STORAGE_SERVICE_ERROR' }` + logs error
   149→- Write failed → `{ success: false, error: 'STORAGE_WRITE_FAILED' }`
   150→- Delete failed → `{ success: false, error: 'STORAGE_DELETE_FAILED' }`
   151→
   152→**Design Pattern:**
   153→
   154→- Same as AuthClient: config + logger + clientName
   155→- Uses `x-api-key` header for authentication (matching cwc-storage)
   156→- Graceful degradation: errors don't throw, return typed failure result
   157→- Logging: Only logs unexpected errors (network issues, timeouts)
   158→
   159→## ApiClient - cwc-api HTTP Client
   160→
   161→**Location:** `src/ApiClient/`
   162→
   163→HTTP client for cwc-api service, following same pattern as AuthClient.
   164→
   165→**Purpose:**
   166→
   167→- Provides typed interface for cwc-api CRUD operations
   168→- Handles project and codingSession operations
   169→- Uses JWT authentication (Bearer token)
   170→- Returns typed Result objects for easy error handling
   171→
   172→**Configuration:**
   173→
   174→```typescript
   175→type ApiClientConfig = {
   176→  apiUri: string; // e.g., 'http://localhost:5040/api/v1'
   177→  timeout?: number; // Default: 30000ms
   178→};
   179→
   180→type ApiClientOptions = {
   181→  config: ApiClientConfig;
   182→  jwt: string; // Bearer token for authentication
   183→  logger: ILogger | undefined;
   184→  clientName: string;
   185→};
   186→```
   187→
   188→**Usage:**
   189→
   190→```typescript
   191→import { ApiClient } from 'cwc-backend-utils';
   192→
   193→const apiClient = new ApiClient({
   194→  config: { apiUri: config.apiUri },
   195→  jwt: userJwt,
   196→  logger: logger,
   197→  clientName: 'cwc-session-importer',
   198→});
   199→
   200→// Get project by natural key
   201→const projectResult = await apiClient.getProject('coding-with-claude');
   202→if (projectResult.success) {
   203→  // projectResult.data is CwcProject
   204→}
   205→
   206→// List coding sessions for a project
   207→const listResult = await apiClient.listCodingSessions(projectPkId);
   208→
   209→// Create a coding session (returns codingSessionPkId for storage)
   210→const createResult = await apiClient.createCodingSession({
   211→  projectPkId,
   212→  sessionId,
   213→  description,
   214→  published: false,
   215→  startTimestamp,
   216→  endTimestamp,
   217→  gitBranch,
   218→  model,
   219→  messageCount,
   220→  filesModifiedCount,
   221→});
   222→// Use createResult.data.codingSessionPkId for storage folder
   223→
   224→// Delete a coding session
   225→const deleteResult = await apiClient.deleteCodingSession(codingSessionPkId);
   226→```
   227→
   228→**Error Handling:**
   229→
   230→- Unauthorized (401) → `{ success: false, error: 'UNAUTHORIZED' }`
   231→- Forbidden (403) → `{ success: false, error: 'FORBIDDEN' }`
   232→- Not found (404) → `{ success: false, error: 'NOT_FOUND' }`
   233→- Network/timeout errors → `{ success: false, error: 'API_SERVICE_ERROR' }` + logs error
   234→
   235→**Design Pattern:**
   236→
   237→- Same as AuthClient: config + jwt + logger + clientName
   238→- Uses `Authorization: Bearer` header for authentication
   239→- Auto-updates JWT on renewal (when API returns new JWT)
   240→- Graceful degradation: errors don't throw, return typed failure result
   241→
   242→## ContentClient - cwc-content HTTP Client
   243→
   244→**Location:** `src/ContentClient/`
   245→
   246→HTTP client for cwc-content service, following same pattern as ApiClient.
   247→
   248→**Purpose:**
   249→
   250→- Provides typed interface for cwc-content file operations
   251→- Handles GET, PUT, DELETE for session data files
   252→- Automatically gzips and base64-encodes data on PUT
   253→- Uses JWT authentication (Bearer token)
   254→
   255→**Configuration:**
   256→
   257→```typescript
   258→type ContentClientConfig = {
   259→  contentUri: string; // e.g., 'http://localhost:5008/content/v1'
   260→  timeout?: number; // Default: 60000ms
   261→};
   262→
   263→type ContentClientOptions = {
   264→  config: ContentClientConfig;
   265→  jwt: string; // Bearer token for authentication
   266→  logger: ILogger | undefined;
   267→  clientName: string;
   268→};
   269→```
   270→
   271→**Usage:**
   272→
   273→```typescript
   274→import { ContentClient } from 'cwc-backend-utils';
   275→
   276→const contentClient = new ContentClient({
   277→  config: { contentUri: config.contentUri },
   278→  jwt: userJwt,
   279→  logger: logger,
   280→  clientName: 'cwc-session-importer',
   281→});
   282→
   283→// Storage folder is the codingSessionPkId (from database record)
   284→const storageFolder = String(codingSessionPkId);
   285→
   286→// Upload session data (auto-gzips and base64-encodes)
   287→// Stores at: {projectId}/{storageFolder}/session.json.gz
   288→const putResult = await contentClient.putSessionData(projectId, storageFolder, sessionData);
   289→if (putResult.success) {
   290→  // putResult.filename is the stored filename
   291→}
   292→
   293→// Delete session data
   294→const deleteResult = await contentClient.deleteSessionData(projectId, storageFolder);
   295→
   296→// Get session data
   297→const getResult = await contentClient.getSessionData(projectId, storageFolder);
   298→if (getResult.success) {
   299→  // getResult.data is Buffer
   300→}
   301→
   302→// For images, use putFile with full path:
   303→// {storageFolder}/images/img-001.webp
   304→await contentClient.putFile(
   305→  projectId,
   306→  `${storageFolder}/images/img-001.webp`,
   307→  base64Data,
   308→  'binary'
   309→);
   310→```
   311→
   312→**Error Handling:**
   313→
   314→- Unauthorized (401) → `{ success: false, error: 'UNAUTHORIZED' }`
   315→- Forbidden (403) → `{ success: false, error: 'FORBIDDEN' }`
   316→- Not found (404) → `{ success: false, error: 'NOT_FOUND' }`
   317→- Network/timeout errors → `{ success: false, error: 'CONTENT_SERVICE_ERROR' }` + logs error
   318→
   319→**Design Pattern:**
   320→
   321→- Same as ApiClient: config + jwt + logger + clientName
   322→- Uses `Authorization: Bearer` header for authentication
   323→- Static helper `generateStorageFilename()` for consistent naming
   324→- Graceful degradation: errors don't throw, return typed failure result
   325→
   326→## JWT Syncing Between Clients - CRITICAL
   327→
   328→**When using multiple HTTP clients that share a JWT, you MUST sync the JWT after any call that might trigger renewal.**
   329→
   330→cwc-api renews the user's session on every authenticated request (except auth errors). The renewed JWT is returned in the response. If you're using multiple clients (e.g., ApiClient + ContentClient), you must sync the JWT between them:
   331→
   332→```typescript
   333→// Initialize both clients with the same JWT
   334→const apiClient = new ApiClient({ config, jwt, logger, clientName });
   335→const contentClient = new ContentClient({ config, jwt, logger, clientName });
   336→
   337→// Call API (might renew the JWT)
   338→const result = await apiClient.getProject(projectId);
   339→
   340→// CRITICAL: Sync JWT to ContentClient before using it
   341→contentClient.setJwt(apiClient.getJwt());
   342→
   343→// Now ContentClient has the renewed JWT
   344→await contentClient.putSessionData(projectId, filename, data);
   345→```
   346→
   347→**Why this matters:** When cwc-api renews a session, it deletes the old JWT from the database (SESSION_REVOKED). If ContentClient still has the old JWT, cwc-auth will reject it as revoked.
   348→
   349→**Available methods:**
   350→
   351→- `apiClient.getJwt()` - Get current JWT (may have been renewed)
   352→- `contentClient.setJwt(jwt)` - Update JWT for subsequent requests
   353→
   354→## JWT Authentication - CRITICAL Security Rules
   355→
   356→**Token Specifications:**
   357→
   358→- **Algorithm:** RS256 (RSA public/private key pairs)
   359→- **Expiration:** 30 seconds (short-lived by design)
   360→- **Auto-refresh:** Generate new token when <5s remain before expiry
   361→- **Payload:** `{ dataJwtId, clientName, exp, iat }`
   362→
   363→**Key File Locations:**
   364→
   365→- **Local development:** `getSecretsSqlClientApiKeysPath()` → `~/cwc/private/cwc-secrets/sql-client-api-keys/`
   366→- **Server deployment:** `./sql-client-api-keys/`
   367→
   368→## CORS Configuration - Express Middleware (CRITICAL)
   369→
   370→**CORS is handled exclusively by Express middleware, NOT nginx.**
   371→
   372→This is a deliberate architectural decision (session 045):
   373→
   374→- **Per-service method control:** Each service specifies `allowGet`, `allowPost`, `allowOptions`
   375→- **Environment-aware logic:** Different behavior for dev/test/prod built into middleware
   376→- **Integrated pattern:** Automatically applied via `createExpressService()`
   377→- **No duplication:** Single source of truth for CORS configuration
   378→
   379→**CRITICAL: nginx must NOT add CORS headers.** Duplicate CORS headers (from both nginx and Express) cause browsers to reject responses entirely.
   380→
   381→### Environment-Specific Behavior
   382→
   383→**Dev (`isDev: true`) / E2E (`isE2E: true`):**
   384→
   385→- Reflects request origin in Access-Control-Allow-Origin
   386→- Allows credentials
   387→- Wide open for local development
   388→
   389→**Test (`isTest: true`):**
   390→
   391→- Allows `devCorsOrigin` for localhost development against test services
   392→- Falls back to `corsOrigin` for other requests
   393→- Enables running local website (localhost:5173) against test backend services
   394→
   395→**Prod (`isProd: true`):**
   396→
   397→- Strict `corsOrigin` only
   398→- No dynamic origins
   399→
   400→### Configuration Values
   401→
   402→| Config Property | Purpose                        | Example                     |
   403→| --------------- | ------------------------------ | --------------------------- |
   404→| `corsOrigin`    | Allowed origin for test/prod   | `test.codingwithclaude.dev` |
   405→| `devCorsOrigin` | Localhost origin for local dev | `http://localhost:5173`     |
   406→
   407→**Note:** `devCorsOrigin` uses port 5173 (Vite/React Router), not 3000 (Next.js legacy).
   408→
   409→### Troubleshooting CORS Issues
   410→
   411→If experiencing CORS problems:
   412→
   413→1. **Check nginx templates** - Ensure CORS headers are NOT set in nginx (Express handles CORS)
   414→2. **Verify the API route exists** - Non-existent routes won't return proper OPTIONS response
   415→3. **Check `devCorsOrigin` port** - Must match your local dev server (5173 for Vite)
   416→4. **Check for duplicate headers** - Use browser dev tools Network tab to inspect response headers
   417→
   418→## Rate Limiting Configuration
   419→
   420→**Configurable via BackendUtilsConfig:**
   421→
   422→- `rateLimiterPoints` - Max requests per duration (default: 100)
   423→- `rateLimiterDuration` - Time window in seconds (default: 60)
   424→- Returns 429 status when exceeded
   425→- Memory-based rate limiting per IP
   426→
   427→## Path Helpers
   428→
   429→### expandTilde - Tilde Path Expansion
   430→
   431→**Location:** `src/configHelpers.ts`
   432→
   433→**CRITICAL:** Node.js `path.join()` does NOT expand `~` - it treats it as a literal character.
   434→
   435→```typescript
   436→// ❌ WRONG - creates literal "~" directory
   437→path.join('~/storage', 'file.txt'); // Returns: "~/storage/file.txt"
   438→
   439→// ✅ CORRECT - use expandTilde helper
   440→import { expandTilde } from 'cwc-backend-utils';
   441→expandTilde('~/storage'); // Returns: "/Users/username/storage"
   442→```
   443→
   444→**Usage:**
   445→
   446→```typescript
   447→import { expandTilde } from 'cwc-backend-utils';
   448→
   449→// In loadConfig.ts for paths that may contain ~
   450→storageVolumePath: expandTilde(requireEnv('STORAGE_VOLUME_PATH')),
   451→storageLogPath: expandTilde(optionalEnv('STORAGE_LOG_PATH', './logs')),
   452→```
   453→
   454→**When to use:**
   455→
   456→- Any config value that represents a file/directory path
   457→- Paths read from .env files that may contain `~`
   458→- Local development paths (e.g., `~/dev-cwc-storage`)
   459→
   460→**When NOT needed:**
   461→
   462→- Container paths (e.g., `/data/storage`) - no tilde to expand
   463→- Relative paths (e.g., `./logs`) - no tilde
   464→
   465→## Local Secrets Path Functions
   466→
   467→**Location:** `src/localSecretsPaths.ts`
   468→
   469→Centralized path functions for local development secrets using `os.homedir()`.
   470→
   471→**Path Resolution:**
   472→
   473→- Local (dev/unit/e2e): Uses absolute paths via `os.homedir()` → `~/cwc/private/cwc-secrets`
   474→- Server (test/prod): Uses relative paths from deployment directory (e.g., `./sql-client-api-keys`)
   475→
   476→**Functions:**
   477→
   478→| Function                                              | Returns (local)                  | Returns (server)         |
   479→| ----------------------------------------------------- | -------------------------------- | ------------------------ |
   480→| `getSecretsPath()`                                    | `~/cwc/private/cwc-secrets`      | N/A (local only)         |
   481→| `getSecretsEnvPath()`                                 | `{base}/env`                     | N/A (local only)         |
   482→| `getSecretsSqlClientApiKeysPath(runningLocally)`      | `{base}/sql-client-api-keys`     | `./sql-client-api-keys`  |
   483→| `getSecretsConfigHelperPath(runningLocally)`          | `{base}/configuration-helper`    | `./configuration-helper` |
   484→| `getSecretsDeploymentPath(runningLocally)`            | `{base}/deployment`              | `./deployment`           |
   485→| `getSecretsEnvFilePath(runningLocally, env, service)` | `{base}/env/{env}.{service}.env` | `.env.{env}`             |
   486→
   487→**Usage:**
   488→
   489→```typescript
   490→import { getSecretsEnvFilePath, getSecretsSqlClientApiKeysPath } from 'cwc-backend-utils';
   491→
   492→const runningLocally = config.isDev || config.isUnit || config.isE2E;
   493→
   494→// Get .env file path (encapsulates local vs server logic)
   495→const envPath = getSecretsEnvFilePath(runningLocally, 'dev', 'cwc-api');
   496→// Local: /Users/.../cwc/private/cwc-secrets/env/dev.cwc-api.env
   497→// Server: .env.dev
   498→
   499→// Get SQL keys path (encapsulates local vs server logic)
   500→const keysPath = getSecretsSqlClientApiKeysPath(runningLocally);
   501→// Local: /Users/.../cwc/private/cwc-secrets/sql-client-api-keys
   502→// Server: ./sql-client-api-keys
   503→```
   504→
   505→## Environment Loading - loadDotEnv
   506→
   507→**loadDotEnv Path Resolution:**
   508→
   509→**Local development (dev/unit/e2e):**
   510→
   511→- Uses `getSecretsEnvFilePath(environment, serviceName)`
   512→- Path: `~/cwc/private/cwc-secrets/env/{environment}.{serviceName}.env`
   513→
   514→**Server deployment (test/prod):**
   515→
   516→- Path: `.env.{environment}` relative to process.cwd()
   517→
   518→**CRITICAL:** Data path pattern MUST include service name to prevent conflicts:
   519→
   520→- Pattern: `{deploymentName}-{serviceName}/data`
   521→- Example: `test-cwc-database/data` vs `test-mariadb/data`
   522→
   523→## Logger Error Handling
   524→
   525→**Direct Database Write:**
   526→
   527→- Logger uses SqlClient internally to write to `errorLog` table
   528→- Automatically truncates fields to DB limits (error: 2000 chars, stack: 2000 chars)
   529→- Extracts message and stack from Error objects
   530→- JSON serializes objects automatically
   531→- Tags all logs with serviceName
   532→- **Debug mode only:** logInformation and logDebug output
   533→
   534→## Express Service Factory - Built-in Middleware
   535→
   536→**Automatically applies (in order):**
   537→
   538→1. Rate Limiter - Memory-based per IP
   539→2. Helmet - Security headers
   540→3. CORS - Environment-specific origins
   541→4. Invalid Routes - Blocks non-registered paths
   542→5. Error Handling - Captures and logs errors
   543→
   544→**Invalid Routes Protection:**
   545→
   546→- Rejects HTTP methods not in allowGet/allowPost/allowOptions
   547→- Rejects paths that don't start with registered API paths
   548→- Returns 400 status with "unsupported" message
   549→
   550→## Request Utilities
   551→
   552→**getRemoteIpAddress(req) resolution order:**
   553→
   554→1. `x-real-ip` header (set by nginx proxy)
   555→2. `origin` header hostname
   556→3. `req.ip` (strips `::ffff:` IPv6 prefix if present)
   557→
   558→## Critical Bugs to Avoid
   559→
   560→**Environment Variables:**
   561→
   562→- Use `process.env['VAR_NAME']` bracket notation (not dot notation)
   563→- Use `'dev'` not `'development'` (matches RuntimeEnvironment type)
   564→- Use `'prod'` not `'production'`
   565→
   566→**Type Safety:**
   567→
   568→- Extend Express.Request in global namespace, not express-serve-static-core
   569→
   570→## Configuration Types
   571→
   572→**BackendUtilsConfig:** Complete config with SqlClient/database features
   573→
   574→- Includes: `dataUri`, `logErrorsToDatabase`
   575→
   576→**BackendUtilsConfigBasic:** Simplified config without SqlClient
   577→
   578→- Omits: `dataUri`, `logErrorsToDatabase`
   579→- Use for services that don't need database access
   580→
   581→## Node.js Compatibility
   582→
   583→**Node.js-only package:**
   584→
   585→- ✅ CAN use Node.js APIs (fs, path, crypto, os, http, etc.)
   586→- ✅ CAN use Node.js-specific packages
   587→- ❌ NOT browser-compatible
   588→- Target: Node.js 22+
   589→
   590→## Adding New Utilities
   591→
   592→**Utilities that belong here:**
   593→
   594→- File system operations
   595→- Environment configuration helpers
   596→- Server-side hashing/crypto
   597→- Request/response formatting
   598→- Error handling utilities
   599→- Logging helpers
   600→- JWT utilities
   601→- API response builders
   602→- Node.js-specific validation
   603→
   604→**Utilities that DON'T belong here:**
   605→
   606→- Cross-platform utilities → Use `cwc-utils`
   607→- Type definitions → Use `cwc-types`
   608→- Schema definitions → Use `cwc-schema`
   609→- Database queries → Use `cwc-database` or `cwc-sql`
   610→
   611→## Related Packages
   612→
   613→**Consumed By:**
   614→
   615→- `cwc-api`, `cwc-auth`, `cwc-admin-api`, `cwc-sql` - All backend microservices
   616→- `cwc-content` - Content delivery service
   617→- `cwc-session-importer` - CLI for importing sessions (uses ApiClient, ContentClient)
   618→
   619→**Depends On:**
   620→
   621→- `cwc-types` (workspace) - Shared TypeScript types
   622→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "pattern": "debugLog",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils"
}

Found 1 file
packages/cwc-backend-utils/src/SqlClient/SqlClient.ts

{
  "pattern": "debugLog",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages",
  "output_mode": "files_with_matches"
}

Found 24 files
packages/cwc-website/src/utils/debugLog.ts
packages/cwc-website/src/server/sessionContent.ts
packages/cwc-storage/src/debugLog.ts
packages/cwc-storage/src/apis/StorageApiV1/index.ts
packages/cwc-storage/src/apis/FetchApiV1/index.ts
packages/cwc-storage/src/apis/FetchApiV1/handleFileGet.ts
packages/cwc-sql/src/handlers/commandHandler.ts
packages/cwc-sql/src/debugLog.ts
packages/cwc-sql/src/auth/verifyToken.ts
packages/cwc-content/src/policies/checkRouteAccess.ts
packages/cwc-content/src/index.ts
packages/cwc-content/src/context/createContext.ts
packages/cwc-content/src/apis/FetchApiV1/index.ts
packages/cwc-content/src/apis/FetchApiV1/handleFileGet.ts
packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts
packages/cwc-backend-utils/src/SqlClient/SqlClient.ts
packages/cwc-api/src/utils/index.ts
packages/cwc-content/src/utils/index.ts
packages/cwc-content/src/utils/debugLog.ts
packages/cwc-auth/src/utils/index.ts
packages/cwc-auth/src/utils/debugLog.ts
packages/cwc-api/src/utils/debugLog.ts
packages/cwc-api/src/handlers/RequestHandler.ts

{
  "pattern": "export.*debugLog|function debugLog|const debugLog",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages",
  "output_mode": "content"
}

packages/cwc-auth/src/utils/index.ts:3:export { debugLog } from './debugLog';
packages/cwc-auth/src/utils/debugLog.ts:13:export function debugLog(context: string, message: string, data?: unknown): void {
packages/cwc-sql/src/debugLog.ts:13:export function debugLog(context: string, message: string, data?: unknown): void {
packages/cwc-website/src/utils/debugLog.ts:13:export function debugLog(context: string, message: string, data?: unknown): void {
packages/cwc-storage/src/debugLog.ts:13:export function debugLog(context: string, message: string, data?: unknown): void {
packages/cwc-content/src/utils/index.ts:3:export { debugLog } from './debugLog';
packages/cwc-content/src/utils/debugLog.ts:13:export function debugLog(context: string, message: string, data?: unknown): void {
packages/cwc-api/src/utils/index.ts:3:export { debugLog } from './debugLog';
packages/cwc-api/src/utils/debugLog.ts:13:export function debugLog(context: string, message: string, data?: unknown): void {

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/utils/debugLog.ts"
}

     1→'use strict';
     2→
     3→import { loadConfig } from '../config';
     4→
     5→/**
     6→ * Debug logging utility for cwc-content
     7→ * Only outputs when config.debugMode is enabled
     8→ *
     9→ * @param context - Component/function name (e.g., 'createContext', 'ContentHandler')
    10→ * @param message - Log message
    11→ * @param data - Optional data to log
    12→ */
    13→export function debugLog(context: string, message: string, data?: unknown): void {
    14→  const config = loadConfig();
    15→  if (!config.debugMode) return;
    16→
    17→  const prefix = `[cwc-content:${context}]`;
    18→  if (data !== undefined) {
    19→    console.log(prefix, message, data);
    20→  } else {
    21→    console.log(prefix, message);
    22→  }
    23→}
    24→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/CLAUDE.md",
  "offset": 1,
  "limit": 100
}

     1→# CLAUDE.md
     2→
     3→This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
     4→
     5→---
     6→
     7→## CRITICAL: Role and Professional Standards
     8→
     9→**Claude Code's role on this project is to serve as a "highly experienced senior software engineer and application architect" with "in-depth understanding of the CWC codebase, conventions, and rules."**
    10→
    11→It is assumed, and imperative, that as a senior engineer, you will do your due diligence:
    12→
    13→### Required Due Diligence for Every Task
    14→
    15→**Before proposing any design, architecture, or implementation:**
    16→
    17→1. **Read all relevant package CLAUDE.md files**
    18→   - If touching database → read `packages/cwc-database/CLAUDE.md`
    19→   - If defining/modifying types → read `packages/cwc-types/CLAUDE.md`
    20→   - If working with any package → read that package's CLAUDE.md file
    21→   - Package-specific conventions MUST be followed
    22→
    23→2. **Examine existing code in all affected packages**
    24→   - Check for existing types, schemas, or utilities before proposing new ones
    25→   - Understand established patterns and conventions
    26→   - Identify dependencies between packages
    27→
    28→3. **Understand the full scope**
    29→   - Identify all packages affected by the feature or change
    30→   - Consider both direct changes and indirect impacts (shared types, utilities, etc.)
    31→   - Plan across package boundaries, not in isolation
    32→
    33→4. **If the package needs .env configuration → integrate with cwc-configuration-helper**
    34→   - Read `packages/cwc-configuration-helper/CLAUDE.md` and `configuration.ts`
    35→   - Check `RuntimeConfigValues` for existing config values to reuse
    36→   - Use standard naming conventions (see "Configuration Value Naming Conventions")
    37→   - NEVER create manual sample.env files
    38→   - Determine what belongs in config vs CLI arguments
    39→
    40→### Cross-Package Feature Planning
    41→
    42→When working on features that span multiple packages:
    43→
    44→1. **Discovery phase first** - Survey the landscape before designing
    45→2. **Read documentation** - All relevant package CLAUDE.md files
    46→3. **Examine existing implementations** - Check for related code/patterns
    47→4. **Design within constraints** - Follow established conventions
    48→5. **Present context with design** - Show what you reviewed and how your design follows patterns
    49→
    50→**This is not optional.** The developer should not have to repeatedly point out missed conventions or overlooked existing code. Professional engineers build on institutional knowledge rather than reinventing or contradicting established patterns.
    51→
    52→### CRITICAL: Refactoring Discipline
    53→
    54→**When refactoring code, preserve original behavior exactly.** This is a fundamental software engineering principle:
    55→
    56→1. **Commented-out code stays commented out** - If code was commented out in the original, keep it commented in the refactored version. Do not inadvertently "resurrect" disabled functionality.
    57→
    58→2. **Preserve behavior not explicitly discussed** - When refactoring or restructuring code, any behavior that was not explicitly discussed as changing should be preserved exactly. Only modify what was specifically requested.
    59→
    60→3. **Configuration and infrastructure changes require extra care** - When modifying nginx configs, deployment scripts, or other infrastructure code, verify that all existing functionality is preserved. Missing a server block or location directive can break production.
    61→
    62→4. **Review before and after** - Before completing a refactor, compare the original and new versions to ensure nothing was lost or inadvertently added.
    63→
    64→5. **When in doubt, keep it** - If you're unsure whether something is needed, preserve it. It's safer to keep unused code than to accidentally remove required functionality.
    65→
    66→**This applies to all code changes, not just explicit refactoring tasks.** Even when adding new features or fixing bugs, ensure existing functionality remains intact.
    67→
    68→---
    69→
    70→## Package-Specific Documentation
    71→
    72→**Claude Code automatically loads all CLAUDE.md files recursively.** When working in a specific package or on package-specific tasks, refer to these package documentation files for detailed guidance:
    73→
    74→- **cwc-types** → `packages/cwc-types/CLAUDE.md`
    75→  - Type generation from database schema
    76→  - Entity type patterns (Strict Base + Partial<T>)
    77→  - Union type naming conventions
    78→  - Request-scoped caching patterns
    79→
    80→- **cwc-database** → `packages/cwc-database/CLAUDE.md`
    81→  - Database schema conventions
    82→  - Table/index/view naming patterns
    83→  - Migration script patterns
    84→  - Database design patterns (JWT tables, multi-step processes, etc.)
    85→
    86→- **cwc-deployment** → `packages/cwc-deployment/CLAUDE.md`
    87→  - Isolated deployment CLI (database, services, nginx, website, dashboard)
    88→  - SSH-based deployment to remote servers
    89→  - Docker Compose per deployment target
    90→  - External network architecture (`{env}-cwc-network`)
    91→
    92→- **cwc-schema** → `packages/cwc-schema/CLAUDE.md`
    93→  - Schema definition patterns
    94→  - Runtime validation functions
    95→  - Hybrid validation with Zod
    96→  - Column type definitions
    97→
    98→- **cwc-utils** → `packages/cwc-utils/CLAUDE.md`
    99→  - Shared utilities (browser + Node.js)
   100→  - Profanity checking and content filtering

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "pattern": "^## Development Process",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/CLAUDE.md",
  "output_mode": "content",
  "-n": true
}

929:## Development Process

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  "offset": 929,
  "limit": 100
}

   929→## Development Process
   930→
   931→### Tool, Framework, Version selection
   932→
   933→- mainstream, widely accepted, and thoroughly tested & proven tools only
   934→- the desire is to use the latest stable versions of the various tools
   935→
   936→### Adopt a "roll-your-own" mentality
   937→
   938→- we want to minimize the number of unnecessary dependencies to avoid headaches when upgrading our core tech stack
   939→- when it makes sense, we will build our own components and utilities rather than relying on a 3rd party package
   940→
   941→### Code Review Workflow Patterns
   942→
   943→**CRITICAL: When the developer provides comprehensive code review feedback and requests step-by-step discussion.**
   944→
   945→#### Developer Should Continue Providing Comprehensive Feedback Lists
   946→
   947→**Encourage the developer to provide ALL feedback items in a single comprehensive list.** This is highly valuable because:
   948→
   949→- Gives full context about scope of changes
   950→- Allows identification of dependencies between issues
   951→- Helps spot patterns across multiple points
   952→- More efficient than addressing issues one at a time
   953→
   954→**Never discourage comprehensive feedback.** The issue is not the list size, but how Claude Code presents the response.
   955→
   956→#### Recognize Step-by-Step Request Signals
   957→
   958→When the developer says any of these phrases:
   959→
   960→- "review each of these in order step by step"
   961→- "discuss each point one by one"
   962→- "let's go through these one at a time"
   963→- "walk me through each item"
   964→
   965→**This is a request for ITERATIVE discussion, not a comprehensive dump of all analysis.**
   966→
   967→#### Step-by-Step Review Pattern (Default for Code Reviews)
   968→
   969→When developer provides comprehensive feedback with step-by-step request:
   970→
   971→**✅ Correct approach:**
   972→
   973→1. **Present ONLY Point 1** with:
   974→   - The developer's original feedback for that point
   975→   - Claude's analysis and thoughts
   976→   - Any clarifying questions needed
   977→   - Recommendation for what to do
   978→
   979→2. **Wait for developer response** and engage in discussion if needed
   980→
   981→3. **After Point 1 is resolved**, present Point 2 using same format
   982→
   983→4. **Continue iteratively** through all points
   984→
   985→5. **After all points discussed**, ask "Ready to implement?" and show summary of agreed changes
   986→
   987→**Message format for each point:**
   988→
   989→```markdown
   990→## Point N: [Topic Name]
   991→
   992→**Your Feedback:**
   993→[Quote the developer's original feedback for this point]
   994→
   995→**My Analysis:**
   996→[Thoughts on this specific point only]
   997→
   998→**Questions:** [If clarification needed]
   999→
  1000→- Question 1?
  1001→- Question 2?
  1002→
  1003→**Recommendation:**
  1004→[What Claude thinks should be done]
  1005→
  1006→---
  1007→
  1008→_Waiting for your thoughts on Point N before moving to Point N+1._
  1009→```
  1010→
  1011→**❌ What NOT to do:**
  1012→
  1013→- Present all 10-15 points with full analysis at once
  1014→- Make the developer reference "Point 7" or scroll to find what they want to discuss
  1015→- Skip the iterative conversation pattern when explicitly requested
  1016→
  1017→#### Alternative: Full Analysis First Pattern
  1018→
  1019→**Only use this pattern when developer explicitly requests it:**
  1020→
  1021→Developer says:
  1022→
  1023→- "Give me your analysis on all points first"
  1024→- "Show me all your recommendations, then we'll discuss"
  1025→- "I want to see the big picture before deciding"
  1026→
  1027→In this case:
  1028→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/CLAUDE.md",
  "offset": 1028,
  "limit": 50
}

  1028→
  1029→1. Present comprehensive analysis of all points
  1030→2. Wait for developer to identify which points need discussion
  1031→3. Focus conversation only on points developer has questions about
  1032→
  1033→#### Benefits of Step-by-Step Pattern
  1034→
  1035→- **Easy to follow:** Each message is focused on one decision
  1036→- **Encourages discussion:** Natural to discuss one topic at a time
  1037→- **No reference confusion:** No need to say "regarding Point 7..."
  1038→- **Clear progress:** Both parties know exactly where we are in the review
  1039→- **Better decisions:** Focused attention leads to better analysis
  1040→
  1041→#### Implementation Phase
  1042→
  1043→After all review points are discussed and decisions made:
  1044→
  1045→1. **Summarize all agreed changes** in a checklist format
  1046→2. **Ask for explicit approval** to proceed: "Ready to implement these changes?"
  1047→3. **Proceed with implementation** in logical groups
  1048→4. **Update documentation** if patterns/learnings emerged during review
  1049→
  1050→**Session 010 Learning:** This pattern was established after Claude Code incorrectly presented all 14 review points at once despite clear request for step-by-step discussion. This made it difficult for the developer to engage in focused discussion on individual points.
  1051→
  1052→- never log config.secrets, these values are always REDACTED
  1053→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

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      "content": "Add debugLog best practices to CLAUDE.md",
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      "content": "Review PR #51 and produce a report",
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    {
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      "status": "pending",
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    {
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      "status": "pending",
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Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/CLAUDE.md",
  "old_string": "- never log config.secrets, these values are always REDACTED",
  "new_string": "### debugLog Best Practices (CRITICAL)\n\n**A thorough & permanent `debugLog` implementation is critical for troubleshooting.** Adding debug statements only when troubleshooting is counter-productive - you end up re-familiarizing yourself with all the code and finding the places involved in the issue. Then removing them after means repeating that process every time an issue comes up.\n\n**What to log:**\n\n- Arguments passed to a function\n- Values received from a function call\n- Inside if blocks/condition checks that lead to access-denied, failure, or significant code paths\n- Errors in try-catch blocks - log immediately in the function where the error occurred\n\n**What NOT to log (no debugging value):**\n\n- ❌ `Processing command with ${command.operations.length} operations`\n- ❌ `Transaction: ${command.transaction}`\n- ❌ `Command completed in ${executionTime}ms`\n\n**Formatting best practices:**\n\n- Use object notation and `JSON.stringify()` for large objects/arrays so we can see the actual contents\n- Avoid logging Express request/response objects (they're huge and mostly useless)\n- NEVER attempt to log Express request/response to the database - this usually crashes the service\n- Never log `config.secrets` - these values are always REDACTED\n\n**Pattern:**\n\n```typescript\ndebugLog('functionName', 'description', { key: value, anotherKey: JSON.stringify(largeArray) });\n```"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/CLAUDE.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
  1048→4. **Update documentation** if patterns/learnings emerged during review
  1049→
  1050→**Session 010 Learning:** This pattern was established after Claude Code incorrectly presented all 14 review points at once despite clear request for step-by-step discussion. This made it difficult for the developer to engage in focused discussion on individual points.
  1051→
  1052→### debugLog Best Practices (CRITICAL)
  1053→
  1054→**A thorough & permanent `debugLog` implementation is critical for troubleshooting.** Adding debug statements only when troubleshooting is counter-productive - you end up re-familiarizing yourself with all the code and finding the places involved in the issue. Then removing them after means repeating that process every time an issue comes up.
  1055→
  1056→**What to log:**
  1057→
  1058→- Arguments passed to a function
  1059→- Values received from a function call
  1060→- Inside if blocks/condition checks that lead to access-denied, failure, or significant code paths
  1061→- Errors in try-catch blocks - log immediately in the function where the error occurred
  1062→
  1063→**What NOT to log (no debugging value):**
  1064→
  1065→- ❌ `Processing command with ${command.operations.length} operations`
  1066→- ❌ `Transaction: ${command.transaction}`
  1067→- ❌ `Command completed in ${executionTime}ms`
  1068→
  1069→**Formatting best practices:**
  1070→
  1071→- Use object notation and `JSON.stringify()` for large objects/arrays so we can see the actual contents
  1072→- Avoid logging Express request/response objects (they're huge and mostly useless)
  1073→- NEVER attempt to log Express request/response to the database - this usually crashes the service
  1074→- Never log `config.secrets` - these values are always REDACTED
  1075→
  1076→**Pattern:**
  1077→
  1078→```typescript
  1079→debugLog('functionName', 'description', { key: value, anotherKey: JSON.stringify(largeArray) });
  1080→```
  1081→

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      "content": "Plan: Add CONTENT_CACHE_ENABLED config toggle",
      "status": "pending",
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      "content": "Plan: Investigate QUERY_CACHE_ENABLED in cwc-sql",
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Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "pattern": "VALID_CLIENT_NAMES",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages",
  "output_mode": "content",
  "-n": true
}

packages/cwc-sql/src/auth/verifyToken.ts:20:const VALID_CLIENT_NAMES = ['cwc-api', 'cwc-auth', 'cwc-admin-api', 'cwc-content'] as const;
packages/cwc-sql/src/auth/verifyToken.ts:132:      if (!VALID_CLIENT_NAMES.includes(payload.clientName as (typeof VALID_CLIENT_NAMES)[number])) {
packages/cwc-sql/src/auth/verifyToken.ts:135:          `Invalid token: clientName must be one of: ${VALID_CLIENT_NAMES.join(', ')}`
packages/cwc-sql/src/auth/verifyToken.ts:139:          error: `Invalid token: clientName must be one of: ${VALID_CLIENT_NAMES.join(', ')}`,

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/CLAUDE.md",
  "offset": 350,
  "limit": 50
}

   350→
   351→- `apiClient.getJwt()` - Get current JWT (may have been renewed)
   352→- `contentClient.setJwt(jwt)` - Update JWT for subsequent requests
   353→
   354→## JWT Authentication - CRITICAL Security Rules
   355→
   356→**Token Specifications:**
   357→
   358→- **Algorithm:** RS256 (RSA public/private key pairs)
   359→- **Expiration:** 30 seconds (short-lived by design)
   360→- **Auto-refresh:** Generate new token when <5s remain before expiry
   361→- **Payload:** `{ dataJwtId, clientName, exp, iat }`
   362→
   363→**Key File Locations:**
   364→
   365→- **Local development:** `getSecretsSqlClientApiKeysPath()` → `~/cwc/private/cwc-secrets/sql-client-api-keys/`
   366→- **Server deployment:** `./sql-client-api-keys/`
   367→
   368→## CORS Configuration - Express Middleware (CRITICAL)
   369→
   370→**CORS is handled exclusively by Express middleware, NOT nginx.**
   371→
   372→This is a deliberate architectural decision (session 045):
   373→
   374→- **Per-service method control:** Each service specifies `allowGet`, `allowPost`, `allowOptions`
   375→- **Environment-aware logic:** Different behavior for dev/test/prod built into middleware
   376→- **Integrated pattern:** Automatically applied via `createExpressService()`
   377→- **No duplication:** Single source of truth for CORS configuration
   378→
   379→**CRITICAL: nginx must NOT add CORS headers.** Duplicate CORS headers (from both nginx and Express) cause browsers to reject responses entirely.
   380→
   381→### Environment-Specific Behavior
   382→
   383→**Dev (`isDev: true`) / E2E (`isE2E: true`):**
   384→
   385→- Reflects request origin in Access-Control-Allow-Origin
   386→- Allows credentials
   387→- Wide open for local development
   388→
   389→**Test (`isTest: true`):**
   390→
   391→- Allows `devCorsOrigin` for localhost development against test services
   392→- Falls back to `corsOrigin` for other requests
   393→- Enables running local website (localhost:5173) against test backend services
   394→
   395→**Prod (`isProd: true`):**
   396→
   397→- Strict `corsOrigin` only
   398→- No dynamic origins
   399→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/CLAUDE.md",
  "old_string": "- `apiClient.getJwt()` - Get current JWT (may have been renewed)\n- `contentClient.setJwt(jwt)` - Update JWT for subsequent requests\n\n## JWT Authentication - CRITICAL Security Rules",
  "new_string": "- `apiClient.getJwt()` - Get current JWT (may have been renewed)\n- `contentClient.setJwt(jwt)` - Update JWT for subsequent requests\n\n## SqlClient Usage Rules (CRITICAL)\n\n**VALID_CLIENT_NAMES Registration:**\n\nAny package using SqlClient MUST be registered in `VALID_CLIENT_NAMES` array in `packages/cwc-sql/src/auth/verifyToken.ts`. Current valid clients:\n\n- `cwc-api`\n- `cwc-auth`\n- `cwc-admin-api`\n- `cwc-content`\n\nIf you create a new service that uses SqlClient, add it to this list.\n\n**Schema Validation:**\n\nWhen writing SqlClient queries (selectCommand, insertCommand, updateCommand, deleteCommand), ALWAYS validate entity and column names against `cwc-schema`:\n\n- ✅ Check that the entity name exists in cwc-schema\n- ✅ Check that column names in `columns`, `where`, `orderBy` exist for that entity\n- ✅ Check that data keys in `insertCommand`/`updateCommand` match actual column names\n\nThis prevents runtime errors from typos or non-existent columns that are hard to debug.\n\n## JWT Authentication - CRITICAL Security Rules"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/CLAUDE.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   347→**Why this matters:** When cwc-api renews a session, it deletes the old JWT from the database (SESSION_REVOKED). If ContentClient still has the old JWT, cwc-auth will reject it as revoked.
   348→
   349→**Available methods:**
   350→
   351→- `apiClient.getJwt()` - Get current JWT (may have been renewed)
   352→- `contentClient.setJwt(jwt)` - Update JWT for subsequent requests
   353→
   354→## SqlClient Usage Rules (CRITICAL)
   355→
   356→**VALID_CLIENT_NAMES Registration:**
   357→
   358→Any package using SqlClient MUST be registered in `VALID_CLIENT_NAMES` array in `packages/cwc-sql/src/auth/verifyToken.ts`. Current valid clients:
   359→
   360→- `cwc-api`
   361→- `cwc-auth`
   362→- `cwc-admin-api`
   363→- `cwc-content`
   364→
   365→If you create a new service that uses SqlClient, add it to this list.
   366→
   367→**Schema Validation:**
   368→
   369→When writing SqlClient queries (selectCommand, insertCommand, updateCommand, deleteCommand), ALWAYS validate entity and column names against `cwc-schema`:
   370→
   371→- ✅ Check that the entity name exists in cwc-schema
   372→- ✅ Check that column names in `columns`, `where`, `orderBy` exist for that entity
   373→- ✅ Check that data keys in `insertCommand`/`updateCommand` match actual column names
   374→
   375→This prevents runtime errors from typos or non-existent columns that are hard to debug.
   376→
   377→## JWT Authentication - CRITICAL Security Rules
   378→
   379→**Token Specifications:**
   380→
   381→- **Algorithm:** RS256 (RSA public/private key pairs)

{
  "todos": [
    {
      "content": "Add debugLog best practices to CLAUDE.md",
      "status": "completed",
      "activeForm": "Adding debugLog best practices to CLAUDE.md"
    },
    {
      "content": "Review PR #51 and produce a report",
      "status": "in_progress",
      "activeForm": "Reviewing PR #51"
    },
    {
      "content": "Add tech debt items for SqlClient typing and cwc-types/cwc-schema merge",
      "status": "pending",
      "activeForm": "Adding tech debt items"
    },
    {
      "content": "Plan: SqlClient schema validation",
      "status": "pending",
      "activeForm": "Planning SqlClient schema validation"
    },
    {
      "content": "Plan: Add CONTENT_CACHE_ENABLED config toggle",
      "status": "pending",
      "activeForm": "Planning cache toggle config"
    },
    {
      "content": "Plan: Investigate QUERY_CACHE_ENABLED in cwc-sql",
      "status": "pending",
      "activeForm": "Planning query cache investigation"
    },
    {
      "content": "Plan: Identify other services with caching",
      "status": "pending",
      "activeForm": "Planning caching audit"
    },
    {
      "content": "Plan: Add debug logging to cwc-content",
      "status": "pending",
      "activeForm": "Planning cwc-content debug logging"
    },
    {
      "content": "Plan: Add debug logging to cwc-sql",
      "status": "pending",
      "activeForm": "Planning cwc-sql debug logging"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "command": "gh pr view 51 --json title,body,state,mergedAt,commits,files,additions,deletions,author",
  "description": "Get PR #51 details"
}

{
  "command": "git log --oneline -20",
  "description": "Show recent commits"
}

11f8066 Merge pull request #51 from jeffreybazinet/troubleshooting-coding-session-images
aa6c9ef coding-session images are rendering on the web page
ccb855a Merge pull request #50 from jeffreybazinet/session-047-website-improvements-continued
95dd6b7 add SqlClient to cwc-content for security improvements
a5e6931 implement cwc-content fetch access policy
57b9209 add FetchApiV1 to cwc-content and cwc-storage for public images
5072cbe ImageContent component fix
6c93c90 improvements to coding-session import, ConversationViewer fixes
3d0bc3f add images to cwc-session-parser
5ef25e4 reduce font-size in PlainTextViewer
3482c90 Coding Session Content Pagination fixes
3a7c35f Merge pull request #49 from jeffreybazinet/documentation-minor-fixes
c0f1469 project structure doc, fix dev website port number
164dfcb Merge pull request #48 from jeffreybazinet/session-046-documents-folder
3cfd133 restore old checklist documents
2d7403f moved files into documents folder
26440cb Merge pull request #47 from jeffreybazinet/session-045-website-improvements
592ecd6 remove cors from nginx
e5d98e1 simplify website urls
86f0c1f create unit tests for client pages

{
  "command": "git show aa6c9ef --stat",
  "description": "Show PR #51 commit stats"
}

commit aa6c9efb87d07ee7c1fda4291f394c49a30f7e48
Author: Jeff Bazinet <jeff@jeffbazinet.com>
Date:   Wed Jan 7 16:07:17 2026 -0800

    coding-session images are rendering on the web page

 packages/cwc-api/src/apis/CwcApiV1/index.ts        |   1 -
 packages/cwc-auth/src/apis/LogonApiV1/index.ts     |   6 +-
 packages/cwc-auth/src/apis/ServiceApiV1/index.ts   |   6 +-
 packages/cwc-backend-utils/CLAUDE.md               |  30 ++-
 .../src/ContentClient/ContentClient.ts             |  13 +-
 .../cwc-backend-utils/src/SqlClient/SqlClient.ts   |  26 +-
 .../src/StorageClient/StorageClient.ts             |  18 +-
 packages/cwc-backend-utils/src/express/cors.ts     |  66 ++++-
 packages/cwc-backend-utils/src/getErrorInfo.ts     |  60 +++++
 packages/cwc-backend-utils/src/index.ts            |   1 +
 .../cwc-configuration-helper/src/configuration.ts  |  10 +-
 packages/cwc-content/CLAUDE.md                     |   3 +-
 packages/cwc-content/package.json                  |   1 +
 .../src/__tests__/handlers/ContentHandler.test.ts  |   8 +-
 .../src/__tests__/handlers/responseUtils.test.ts   |   2 +-
 .../src/__tests__/mocks/storageClient.mock.ts      |  18 +-
 .../src/apis/ContentApiV1/ContentApiV1.ts          | 126 ++++++++++
 .../src/apis/ContentApiV1/ContentHandler.ts        | 277 +++++++++++++++++++++
 .../ContentApiV1}/RequestHandler.ts                |  31 ++-
 .../cwc-content/src/apis/ContentApiV1/index.ts     | 128 +---------
 .../cwc-content/src/apis/ContentApiV1/routes.ts    |   6 +-
 .../src/apis/FetchApiV1/handleFileGet.ts           |  52 ++--
 packages/cwc-content/src/apis/FetchApiV1/index.ts  |  31 ++-
 packages/cwc-content/src/context/createContext.ts  |   7 +-
 packages/cwc-content/src/context/index.ts          |   2 +-
 .../cwc-content/src/handlers/ContentHandler.ts     | 229 -----------------
 packages/cwc-content/src/handlers/index.ts         |   6 -
 packages/cwc-content/src/index.ts                  |   7 +-
 .../cwc-content/src/policies/checkRouteAccess.ts   |  31 ++-
 .../src/{context => types}/context.types.ts        |   0
 .../src/{handlers => types}/handler.types.ts       |   3 +-
 .../src/{handlers => utils}/responseUtils.ts       |   2 +-
 packages/cwc-deployment/src/services/build.ts      |  27 +-
 .../src/services/ImageProcessor.ts                 | 225 ++++++++++++-----
 packages/cwc-sql/src/auth/verifyToken.ts           |  27 +-
 packages/cwc-sql/src/debugLog.ts                   |  23 ++
 packages/cwc-sql/src/handlers/commandHandler.ts    |  76 +++---
 packages/cwc-storage/CLAUDE.md                     |  20 +-
 .../src/apis/FetchApiV1/handleFileGet.ts           |  48 ++--
 packages/cwc-storage/src/apis/FetchApiV1/index.ts  |  17 +-
 .../cwc-storage/src/apis/StorageApiV1/index.ts     |  54 ++--
 .../StorageApiV1/storageFunctions/putInStorage.ts  |  13 +-
 packages/cwc-storage/src/debugLog.ts               |  23 ++
 packages/cwc-types/src/index.ts                    |   3 +
 packages/cwc-types/src/sessionData.types.ts        |   4 +-
 packages/cwc-types/src/storage.types.ts            |   1 +
 packages/cwc-website/src/server/sessionContent.ts  |  41 ++-
 packages/cwc-website/src/utils/debugLog.ts         |  23 ++
 .../CodingSession/conversation/ImageContent.tsx    |  12 +-
 pnpm-lock.yaml                                     |   3 +
 scripts/coding-session-batch-import.sh             |  15 +-
 scripts/consolidate-transcripts.sh                 |   3 +
 52 files changed, 1174 insertions(+), 691 deletions(-)

{
  "command": "git show aa6c9ef --name-only",
  "description": "List files changed in PR #51"
}

commit aa6c9efb87d07ee7c1fda4291f394c49a30f7e48
Author: Jeff Bazinet <jeff@jeffbazinet.com>
Date:   Wed Jan 7 16:07:17 2026 -0800

    coding-session images are rendering on the web page

packages/cwc-api/src/apis/CwcApiV1/index.ts
packages/cwc-auth/src/apis/LogonApiV1/index.ts
packages/cwc-auth/src/apis/ServiceApiV1/index.ts
packages/cwc-backend-utils/CLAUDE.md
packages/cwc-backend-utils/src/ContentClient/ContentClient.ts
packages/cwc-backend-utils/src/SqlClient/SqlClient.ts
packages/cwc-backend-utils/src/StorageClient/StorageClient.ts
packages/cwc-backend-utils/src/express/cors.ts
packages/cwc-backend-utils/src/getErrorInfo.ts
packages/cwc-backend-utils/src/index.ts
packages/cwc-configuration-helper/src/configuration.ts
packages/cwc-content/CLAUDE.md
packages/cwc-content/package.json
packages/cwc-content/src/__tests__/handlers/ContentHandler.test.ts
packages/cwc-content/src/__tests__/handlers/responseUtils.test.ts
packages/cwc-content/src/__tests__/mocks/storageClient.mock.ts
packages/cwc-content/src/apis/ContentApiV1/ContentApiV1.ts
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts
packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts
packages/cwc-content/src/apis/ContentApiV1/index.ts
packages/cwc-content/src/apis/ContentApiV1/routes.ts
packages/cwc-content/src/apis/FetchApiV1/handleFileGet.ts
packages/cwc-content/src/apis/FetchApiV1/index.ts
packages/cwc-content/src/context/createContext.ts
packages/cwc-content/src/context/index.ts
packages/cwc-content/src/handlers/ContentHandler.ts
packages/cwc-content/src/handlers/index.ts
packages/cwc-content/src/index.ts
packages/cwc-content/src/policies/checkRouteAccess.ts
packages/cwc-content/src/types/context.types.ts
packages/cwc-content/src/types/handler.types.ts
packages/cwc-content/src/utils/responseUtils.ts
packages/cwc-deployment/src/services/build.ts
packages/cwc-session-importer/src/services/ImageProcessor.ts
packages/cwc-sql/src/auth/verifyToken.ts
packages/cwc-sql/src/debugLog.ts
packages/cwc-sql/src/handlers/commandHandler.ts
packages/cwc-storage/CLAUDE.md
packages/cwc-storage/src/apis/FetchApiV1/handleFileGet.ts
packages/cwc-storage/src/apis/FetchApiV1/index.ts
packages/cwc-storage/src/apis/StorageApiV1/index.ts
packages/cwc-storage/src/apis/StorageApiV1/storageFunctions/putInStorage.ts
packages/cwc-storage/src/debugLog.ts
packages/cwc-types/src/index.ts
packages/cwc-types/src/sessionData.types.ts
packages/cwc-types/src/storage.types.ts
packages/cwc-website/src/server/sessionContent.ts
packages/cwc-website/src/utils/debugLog.ts
packages/cwc-website/src/views/server/CodingSession/conversation/ImageContent.tsx
pnpm-lock.yaml
scripts/coding-session-batch-import.sh
scripts/consolidate-transcripts.sh

{
  "command": "git show aa6c9ef --no-stat -- packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts | head -100",
  "description": "View new ContentHandler.ts"
}

fatal: unrecognized argument: --no-stat

{
  "command": "git show aa6c9ef --no-stat -- packages/cwc-sql/src/handlers/commandHandler.ts | head -80",
  "description": "View commandHandler changes"
}

fatal: unrecognized argument: --no-stat

{
  "command": "git show aa6c9ef --no-stat -- packages/cwc-backend-utils/src/getErrorInfo.ts",
  "description": "View new getErrorInfo utility"
}

{
  "command": "git show aa6c9ef -- packages/cwc-backend-utils/src/getErrorInfo.ts",
  "description": "View new getErrorInfo utility"
}

commit aa6c9efb87d07ee7c1fda4291f394c49a30f7e48
Author: Jeff Bazinet <jeff@jeffbazinet.com>
Date:   Wed Jan 7 16:07:17 2026 -0800

    coding-session images are rendering on the web page

diff --git a/packages/cwc-backend-utils/src/getErrorInfo.ts b/packages/cwc-backend-utils/src/getErrorInfo.ts
new file mode 100644
index 0000000..ac9f157
--- /dev/null
+++ b/packages/cwc-backend-utils/src/getErrorInfo.ts
@@ -0,0 +1,60 @@
+export type ErrorInfo = {
+  errorMessage: string;
+  code: string;
+  config?:
+    | undefined
+    | {
+        method?: string | undefined;
+        url?: string | undefined;
+        data?: string | undefined;
+      };
+  request?:
+    | undefined
+    | {
+        method?: string | undefined;
+        path?: string | undefined;
+        host?: string | undefined;
+        protocol?: string | undefined;
+      };
+  response?:
+    | undefined
+    | {
+        status?: number | undefined;
+        statusText?: string | undefined;
+        data?: unknown | undefined;
+      };
+};
+
+export const getErrorInfo = (error: any): ErrorInfo | undefined => {
+  let customError: ErrorInfo | undefined = undefined;
+
+  if (!error) {
+    return;
+  }
+
+  customError = {
+    errorMessage: error?.message || 'unknown error',
+    code: error?.code || 'unknown',
+  };
+
+  if ('request' in error) {
+    const req = error.request;
+    customError.request = {
+      ...(req.method ? { method: req.method } : {}),
+      ...(req.path ? { path: req.path } : {}),
+      ...(req.host ? { host: req.host } : {}),
+      ...(req.protocol ? { protocol: req.protocol } : {}),
+    };
+  }
+
+  if ('response' in error) {
+    const res = error.response;
+    customError.response = {
+      ...(res.status ? { status: res.status } : {}),
+      ...(res.statusText ? { statusText: res.statusText } : {}),
+      ...(res.data ? { data: res.data } : {}),
+    };
+  }
+
+  return customError;
+};

{
  "command": "git show aa6c9ef -- packages/cwc-sql/src/debugLog.ts",
  "description": "View new debugLog for cwc-sql"
}

commit aa6c9efb87d07ee7c1fda4291f394c49a30f7e48
Author: Jeff Bazinet <jeff@jeffbazinet.com>
Date:   Wed Jan 7 16:07:17 2026 -0800

    coding-session images are rendering on the web page

diff --git a/packages/cwc-sql/src/debugLog.ts b/packages/cwc-sql/src/debugLog.ts
new file mode 100644
index 0000000..ecbe8df
--- /dev/null
+++ b/packages/cwc-sql/src/debugLog.ts
@@ -0,0 +1,23 @@
+'use strict';
+
+import { loadConfig } from './config';
+
+/**
+ * Debug logging utility for cwc-sql
+ * Only outputs when config.debugMode is enabled
+ *
+ * @param context - Component/function name
+ * @param message - Log message
+ * @param data - Optional data to log
+ */
+export function debugLog(context: string, message: string, data?: unknown): void {
+  const config = loadConfig();
+  if (!config.debugMode) return;
+
+  const prefix = `[cwc-sql]:${context}]`;
+  if (data !== undefined) {
+    console.log(prefix, message, data);
+  } else {
+    console.log(prefix, message);
+  }
+}

{
  "command": "git diff ccb855a..aa6c9ef -- packages/cwc-content/src/apis/ContentApiV1/ | head -200",
  "description": "View ContentApiV1 changes"
}

diff --git a/packages/cwc-content/src/apis/ContentApiV1/ContentApiV1.ts b/packages/cwc-content/src/apis/ContentApiV1/ContentApiV1.ts
new file mode 100644
index 0000000..2eafe05
--- /dev/null
+++ b/packages/cwc-content/src/apis/ContentApiV1/ContentApiV1.ts
@@ -0,0 +1,126 @@
+'use strict';
+
+import type { NextFunction, Request, Response } from 'express';
+import type { ExpressApi, ILogger, AuthClient, StorageClient, SqlClient } from 'cwc-backend-utils';
+import type { CwcContentConfig } from '../../config';
+import type { ContentRouteConfigs } from '../../types/handler.types';
+import { RequestHandler } from './RequestHandler';
+import { ContentCache } from '../../cache';
+import { getRoutes, createContentHandler } from './routes';
+
+const codeLocation = 'apis/ContentApiV1/index.ts';
+
+/**
+ * ContentApiV1 - Content delivery API for CWC
+ *
+ * Handles authenticated file operations via POST routes:
+ * - POST /coding-session/get: Fetch session data from storage (with caching)
+ * - POST /coding-session/put: Upload session data to storage
+ * - POST /coding-session/delete: Remove session data from storage
+ *
+ * Note: Binary file serving (images) is handled by FetchApiV1, not this API.
+ */
+export class ContentApiV1 implements ExpressApi {
+  private routes: ContentRouteConfigs;
+  private config: CwcContentConfig;
+  private authClient: AuthClient;
+  private logger: ILogger | undefined;
+
+  constructor(
+    config: CwcContentConfig,
+    storageClient: StorageClient,
+    authClient: AuthClient,
+    sqlClient: SqlClient,
+    logger: ILogger | undefined
+  ) {
+    this.config = config;
+    this.authClient = authClient;
+    this.logger = logger;
+
+    // Create cache with configurable settings
+    const cache = new ContentCache(config.contentCacheMaxSize, config.contentCacheTtlMs);
+
+    // Create content handler with storage client, cache, and sql client
+    const contentHandler = createContentHandler({
+      storageClient,
+      sqlClient,
+      cache,
+    });
+
+    // Routes initialized with content handler
+    this.routes = getRoutes(contentHandler);
+  }
+
+  public get path(): string {
+    return '/content/v1';
+  }
+
+  public get version(): number {
+    return 1;
+  }
+
+  /**
+   * Main request handler
+   */
+  public handler = async (req: Request, res: Response, next: NextFunction): Promise<void> => {
+    try {
+      // Early return if response already sent
+      if (res.statusCode !== 200 || res.writableEnded) {
+        return;
+      }
+
+      const { path } = req;
+
+      // Validate path exists
+      if (!path || path === '/') {
+        res.status(404).json({
+          success: false,
+          errorCode: 'NOT_FOUND',
+          errorMessage: 'Endpoint not found',
+        });
+        return;
+      }
+
+      // Find route config for POST routes
+      const routeConfig = this.routes[path];
+      if (!routeConfig) {
+        // This route is not handled by ContentApiV1, let it pass through
+        next();
+        return;
+      }
+
+      // Get auth header
+      const authHeader = req.headers['authorization'] as string | undefined;
+
+      // Create and execute RequestHandler
+      const handler = new RequestHandler(
+        {
+          authHeader,
+          payload: req.body,
+          routeConfig,
+        },
+        this.config,
+        this.authClient
+      );
+
+      const response = await handler.processRequest();
+
+      // Send response
+      res.status(response.statusCode).json(response.body);
+    } catch (error) {
+      this.logger?.logError({
+        userPkId: undefined,
+        codeLocation,
+        message: 'ContentApiV1.handler - ERROR',
+        error,
+      });
+
+      res.status(500).json({
+        success: false,
+        errorCode: 'INTERNAL_ERROR',
+        errorMessage: 'An internal error occurred',
+        ...(this.config.isDev ? { errorDetail: String(error) } : {}),
+      });
+    }
+  };
+}
diff --git a/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts b/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts
new file mode 100644
index 0000000..aae79b7
--- /dev/null
+++ b/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts
@@ -0,0 +1,277 @@
+'use strict';
+
+import { type StorageClient, type SqlClient, getErrorInfo } from 'cwc-backend-utils';
+import type { RequestContext } from '../../context';
+import type { ContentCache } from '../../cache';
+import type {
+  OperationResult,
+  GetCodingSessionPayload,
+  PutCodingSessionPayload,
+  DeleteCodingSessionPayload,
+} from '../../types/handler.types';
+import { debugLog } from '../../utils';
+
+export type ContentHandlerOptions = {
+  storageClient: StorageClient;
+  sqlClient: SqlClient;
+  cache: ContentCache;
+};
+
+/**
+ * Handles content operations (get/put/delete)
+ *
+ * This handler interacts with cwc-storage via StorageClient and maintains
+ * an in-memory cache for frequently accessed content.
+ *
+ * Security: Uses SqlClient to verify session published status before serving
+ * data to non-owners. This prevents enumeration attacks on unpublished sessions.
+ */
+export class ContentHandler {
+  private storageClient: StorageClient;
+  private sqlClient: SqlClient;
+
+  // temporarily disabled - todo: control with contentCacheEnabled
+  // private cache: ContentCache;
+
+  constructor(options: ContentHandlerOptions) {
+    this.storageClient = options.storageClient;
+    this.sqlClient = options.sqlClient;
+
+    // temporarily disabled - todo: control with contentCacheEnabled
+    // this.cache = options.cache;
+  }
+
+  /**
+   * Extract codingSessionPkId from filename
+   * e.g., "110/session.json.gz" -> 110
+   */
+  private extractPkIdFromFilename(filename: string): number | undefined {
+    const match = filename.match(/^(\d+)\//);
+    return match && match[1] ? parseInt(match[1], 10) : undefined;
+  }
+
+  /**
+   * Check if a coding session is published
+   * Returns true if session exists AND published=true
+   */
+  private async isSessionPublished(codingSessionPkId: number): Promise<boolean> {
+    let result: { codingSessionPkId: number } | undefined = undefined;
+    debugLog('ContentHandler', 'isSessionPublished', { codingSessionPkId });
+    try {
+      const command = this.sqlClient.selectCommand({
+        table: 'codingSession',

{
  "command": "git diff ccb855a..aa6c9ef -- packages/cwc-sql/src/handlers/commandHandler.ts | head -150",
  "description": "View commandHandler changes"
}

diff --git a/packages/cwc-sql/src/handlers/commandHandler.ts b/packages/cwc-sql/src/handlers/commandHandler.ts
index 78c0e63..1524123 100644
--- a/packages/cwc-sql/src/handlers/commandHandler.ts
+++ b/packages/cwc-sql/src/handlers/commandHandler.ts
@@ -1,14 +1,16 @@
 import type { Request, Response } from 'express';
-import type {
-  SqlClientExecuteOptions,
-  SqlClientQueryResponse,
-  SqlClientMutationResponse,
+import {
+  type SqlClientExecuteOptions,
+  type SqlClientQueryResponse,
+  type SqlClientMutationResponse,
+  getErrorInfo,
 } from 'cwc-backend-utils';
 import { getPool } from '../database';
 import { executeOperation } from './executeOperation';
 import { logErrorToDatabase } from '../errorLogger';
 import type { QueryCache } from '../cache';
 import type { CwcSqlConfig } from '../config';
+import { debugLog } from '../debugLog';
 
 /**
  * Main command handler for /data/v1/command endpoint
@@ -21,9 +23,11 @@ export function createCommandHandler(cache: QueryCache, config: CwcSqlConfig) {
     try {
       // Parse request body
       const executeOptions = req.body as SqlClientExecuteOptions;
+      debugLog('CommandBuilder', '', { executeOptions });
 
       // Validate request structure
       if (!executeOptions || !executeOptions.command) {
+        debugLog('CommandBuilder', 'Validate request', 'Invalid request: missing command');
         res.status(400).json({
           success: false,
           error: 'Invalid request: missing command',
@@ -32,9 +36,15 @@ export function createCommandHandler(cache: QueryCache, config: CwcSqlConfig) {
       }
 
       const { userPkId, command } = executeOptions;
+      debugLog('CommandBuilder', '', { userPkId, command: JSON.stringify(command, undefined, 2) });
 
       // Validate command has operations
       if (!command.operations || command.operations.length === 0) {
+        debugLog(
+          'CommandBuilder',
+          'Validate operations',
+          'Invalid command: operations array is empty'
+        );
         res.status(400).json({
           success: false,
           error: 'Invalid command: operations array is empty',
@@ -42,24 +52,15 @@ export function createCommandHandler(cache: QueryCache, config: CwcSqlConfig) {
         return;
       }
 
-      if (config.debugMode) {
-        console.log(`[cwc-sql] Processing command with ${command.operations.length} operations`);
-        console.log(`[cwc-sql] Transaction: ${command.transaction}`);
-        console.log(`[cwc-sql] User PK ID: ${userPkId || 'not specified'}`);
-      }
-
       // Execute command (with or without transaction)
       const results = command.transaction
         ? await executeWithTransaction(command.operations, cache, config)
         : await executeWithoutTransaction(command.operations, cache, config);
+      debugLog('CommandBuilder', 'execute', { results: JSON.stringify(results, undefined, 2) });
 
       // Calculate execution time
       const executionTime = Date.now() - startTime;
 
-      if (config.debugMode) {
-        console.log(`[cwc-sql] Command completed in ${executionTime}ms`);
-      }
-
       // Return success response
       res.json({
         success: true,
@@ -67,8 +68,9 @@ export function createCommandHandler(cache: QueryCache, config: CwcSqlConfig) {
         executionTime: config.debugMode ? executionTime : undefined,
       });
     } catch (error) {
-      const executionTime = Date.now() - startTime;
+      debugLog('CommandBuilder', 'ERROR', { error: getErrorInfo(error) });
 
+      const executionTime = Date.now() - startTime;
       console.error('[cwc-sql] Command handler error:', error);
 
       // Log error to database if enabled
@@ -119,27 +121,30 @@ async function executeWithoutTransaction(
   const pool = getPool();
   const results: Record<string, unknown> = {};
 
-  for (let i = 0; i < operations.length; i++) {
-    const operation = operations[i];
-    if (!operation) {
-      continue;
-    }
+  try {
+    for (let i = 0; i < operations.length; i++) {
+      const operation = operations[i];
+      if (!operation) {
+        continue;
+      }
 
-    const resultKey = operation.name || `operation-${i}`;
+      const resultKey = operation.name || `operation-${i}`;
 
-    // Get connection for this operation
-    const conn = await pool.getConnection();
+      // Get connection for this operation
+      const conn = await pool.getConnection();
 
-    try {
-      // Execute operation
-      const result = await executeOperation(conn, operation, cache, config);
-      results[resultKey] = result;
-    } finally {
-      // Always release connection
-      conn.release();
+      try {
+        // Execute operation
+        const result = await executeOperation(conn, operation, cache, config);
+        results[resultKey] = result;
+      } finally {
+        // Always release connection
+        conn.release();
+      }
     }
+  } catch (error) {
+    debugLog('CommandBuilder', 'executeWithoutTransaction - ERROR', { error: getErrorInfo(error) });
   }
-
   return results as SqlClientQueryResponse | SqlClientMutationResponse;
 }
 
@@ -160,10 +165,6 @@ async function executeWithTransaction(
     // Begin transaction
     await conn.beginTransaction();
 
-    if (config.debugMode) {
-      console.log('[cwc-sql] Transaction started');
-    }
-
     const results: Record<string, unknown> = {};
 
     // Execute all operations in sequence
@@ -183,12 +184,9 @@ async function executeWithTransaction(
     // Commit transaction

{
  "command": "git diff ccb855a..aa6c9ef -- packages/cwc-session-importer/src/services/ImageProcessor.ts | head -100",
  "description": "View ImageProcessor changes"
}

diff --git a/packages/cwc-session-importer/src/services/ImageProcessor.ts b/packages/cwc-session-importer/src/services/ImageProcessor.ts
index dbaae57..26f1cbd 100644
--- a/packages/cwc-session-importer/src/services/ImageProcessor.ts
+++ b/packages/cwc-session-importer/src/services/ImageProcessor.ts
@@ -6,9 +6,13 @@
  */
 
 import sharp from 'sharp';
-import type { ContentClient } from 'cwc-backend-utils';
-import type { CwcSessionData, CwcSessionImageContent } from 'cwc-types';
+import type { ContentClient, PutSessionDataResult } from 'cwc-backend-utils';
+import type { CwcSessionContent, CwcSessionData, CwcSessionImageContent } from 'cwc-types';
 import type { ParsedContent } from 'cwc-transcript-parser';
+import fs from 'node:fs';
+
+// const uploadWebpImages = true; // convert original image to webp and upload
+// const uploadOrigImages = false; // upload original image format
 
 /**
  * Intermediate image content type from parser (contains base64 data)
@@ -19,22 +23,35 @@ type ParsedImageContent = {
   data: string;
 };
 
+type ImageMetadata = {
+  width: number;
+  height: number;
+};
+
 /**
  * Result of image processing
  */
-export type ProcessImagesResult = {
-  success: true;
-  imageCount: number;
-} | {
-  success: false;
-  error: string;
-};
+export type ProcessImagesResult =
+  | {
+      success: true;
+      imageCount: number;
+    }
+  | {
+      success: false;
+      error: string;
+    };
 
 /**
  * Check if content block is an image with base64 data
  */
-function isImageWithData(content: ParsedContent | CwcSessionImageContent): content is ParsedImageContent {
-  return content.type === 'image' && 'data' in content && typeof (content as ParsedImageContent).data === 'string';
+function isImageWithData(
+  content: ParsedContent | CwcSessionImageContent
+): content is ParsedImageContent {
+  return (
+    content.type === 'image' &&
+    'data' in content &&
+    typeof (content as ParsedImageContent).data === 'string'
+  );
 }
 
 /**
@@ -59,65 +76,115 @@ export async function processSessionImages(
 ): Promise<ProcessImagesResult> {
   let imageIndex = 0;
 
+  // const extensions: Record<string, string> = {
+  //   'image/png': 'png',
+  // };
+
   for (const message of sessionData.messages) {
     for (let i = 0; i < message.content.length; i++) {
-      const content = message.content[i];
+      const content: CwcSessionContent | undefined = message.content[i];
+      if (content) {
+        // Type assertion to handle the parsed format which may have 'data' field
+        if (!isImageWithData(content as ParsedContent)) {
+          continue;
+        }
+        // const sessionImageContent = content as CwcSessionImageContent;
 
-      // Type assertion to handle the parsed format which may have 'data' field
-      if (!isImageWithData(content as ParsedContent)) {
-        continue;
-      }
+        const imageContent = content as unknown as ParsedImageContent;
 
-      const imageContent = content as unknown as ParsedImageContent;
+        // console.log({ uuid: message.uuid, sessionImageContent, imageContent });
 
-      try {
-        // Convert base64 to Buffer
-        const inputBuffer = Buffer.from(imageContent.data, 'base64');
+        const fileNameNoExt = `output_image_${Date.now()}`;
 
-        // Convert to WebP with sharp
-        const sharpInstance = sharp(inputBuffer);

{
  "command": "git diff ccb855a..aa6c9ef -- packages/cwc-website/src/views/server/CodingSession/conversation/ImageContent.tsx",
  "description": "View ImageContent changes"
}

diff --git a/packages/cwc-website/src/views/server/CodingSession/conversation/ImageContent.tsx b/packages/cwc-website/src/views/server/CodingSession/conversation/ImageContent.tsx
index 2e69a93..3a3c76d 100644
--- a/packages/cwc-website/src/views/server/CodingSession/conversation/ImageContent.tsx
+++ b/packages/cwc-website/src/views/server/CodingSession/conversation/ImageContent.tsx
@@ -11,11 +11,6 @@ type ImageContentProps = {
 /**
  * Render an image uploaded by the user during a Claude Code session
  *
- * Images are served from cwc-content FetchApiV1 at:
- * {fetchUri}/file/{projectId}/{storageFolder}/{content.url}
- *
- * fetchUri is derived from contentUriExternal by replacing /content/v1 with /fetch/v1
- *
  * For SSR mode: contentUriExternal is a full URL (e.g., http://localhost:5008/content/v1)
  * For SSG mode: contentUriExternal is empty, resulting in relative paths
  */
@@ -25,12 +20,7 @@ export function ImageContent({
   storageFolder,
   contentUriExternal,
 }: ImageContentProps): ReactNode {
-  // Derive fetch URI from content URI (replace /content/v1 with /fetch/v1)
-  const fetchUri = contentUriExternal.replace('/content/v1', '/fetch/v1');
-
-  // Construct image URL
-  // content.url is relative path like "images/img-001.webp"
-  const src = `${fetchUri}/file/${projectId}/${storageFolder}/${content.url}`;
+  const src = `${contentUriExternal}/file/${projectId}/${storageFolder}/${content.url}`;
 
   return (
     <div className="my-2 min-w-0 overflow-hidden">

{
  "command": "git diff ccb855a..aa6c9ef -- packages/cwc-configuration-helper/src/configuration.ts | head -50",
  "description": "View configuration.ts changes"
}

diff --git a/packages/cwc-configuration-helper/src/configuration.ts b/packages/cwc-configuration-helper/src/configuration.ts
index 5221ef8..6b98ca5 100644
--- a/packages/cwc-configuration-helper/src/configuration.ts
+++ b/packages/cwc-configuration-helper/src/configuration.ts
@@ -130,7 +130,7 @@ const runtimeConfigs: RuntimeConfigs = {
     databaseConnectionAcquireTimeout: 30000,
     databaseConnectionQueueLimit: 1000,
     databaseConnectionLimit: 20,
-    queryCacheEnabled: true,
+    queryCacheEnabled: false,
     queryCacheTtl: 5, // minutes
     queryCacheMaxKeys: 1000,
     storageVolumePath: '/data/storage', // container mount point (host: /home/devops/prod-cwc-storage)
@@ -186,7 +186,7 @@ const runtimeConfigs: RuntimeConfigs = {
     databaseConnectionAcquireTimeout: 30000,
     databaseConnectionQueueLimit: 1000,
     databaseConnectionLimit: 20,
-    queryCacheEnabled: true,
+    queryCacheEnabled: false,
     queryCacheTtl: 5, // minutes
     queryCacheMaxKeys: 1000,
     storageVolumePath: '/data/storage', // container mount point (host: /home/devops/test-cwc-storage)
@@ -241,7 +241,7 @@ const runtimeConfigs: RuntimeConfigs = {
     databaseConnectionAcquireTimeout: 30000,
     databaseConnectionQueueLimit: 1000,
     databaseConnectionLimit: 20,
-    queryCacheEnabled: true,
+    queryCacheEnabled: false,
     queryCacheTtl: 5, // minutes
     queryCacheMaxKeys: 1000,
     storageVolumePath: '~/dev-cwc-storage',
@@ -296,7 +296,7 @@ const runtimeConfigs: RuntimeConfigs = {
     databaseConnectionAcquireTimeout: 30000,
     databaseConnectionQueueLimit: 1000,
     databaseConnectionLimit: 20,
-    queryCacheEnabled: true,
+    queryCacheEnabled: false,
     queryCacheTtl: 5, // minutes
     queryCacheMaxKeys: 1000,
     storageVolumePath: '~/unit-cwc-storage',
@@ -353,7 +353,7 @@ const runtimeConfigs: RuntimeConfigs = {
     databaseConnectionAcquireTimeout: 30000,
     databaseConnectionQueueLimit: 1000,
     databaseConnectionLimit: 20,
-    queryCacheEnabled: true,
+    queryCacheEnabled: false,
     queryCacheTtl: 5, // minutes
     queryCacheMaxKeys: 1000,
     storageVolumePath: '~/e2e-cwc-storage', // folder must be created on the test server

{
  "command": "git diff ccb855a..aa6c9ef -- packages/cwc-sql/src/auth/verifyToken.ts | head -80",
  "description": "View verifyToken changes"
}

diff --git a/packages/cwc-sql/src/auth/verifyToken.ts b/packages/cwc-sql/src/auth/verifyToken.ts
index ea0308e..40bb08c 100644
--- a/packages/cwc-sql/src/auth/verifyToken.ts
+++ b/packages/cwc-sql/src/auth/verifyToken.ts
@@ -1,6 +1,8 @@
 import jwt from 'jsonwebtoken';
 import type { Request, Response, NextFunction } from 'express';
 import type { CwcSqlConfig } from '../config';
+import { debugLog } from '../debugLog';
+import { getErrorInfo } from 'cwc-backend-utils';
 
 /**
  * JWT payload structure for cwc-sql authentication tokens
@@ -15,7 +17,7 @@ export type SqlAuthTokenPayload = {
 /**
  * Valid client names that can access cwc-sql
  */
-const VALID_CLIENT_NAMES = ['cwc-api', 'cwc-auth', 'cwc-admin-api'] as const;
+const VALID_CLIENT_NAMES = ['cwc-api', 'cwc-auth', 'cwc-admin-api', 'cwc-content'] as const;
 
 /**
  * Express middleware to verify JWT authentication tokens
@@ -30,8 +32,10 @@ export function createVerifyTokenMiddleware(config: CwcSqlConfig) {
     try {
       // Extract Authorization header
       const authHeader = req.headers.authorization;
+      debugLog('verifyToken', '', { authHeader });
 
       if (!authHeader) {
+        debugLog('verifyToken', 'Missing Authorization header');
         res.status(401).json({
           success: false,
           error: 'Missing Authorization header',
@@ -41,6 +45,7 @@ export function createVerifyTokenMiddleware(config: CwcSqlConfig) {
 
       // Check Bearer format
       if (!authHeader.startsWith('Bearer ')) {
+        debugLog('verifyToken', 'Invalid Authorization header format. Expected: Bearer <token>');
         res.status(401).json({
           success: false,
           error: 'Invalid Authorization header format. Expected: Bearer <token>',
@@ -50,8 +55,10 @@ export function createVerifyTokenMiddleware(config: CwcSqlConfig) {
 
       // Extract token
       const token = authHeader.substring(7); // Remove "Bearer " prefix
+      debugLog('verifyToken', '', { token });
 
       if (!token) {
+        debugLog('verifyToken', 'Missing authentication token');
         res.status(401).json({
           success: false,
           error: 'Missing authentication token',
@@ -65,8 +72,11 @@ export function createVerifyTokenMiddleware(config: CwcSqlConfig) {
         decoded = jwt.verify(token, config.sqlClientApiKey, {
           algorithms: ['RS256'], // Only accept RS256 algorithm
         });
+        debugLog('verifyToken', 'jwt.verify', { decoded });
       } catch (error) {
+        debugLog('verifyToken', 'jwt.verify - ERROR', { error: getErrorInfo(error) });
         if (error instanceof jwt.TokenExpiredError) {
+          debugLog('verifyToken', 'jwt.verify', 'Authentication token has expired');
           res.status(401).json({
             success: false,
             error: 'Authentication token has expired',
@@ -75,6 +85,7 @@ export function createVerifyTokenMiddleware(config: CwcSqlConfig) {
         }
 
         if (error instanceof jwt.JsonWebTokenError) {
+          debugLog('verifyToken', 'jwt.verify', 'Invalid authentication token');
           res.status(401).json({
             success: false,
             error: 'Invalid authentication token',
@@ -88,6 +99,7 @@ export function createVerifyTokenMiddleware(config: CwcSqlConfig) {
 
       // Validate payload structure
       if (!decoded || typeof decoded !== 'object') {
+        debugLog('verifyToken', 'Invalid token payload');
         res.status(401).json({
           success: false,
           error: 'Invalid token payload',

{
  "todos": [
    {
      "content": "Add debugLog best practices to CLAUDE.md",
      "status": "completed",
      "activeForm": "Adding debugLog best practices to CLAUDE.md"
    },
    {
      "content": "Review PR #51 and produce a report",
      "status": "completed",
      "activeForm": "Reviewing PR #51"
    },
    {
      "content": "Add tech debt items for SqlClient typing and cwc-types/cwc-schema merge",
      "status": "pending",
      "activeForm": "Adding tech debt items"
    },
    {
      "content": "Plan: SqlClient schema validation",
      "status": "pending",
      "activeForm": "Planning SqlClient schema validation"
    },
    {
      "content": "Plan: Add CONTENT_CACHE_ENABLED config toggle",
      "status": "pending",
      "activeForm": "Planning cache toggle config"
    },
    {
      "content": "Plan: Investigate QUERY_CACHE_ENABLED in cwc-sql",
      "status": "pending",
      "activeForm": "Planning query cache investigation"
    },
    {
      "content": "Plan: Identify other services with caching",
      "status": "pending",
      "activeForm": "Planning caching audit"
    },
    {
      "content": "Plan: Add debug logging to cwc-content",
      "status": "pending",
      "activeForm": "Planning cwc-content debug logging"
    },
    {
      "content": "Plan: Add debug logging to cwc-sql",
      "status": "pending",
      "activeForm": "Planning cwc-sql debug logging"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/CLAUDE.md",
  "offset": 1052,
  "limit": 35
}

  1052→### debugLog Best Practices (CRITICAL)
  1053→
  1054→**A thorough & permanent `debugLog` implementation is critical for troubleshooting.** Adding debug statements only when troubleshooting is counter-productive - you end up re-familiarizing yourself with all the code and finding the places involved in the issue. Then removing them after means repeating that process every time an issue comes up.
  1055→
  1056→**What to log:**
  1057→
  1058→- Arguments passed to a function
  1059→- Values received from a function call
  1060→- Inside if blocks/condition checks that lead to access-denied, failure, or significant code paths
  1061→- Errors in try-catch blocks - log immediately in the function where the error occurred
  1062→
  1063→**What NOT to log (no debugging value):**
  1064→
  1065→- ❌ `Processing command with ${command.operations.length} operations`
  1066→- ❌ `Transaction: ${command.transaction}`
  1067→- ❌ `Command completed in ${executionTime}ms`
  1068→
  1069→**Formatting best practices:**
  1070→
  1071→- Use object notation and `JSON.stringify()` for large objects/arrays so we can see the actual contents
  1072→- Avoid logging Express request/response objects (they're huge and mostly useless)
  1073→- NEVER attempt to log Express request/response to the database - this usually crashes the service
  1074→- Never log `config.secrets` - these values are always REDACTED
  1075→
  1076→**Pattern:**
  1077→
  1078→```typescript
  1079→debugLog('functionName', 'description', { key: value, anotherKey: JSON.stringify(largeArray) });
  1080→```
  1081→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/CLAUDE.md",
  "old_string": "### debugLog Best Practices (CRITICAL)\n\n**A thorough & permanent `debugLog` implementation is critical for troubleshooting.** Adding debug statements only when troubleshooting is counter-productive - you end up re-familiarizing yourself with all the code and finding the places involved in the issue. Then removing them after means repeating that process every time an issue comes up.\n\n**What to log:**\n\n- Arguments passed to a function\n- Values received from a function call\n- Inside if blocks/condition checks that lead to access-denied, failure, or significant code paths\n- Errors in try-catch blocks - log immediately in the function where the error occurred\n\n**What NOT to log (no debugging value):**\n\n- ❌ `Processing command with ${command.operations.length} operations`\n- ❌ `Transaction: ${command.transaction}`\n- ❌ `Command completed in ${executionTime}ms`\n\n**Formatting best practices:**\n\n- Use object notation and `JSON.stringify()` for large objects/arrays so we can see the actual contents\n- Avoid logging Express request/response objects (they're huge and mostly useless)\n- NEVER attempt to log Express request/response to the database - this usually crashes the service\n- Never log `config.secrets` - these values are always REDACTED\n\n**Pattern:**\n\n```typescript\ndebugLog('functionName', 'description', { key: value, anotherKey: JSON.stringify(largeArray) });\n```",
  "new_string": "### debugLog Best Practices (CRITICAL)\n\n**A thorough & permanent `debugLog` implementation is critical for troubleshooting.** Adding debug statements only when troubleshooting is counter-productive - you end up re-familiarizing yourself with all the code and finding the places involved in the issue. Then removing them after means repeating that process every time an issue comes up.\n\n**What to log:**\n\n- Arguments passed to a function (at entry point)\n- Values received from a function call\n- Inside if blocks/condition checks that lead to access-denied, failure, or significant code paths\n- Errors in try-catch blocks - log immediately in the function where the error occurred\n\n**What NOT to log (no debugging value):**\n\n- ❌ `Processing command with ${command.operations.length} operations`\n- ❌ `Transaction: ${command.transaction}`\n- ❌ `Command completed in ${executionTime}ms`\n\n**Function signature:** `debugLog(context, message, data?)`\n\n**Context naming convention:** Use the function or handler name:\n\n- `'CommandBuilder'`, `'verifyToken'`, `'ContentHandler'`, `'createContext'`\n\n**Message conventions:**\n\n| Scenario | Message Pattern | Example |\n|----------|-----------------|---------|\n| Entry point (logging input) | Empty string `''` | `debugLog('verifyToken', '', { authHeader })` |\n| Validation/condition failure | Descriptive message | `debugLog('verifyToken', 'Missing Authorization header')` |\n| Sub-operation result | Operation name | `debugLog('verifyToken', 'jwt.verify', { decoded })` |\n| Error case | `' - ERROR'` suffix | `debugLog('verifyToken', 'jwt.verify - ERROR', { error })` |\n\n**Formatting best practices:**\n\n- Use object notation: `{ key: value }` for structured data\n- Use `JSON.stringify(obj, undefined, 2)` for nested/complex objects (pretty-print with 2-space indent)\n- Use `getErrorInfo(error)` for error objects - extracts useful info without crashing\n- Avoid logging Express request/response objects (they're huge and mostly useless)\n- NEVER attempt to log Express request/response to the database - this usually crashes the service\n- Never log `config.secrets` - these values are always REDACTED\n\n**Examples:**\n\n```typescript\n// Entry point - log input arguments\ndebugLog('CommandBuilder', '', { executeOptions });\n\n// After receiving a value\ndebugLog('CommandBuilder', '', { userPkId, command: JSON.stringify(command, undefined, 2) });\n\n// Validation failure\ndebugLog('CommandBuilder', 'Validate request', 'Invalid request: missing command');\n\n// Operation result\ndebugLog('CommandBuilder', 'execute', { results: JSON.stringify(results, undefined, 2) });\n\n// Error case - always use getErrorInfo()\ndebugLog('CommandBuilder', 'ERROR', { error: getErrorInfo(error) });\ndebugLog('verifyToken', 'jwt.verify - ERROR', { error: getErrorInfo(error) });\n```"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/CLAUDE.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
  1048→4. **Update documentation** if patterns/learnings emerged during review
  1049→
  1050→**Session 010 Learning:** This pattern was established after Claude Code incorrectly presented all 14 review points at once despite clear request for step-by-step discussion. This made it difficult for the developer to engage in focused discussion on individual points.
  1051→
  1052→### debugLog Best Practices (CRITICAL)
  1053→
  1054→**A thorough & permanent `debugLog` implementation is critical for troubleshooting.** Adding debug statements only when troubleshooting is counter-productive - you end up re-familiarizing yourself with all the code and finding the places involved in the issue. Then removing them after means repeating that process every time an issue comes up.
  1055→
  1056→**What to log:**
  1057→
  1058→- Arguments passed to a function (at entry point)
  1059→- Values received from a function call
  1060→- Inside if blocks/condition checks that lead to access-denied, failure, or significant code paths
  1061→- Errors in try-catch blocks - log immediately in the function where the error occurred
  1062→
  1063→**What NOT to log (no debugging value):**
  1064→
  1065→- ❌ `Processing command with ${command.operations.length} operations`
  1066→- ❌ `Transaction: ${command.transaction}`
  1067→- ❌ `Command completed in ${executionTime}ms`
  1068→
  1069→**Function signature:** `debugLog(context, message, data?)`
  1070→
  1071→**Context naming convention:** Use the function or handler name:
  1072→
  1073→- `'CommandBuilder'`, `'verifyToken'`, `'ContentHandler'`, `'createContext'`
  1074→
  1075→**Message conventions:**
  1076→
  1077→| Scenario | Message Pattern | Example |
  1078→|----------|-----------------|---------|
  1079→| Entry point (logging input) | Empty string `''` | `debugLog('verifyToken', '', { authHeader })` |
  1080→| Validation/condition failure | Descriptive message | `debugLog('verifyToken', 'Missing Authorization header')` |
  1081→| Sub-operation result | Operation name | `debugLog('verifyToken', 'jwt.verify', { decoded })` |
  1082→| Error case | `' - ERROR'` suffix | `debugLog('verifyToken', 'jwt.verify - ERROR', { error })` |
  1083→
  1084→**Formatting best practices:**
  1085→
  1086→- Use object notation: `{ key: value }` for structured data
  1087→- Use `JSON.stringify(obj, undefined, 2)` for nested/complex objects (pretty-print with 2-space indent)
  1088→- Use `getErrorInfo(error)` for error objects - extracts useful info without crashing
  1089→- Avoid logging Express request/response objects (they're huge and mostly useless)
  1090→- NEVER attempt to log Express request/response to the database - this usually crashes the service
  1091→- Never log `config.secrets` - these values are always REDACTED
  1092→
  1093→**Examples:**
  1094→
  1095→```typescript
  1096→// Entry point - log input arguments
  1097→debugLog('CommandBuilder', '', { executeOptions });
  1098→
  1099→// After receiving a value
  1100→debugLog('CommandBuilder', '', { userPkId, command: JSON.stringify(command, undefined, 2) });
  1101→
  1102→// Validation failure
  1103→debugLog('CommandBuilder', 'Validate request', 'Invalid request: missing command');
  1104→
  1105→// Operation result
  1106→debugLog('CommandBuilder', 'execute', { results: JSON.stringify(results, undefined, 2) });
  1107→
  1108→// Error case - always use getErrorInfo()
  1109→debugLog('CommandBuilder', 'ERROR', { error: getErrorInfo(error) });
  1110→debugLog('verifyToken', 'jwt.verify - ERROR', { error: getErrorInfo(error) });
  1111→```
  1112→

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Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/documents/cwc-tech-debt.md"
}

     1→# CWC Technical Debt Tracker
     2→
     3→This file tracks technical debt, future improvements, and enhancement ideas identified during planning and development sessions. Items are captured here to avoid scope creep while preserving valuable insights for future work.
     4→
     5→---
     6→
     7→## How to Use This File
     8→
     9→**When to Add Items:**
    10→- During planning sessions when enhancements are identified but deferred
    11→- When implementing a feature and recognizing a better long-term solution
    12→- When discovering patterns that could be improved across the codebase
    13→- When a quick fix is implemented with awareness of a better approach
    14→
    15→**Item Format:**
    16→```markdown
    17→### [Category] Short Title
    18→**Session:** XXX | **Priority:** Low/Medium/High | **Effort:** Small/Medium/Large
    19→
    20→Description of the improvement or technical debt.
    21→
    22→**Current State:** What exists now
    23→**Desired State:** What should exist
    24→**Benefit:** Why this matters
    25→```
    26→
    27→---
    28→
    29→## Future Enhancements
    30→
    31→### [CodingSessionEditor] AI Agent for Sensitive Data Detection
    32→
    33→**Session:** 044 | **Priority:** Medium | **Effort:** Large
    34→
    35→Implement an AI agent to help project owners scan CwcSessionData files for sensitive information beyond what regex patterns can detect.
    36→
    37→**Current State:** Local regex patterns for common sensitive data (API keys, emails, JWT tokens, paths, IPs, env variables)
    38→
    39→**Desired State:** Optional AI-powered scan button that:
    40→- Analyzes conversation context to identify potentially sensitive information
    41→- Detects secrets mentioned in natural language (e.g., "the password is xyz123")
    42→- Identifies project-specific sensitive patterns based on context
    43→- Suggests which content blocks may need redaction
    44→- Learns from user confirmations to improve detection
    45→
    46→**Benefit:**
    47→- More thorough detection than regex alone
    48→- Context-aware identification (regex can't understand semantics)
    49→- Reduces risk of accidentally publishing sensitive information
    50→- Builds institutional knowledge of what's sensitive per project
    51→
    52→**Implementation Notes:**
    53→- Could use Claude API with specialized prompts
    54→- Would need rate limiting / cost controls
    55→- Should be optional (user-triggered, not automatic)
    56→- Results should be highlighted in the editor for user review
    57→
    58→---
    59→
    60→### [Image Support] Cloudflare Images for Scale
    61→
    62→**Session:** 047 | **Priority:** Low | **Effort:** Medium
    63→
    64→Consider migrating to Cloudflare Images when image bandwidth becomes significant or responsive images are needed.
    65→
    66→**Current State:** Images optimized to WebP at import time using sharp, served via Cloudflare CDN with long-term cache headers (1 year, immutable).
    67→
    68→**Desired State:** Use Cloudflare Images ($5/month) for:
    69→- Automatic WebP conversion (could remove sharp dependency from cwc-session-importer)
    70→- Responsive resizing (serve different sizes based on viewport)
    71→- 100K images included per month
    72→- Automatic optimization and compression
    73→
    74→**Benefit:**
    75→- Reduced build complexity (no sharp dependency)
    76→- Better mobile experience with responsive images
    77→- Lower bandwidth costs at scale
    78→- CDN-level image optimization
    79→
    80→**When to Consider:**
    81→- If image bandwidth becomes significant
    82→- If we need responsive images for mobile
    83→- If sharp becomes a maintenance burden
    84→- If hitting 1000+ images and want professional image management
    85→
    86→**Implementation Notes:**
    87→- Would change upload flow: send to Cloudflare Images API instead of cwc-storage
    88→- cwc-content image endpoint would become a redirect or proxy to Cloudflare
    89→- Image URLs would change format (Cloudflare uses their own CDN URLs)
    90→- Could be a gradual migration - new images to Cloudflare, old ones remain in cwc-storage
    91→
    92→---
    93→
    94→## Technical Debt
    95→
    96→_(No items yet)_
    97→
    98→---
    99→
   100→## Code Quality Improvements
   101→
   102→_(No items yet)_
   103→
   104→---
   105→
   106→## Performance Optimizations
   107→
   108→_(No items yet)_
   109→
   110→---
   111→
   112→## Documentation Improvements
   113→
   114→_(No items yet)_
   115→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/documents/cwc-tech-debt.md",
  "old_string": "## Technical Debt\n\n_(No items yet)_",
  "new_string": "## Technical Debt\n\n### [SqlClient] Runtime Schema Validation for Query Parameters\n\n**Session:** 048 | **Priority:** High | **Effort:** Medium\n\nSqlClient queries can contain invalid column names that only fail at runtime when the SQL executes. This causes hard-to-debug errors.\n\n**Current State:** SqlClient accepts any string for table names, column names, and field references. Invalid names (typos, non-existent columns) only fail when cwc-sql executes the query against MariaDB.\n\n**Desired State:** SqlClient validates parameters against cwc-schema before generating SQL:\n- Validate table name exists in schema\n- Validate column names in `columns`, `where`, `orderBy`, `groupBy` exist for the table\n- Validate data keys in `insertCommand`/`updateCommand` match actual column names\n- Fail fast with clear error message identifying the invalid reference\n\n**Benefit:**\n- Catch errors at development time, not runtime\n- Clear error messages pointing to the exact invalid reference\n- Prevents debugging sessions hunting for typos in column names\n- Leverages existing cwc-schema definitions\n\n**Implementation Notes:**\n- cwc-backend-utils SqlClient would need to import from cwc-schema\n- Validation could be optional (enabled in dev/test, disabled in prod for performance)\n- See comments in `packages/cwc-backend-utils/src/SqlClient/SqlClient.ts` for specific validation points\n\n---\n\n### [Types/Schema] Research Merging cwc-types and cwc-schema Packages\n\n**Session:** 048 | **Priority:** Medium | **Effort:** Large\n\ncwc-types and cwc-schema have overlapping responsibilities that could be consolidated to enforce types more effectively and eliminate duplication.\n\n**Current State:**\n- `cwc-types` defines TypeScript entity types (CwcProject, CwcUser, etc.)\n- `cwc-schema` defines database schema metadata (table structures, column definitions)\n- Entity types and schema definitions are maintained separately\n- No automatic validation that types match schema\n\n**Desired State:** Research whether merging these packages would:\n- Generate TypeScript types from schema definitions (single source of truth)\n- Enable compile-time validation of SqlClient queries against actual types\n- Reduce maintenance burden of keeping types and schema in sync\n- Provide better type inference for query results\n\n**Benefit:**\n- Single source of truth for entity definitions\n- Automatic type generation reduces manual maintenance\n- Stronger type safety for database operations\n- Eliminates possibility of types and schema drifting out of sync\n\n**Research Questions:**\n- What's the best approach: generate types from schema, or schema from types?\n- How would this affect existing package consumers?\n- What's the migration path for current code?\n- Are there existing tools (like Drizzle, Prisma schema) that solve this?\n\n---"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/documents/cwc-tech-debt.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    90→- Could be a gradual migration - new images to Cloudflare, old ones remain in cwc-storage
    91→
    92→---
    93→
    94→## Technical Debt
    95→
    96→### [SqlClient] Runtime Schema Validation for Query Parameters
    97→
    98→**Session:** 048 | **Priority:** High | **Effort:** Medium
    99→
   100→SqlClient queries can contain invalid column names that only fail at runtime when the SQL executes. This causes hard-to-debug errors.
   101→
   102→**Current State:** SqlClient accepts any string for table names, column names, and field references. Invalid names (typos, non-existent columns) only fail when cwc-sql executes the query against MariaDB.
   103→
   104→**Desired State:** SqlClient validates parameters against cwc-schema before generating SQL:
   105→- Validate table name exists in schema
   106→- Validate column names in `columns`, `where`, `orderBy`, `groupBy` exist for the table
   107→- Validate data keys in `insertCommand`/`updateCommand` match actual column names
   108→- Fail fast with clear error message identifying the invalid reference
   109→
   110→**Benefit:**
   111→- Catch errors at development time, not runtime
   112→- Clear error messages pointing to the exact invalid reference
   113→- Prevents debugging sessions hunting for typos in column names
   114→- Leverages existing cwc-schema definitions
   115→
   116→**Implementation Notes:**
   117→- cwc-backend-utils SqlClient would need to import from cwc-schema
   118→- Validation could be optional (enabled in dev/test, disabled in prod for performance)
   119→- See comments in `packages/cwc-backend-utils/src/SqlClient/SqlClient.ts` for specific validation points
   120→
   121→---
   122→
   123→### [Types/Schema] Research Merging cwc-types and cwc-schema Packages
   124→
   125→**Session:** 048 | **Priority:** Medium | **Effort:** Large
   126→
   127→cwc-types and cwc-schema have overlapping responsibilities that could be consolidated to enforce types more effectively and eliminate duplication.
   128→
   129→**Current State:**
   130→- `cwc-types` defines TypeScript entity types (CwcProject, CwcUser, etc.)
   131→- `cwc-schema` defines database schema metadata (table structures, column definitions)
   132→- Entity types and schema definitions are maintained separately
   133→- No automatic validation that types match schema
   134→
   135→**Desired State:** Research whether merging these packages would:
   136→- Generate TypeScript types from schema definitions (single source of truth)
   137→- Enable compile-time validation of SqlClient queries against actual types
   138→- Reduce maintenance burden of keeping types and schema in sync
   139→- Provide better type inference for query results
   140→
   141→**Benefit:**
   142→- Single source of truth for entity definitions
   143→- Automatic type generation reduces manual maintenance
   144→- Stronger type safety for database operations
   145→- Eliminates possibility of types and schema drifting out of sync
   146→
   147→**Research Questions:**
   148→- What's the best approach: generate types from schema, or schema from types?
   149→- How would this affect existing package consumers?
   150→- What's the migration path for current code?
   151→- Are there existing tools (like Drizzle, Prisma schema) that solve this?
   152→
   153→---
   154→
   155→---
   156→
   157→## Code Quality Improvements

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/documents/cwc-tech-debt.md",
  "old_string": "---\n\n---\n\n## Code Quality Improvements",
  "new_string": "---\n\n## Code Quality Improvements"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/documents/cwc-tech-debt.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   149→- How would this affect existing package consumers?
   150→- What's the migration path for current code?
   151→- Are there existing tools (like Drizzle, Prisma schema) that solve this?
   152→
   153→---
   154→
   155→## Code Quality Improvements
   156→
   157→_(No items yet)_
   158→
   159→---

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Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

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  "todos": [
    {
      "content": "Add debugLog best practices to CLAUDE.md",
      "status": "completed",
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      "status": "pending",
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    {
      "content": "Plan: Investigate QUERY_CACHE_ENABLED in cwc-sql",
      "status": "pending",
      "activeForm": "Planning query cache investigation"
    },
    {
      "content": "Plan: Identify other services with caching",
      "status": "pending",
      "activeForm": "Planning caching audit"
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    {
      "content": "Plan: Add debug logging to cwc-content",
      "status": "pending",
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    {
      "content": "Plan: Add debug logging to cwc-sql",
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    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

Entered plan mode. You should now focus on exploring the codebase and designing an implementation approach.

In plan mode, you should:
1. Thoroughly explore the codebase to understand existing patterns
2. Identify similar features and architectural approaches
3. Consider multiple approaches and their trade-offs
4. Use AskUserQuestion if you need to clarify the approach
5. Design a concrete implementation strategy
6. When ready, use ExitPlanMode to present your plan for approval

Remember: DO NOT write or edit any files yet. This is a read-only exploration and planning phase.

{
  "description": "Explore SqlClient schema validation",
  "prompt": "I'm planning to add schema validation to SqlClient to prevent invalid column names in queries. The user mentioned they added comments in SqlClient.ts to identify what should be validated.\n\nPlease explore:\n\n1. **SqlClient.ts** (`packages/cwc-backend-utils/src/SqlClient/SqlClient.ts`):\n   - Find the comments the user added about validation\n   - Understand the structure of `deleteCommand`, `insertCommand`, `selectCommand`, `updateCommand` functions\n   - What parameters do these functions accept that could be validated?\n\n2. **cwc-schema package** (`packages/cwc-schema/`):\n   - What schema information is available?\n   - How is the schema structured (tables, columns)?\n   - What functions/exports exist for accessing schema data?\n   - Is there a `getSchema()` or similar function?\n\n3. **How cwc-sql uses schema** (`packages/cwc-sql/`):\n   - Does cwc-sql already validate against schema?\n   - What pattern does it use?\n\nProvide a detailed summary of findings including:\n- The exact validation points mentioned in comments\n- The schema data structure available\n- Any existing validation patterns we can follow",
  "subagent_type": "Explore"
}

Perfect! I now have all the information I need. Let me create a comprehensive summary of my findings:

## Exploration Summary: Schema Validation in SqlClient

I've thoroughly explored the codebase and identified exactly where schema validation should be added and what patterns already exist. Here's my detailed findings:

### 1. Validation Points in SqlClient.ts

The comments in **`packages/cwc-backend-utils/src/SqlClient/SqlClient.ts`** identify four command builder functions that need validation:

- **Line 261-275: `deleteCommand()`**
  - Comment: "lookup the table in the schema; filters - ensure each value is a valid field in the table"
  - Parameters: `table`, `filters`

- **Line 296-310: `insertCommand()`**
  - Comment: "lookup the table in the schema; values - ensure each value is a valid field in the table"
  - Parameters: `table`, `values`

- **Line 312-338: `selectCommand()`**
  - Comment: "if not custom, lookup the table in the schema; filters, fields, and sort - ensure each value is a valid field in the table"
  - Parameters: `table`, `filters`, `fields`, `sort`

- **Line 340-355: `updateCommand()`**
  - Comment: "lookup the table in the schema; filters and values - ensure each value is a valid field in the table"
  - Parameters: `table`, `values`, `filters`

### 2. Schema Data Structure

**Location:** `packages/cwc-schema/src/`

**Structure:**
```typescript
// Schema object (from types.ts)
type Schema = {
  name: string;           // Table name (e.g., 'user', 'project')
  type: 'table' | 'view';
  pkid: string | undefined;  // Primary key column name
  columns: Record<string, SchemaColumn>;
};

// SchemaColumn object
type SchemaColumn = {
  type: 'string' | 'number' | 'boolean' | 'object';
  name: string;           // Actual column name in database
  typename: string;       // Semantic type (e.g., 'uuid', 'email')
  required?: boolean;
  minLength?: number;
  maxLength?: number;
  regex?: RegExp;
  values?: string[];      // Enum values
  foreignKey?: {
    table: string;
    column: string;
    onDelete?: 'CASCADE' | 'SET NULL' | 'RESTRICT';
  };
  zodValidator?: z.ZodType<unknown>;
};
```

**Key Functions in `packages/cwc-schema/src/index.ts`:**
- `getSchema(name: string): Schema | undefined` - Get schema by table name
- `getAllSchemas(): Schema[]` - Get all table/view schemas
- `validateAlphabeticalOrder(): void` - Ensures alphabetical consistency

**Example schemas loaded:**
- 18 tables: user, project, codingSession, comment, errorLog, etc.
- All defined in `packages/cwc-schema/src/tables/{tableName}.ts`
- Use reusable column types from `columnTypes.ts` via spread syntax

### 3. Existing Validation Patterns in cwc-sql

**Location:** `packages/cwc-sql/src/sql/validation.ts`

cwc-sql already has comprehensive validation functions that should be reused in SqlClient:

```typescript
// Validates table exists in schema
validateTable(table: string | undefined): Schema

// Validates single column exists
validateColumn(schema: Schema, columnName: string): void

// Validates array of columns exist
validateColumns(schema: Schema, columnNames: string[]): void

// Validates all keys in an object are valid columns
validateObjectKeys(
  schema: Schema,
  obj: Record<string, unknown>,
  context: string
): void

// Ensures filters are not empty (prevents accidental full-table mutations)
requireFilters(filters: Record<string, unknown> | undefined): void

// Validates custom SQL tables
validateCustomTables(customTables: string[]): void

// Validates named placeholders in custom SQL
validateNamedPlaceholders(customSql: string): void

// Validates custom params match SQL placeholders
validateCustomParams(customSql: string, customParams: Record<string, unknown>): void
```

### 4. How cwc-sql Uses Validation

**In SQL generation functions** (`generateInsert.ts`, `generateUpdate.ts`, `generateDelete.ts`, `generateSelect.ts`):

1. **validateTable()** - Validates table exists at start of every generator
2. **validateColumns()** - Validates field names in filters, fields, sort
3. **validateObjectKeys()** - Validates all keys in values/filters objects are valid columns
4. **requireFilters()** - For UPDATE/DELETE, ensures filters aren't empty (security)
5. **validateValues()** - Custom validation of value constraints (min/max, regex, enums)

**Test file:** `packages/cwc-sql/src/__tests__/validation.test.ts` - Shows exactly how each function is tested

### 5. Key Architectural Insights

**Where validation currently happens:**

1. **In cwc-sql SQL generation** (`generateInsert.ts`, `generateUpdate.ts`, `generateDelete.ts`, `generateSelect.ts`):
   - Validates AFTER command reaches the SQL service
   - Returns HTTP error if validation fails
   - Errors are propagated back to calling service

2. **Issue with current architecture:**
   - Invalid column names only caught when query reaches cwc-sql
   - If SqlClient validates FIRST, errors can be caught earlier
   - Provides better error messages closer to the problem

**Patterns to follow in SqlClient:**

- Use same validation functions from cwc-sql (no duplication)
- Import `{ validateTable, validateColumns, validateObjectKeys, requireFilters }` from cwc-sql
- Import `{ getSchema }` from cwc-schema
- Throw errors immediately with clear messages
- Match error message format of cwc-sql validators

### 6. Required Files to Import

To implement validation in SqlClient, these imports would be needed:

```typescript
// From cwc-schema
import { getSchema } from 'cwc-schema';
import type { Schema } from 'cwc-schema';

// From cwc-sql (will need to be exported)
import { 
  validateTable, 
  validateColumns, 
  validateObjectKeys, 
  requireFilters 
} from 'cwc-sql/src/sql/validation';
```

### 7. Validation Points Summary Table

| Command | Parameters to Validate | Validation Type | Error Type |
|---------|------------------------|-----------------|----|
| `deleteCommand()` | `table` | Exists in schema | Required |
| `deleteCommand()` | `filters` keys | Valid columns in table | Required |
| `deleteCommand()` | `filters` non-empty | Prevent full-table delete | Required |
| `insertCommand()` | `table` | Exists in schema | Required |
| `insertCommand()` | `values` keys | Valid columns in table | Required |
| `selectCommand()` | `table` | Exists in schema | Required |
| `selectCommand()` | `fields` | Valid columns in table | Optional (if provided) |
| `selectCommand()` | `filters` keys | Valid columns in table | Optional (if provided) |
| `selectCommand()` | `sort[].fieldName` | Valid columns in table | Optional (if provided) |
| `updateCommand()` | `table` | Exists in schema | Required |
| `updateCommand()` | `values` keys | Valid columns in table | Required |
| `updateCommand()` | `filters` keys | Valid columns in table | Required |
| `updateCommand()` | `filters` non-empty | Prevent full-table update | Required |

This is comprehensive information ready for implementation planning!
agentId: a1e843b (for resuming to continue this agent's work if needed)

File created successfully at: /Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md

The file /Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   101→  ...Object.keys(options.filters)
   102→], 'values/filters');
   103→```
   104→
   105→## Decisions
   106→
   107→1. **Validation is always on** - runs in all environments (small performance cost is acceptable)
   108→2. **Add requireFilters safety check** - prevent accidental full-table updates/deletes
   109→
   110→## Files to Modify
   111→
   112→1. `packages/cwc-backend-utils/package.json` - add cwc-schema dependency
   113→2. `packages/cwc-backend-utils/src/SqlClient/SqlClient.ts` - add validation logic
   114→

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    69→  }
    70→}
    71→```
    72→
    73→**3. Add requireFilters helper**
    74→```typescript
    75→function requireFilters(
    76→  filters: Record<string, unknown> | undefined,
    77→  command: string
    78→): void {
    79→  if (!filters || Object.keys(filters).length === 0) {
    80→    throw new Error(`[SqlClient] ${command} requires non-empty filters to prevent full-table operation`);
    81→  }
    82→}
    83→```
    84→
    85→**4. Add validation to each command builder**
    86→
    87→`deleteCommand()`:
    88→```typescript
    89→requireFilters(options.filters, 'deleteCommand');
    90→validateTableAndColumns(options.table, Object.keys(options.filters), 'filters');
    91→```
    92→
    93→`insertCommand()`:
    94→```typescript
    95→validateTableAndColumns(options.table, Object.keys(options.values), 'values');
    96→```
    97→
    98→`selectCommand()`:
    99→```typescript
   100→if (!options.custom) {
   101→  const cols = [
   102→    ...(options.fields || []),
   103→    ...Object.keys(options.filters || {}),
   104→    ...(options.sort?.map(s => s.fieldName) || [])
   105→  ];
   106→  validateTableAndColumns(options.table, cols, 'fields/filters/sort');
   107→}
   108→```
   109→
   110→`updateCommand()`:
   111→```typescript
   112→requireFilters(options.filters, 'updateCommand');
   113→validateTableAndColumns(options.table, [
   114→  ...Object.keys(options.values),
   115→  ...Object.keys(options.filters)
   116→], 'values/filters');
   117→```
   118→
   119→## Decisions
   120→
   121→1. **Validation is always on** - runs in all environments (small performance cost is acceptable)

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    47→  "cwc-schema": "workspace:*"
    48→}
    49→```
    50→
    51→**2. Create validation helpers in SqlClient.ts**
    52→```typescript
    53→import { getSchema, type Schema } from 'cwc-schema';
    54→
    55→/**
    56→ * Validates table exists in schema, returns schema for further validation
    57→ */
    58→function validateTable(table: string): Schema {
    59→  const schema = getSchema(table);
    60→  if (!schema) {
    61→    throw new Error(`[SqlClient] Invalid table: "${table}"`);
    62→  }
    63→  return schema;
    64→}
    65→
    66→/**
    67→ * Validates each column exists in the schema
    68→ */
    69→function validateColumns(
    70→  schema: Schema,
    71→  columns: string[],
    72→  context: string
    73→): void {
    74→  for (const col of columns) {
    75→    if (!(col in schema.columns)) {
    76→      throw new Error(`[SqlClient] Invalid column "${col}" in table "${schema.name}" (${context})`);
    77→    }
    78→  }
    79→}
    80→
    81→/**
    82→ * Validates filters are non-empty (prevents full-table updates/deletes)
    83→ */
    84→function requireFilters(
    85→  filters: Record<string, unknown> | undefined,
    86→  command: string
    87→): void {
    88→  if (!filters || Object.keys(filters).length === 0) {
    89→    throw new Error(`[SqlClient] ${command} requires non-empty filters to prevent full-table operation`);
    90→  }
    91→}
    92→```
    93→
    94→**3. Add validation to each command builder**
    95→
    96→`deleteCommand()`:
    97→```typescript
    98→// Validate
    99→requireFilters(options.filters, 'deleteCommand');
   100→const schema = validateTable(options.table);
   101→validateColumns(schema, Object.keys(options.filters), 'filters');
   102→```
   103→
   104→`insertCommand()`:
   105→```typescript
   106→// Validate
   107→const schema = validateTable(options.table);
   108→validateColumns(schema, Object.keys(options.values), 'values');
   109→```
   110→
   111→`selectCommand()`:
   112→```typescript
   113→// Validate (skip for custom SQL)
   114→if (!options.custom) {
   115→  const schema = validateTable(options.table);
   116→  if (options.fields) {
   117→    validateColumns(schema, options.fields, 'fields');
   118→  }
   119→  if (options.filters) {
   120→    validateColumns(schema, Object.keys(options.filters), 'filters');
   121→  }
   122→  if (options.sort) {
   123→    validateColumns(schema, options.sort.map(s => s.fieldName), 'sort');
   124→  }
   125→}
   126→```
   127→
   128→`updateCommand()`:
   129→```typescript
   130→// Validate
   131→requireFilters(options.filters, 'updateCommand');
   132→const schema = validateTable(options.table);
   133→validateColumns(schema, Object.keys(options.values), 'values');
   134→validateColumns(schema, Object.keys(options.filters), 'filters');
   135→```
   136→
   137→## Decisions
   138→
   139→1. **Validation is always on** - runs in all environments (small performance cost is acceptable)

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    62→  }
    63→  return schema;
    64→}
    65→
    66→/**
    67→ * Validates each column exists in the schema
    68→ * Accepts either an array of column names or an object (extracts keys)
    69→ */
    70→function validateColumns(
    71→  schema: Schema,
    72→  columnsOrObject: string[] | Record<string, unknown>,
    73→  context: string
    74→): void {
    75→  const columns = Array.isArray(columnsOrObject)
    76→    ? columnsOrObject
    77→    : Object.keys(columnsOrObject);
    78→
    79→  for (const col of columns) {
    80→    if (!(col in schema.columns)) {
    81→      throw new Error(`[SqlClient] Invalid column "${col}" in table "${schema.name}" (${context})`);
    82→    }
    83→  }
    84→}
    85→
    86→/**
    87→ * Validates filters are non-empty (prevents full-table updates/deletes)
    88→ */

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    97→```
    98→
    99→**3. Add validation to each command builder**
   100→
   101→`deleteCommand()`:
   102→```typescript
   103→// Validate
   104→requireFilters(options.filters, 'deleteCommand');
   105→const schema = validateTable(options.table);
   106→validateColumns(schema, options.filters, 'filters');
   107→```
   108→
   109→`insertCommand()`:
   110→```typescript
   111→// Validate
   112→const schema = validateTable(options.table);
   113→validateColumns(schema, options.values, 'values');
   114→```
   115→
   116→`selectCommand()`:
   117→```typescript
   118→// Validate (skip for custom SQL)
   119→if (!options.custom) {
   120→  const schema = validateTable(options.table);
   121→  if (options.fields) {
   122→    validateColumns(schema, options.fields, 'fields');
   123→  }
   124→  if (options.filters) {
   125→    validateColumns(schema, options.filters, 'filters');
   126→  }
   127→  if (options.sort) {
   128→    validateColumns(schema, options.sort.map(s => s.fieldName), 'sort');
   129→  }
   130→}
   131→```
   132→
   133→`updateCommand()`:
   134→```typescript
   135→// Validate
   136→requireFilters(options.filters, 'updateCommand');
   137→const schema = validateTable(options.table);
   138→validateColumns(schema, options.values, 'values');
   139→validateColumns(schema, options.filters, 'filters');
   140→```
   141→
   142→## Decisions
   143→
   144→1. **Validation is always on** - runs in all environments (small performance cost is acceptable)

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    62→  }
    63→  return schema;
    64→}
    65→
    66→/**
    67→ * Validates each column exists in the schema
    68→ * Accepts:
    69→ *   - string[] (column names, e.g., options.fields)
    70→ *   - Record<string, unknown> (object keys, e.g., options.filters)
    71→ *   - { fieldName: string }[] (sort specs, e.g., options.sort)
    72→ */
    73→function validateColumns(
    74→  schema: Schema,
    75→  input: string[] | Record<string, unknown> | { fieldName: string }[],
    76→  context: string
    77→): void {
    78→  let columns: string[];
    79→
    80→  if (Array.isArray(input)) {
    81→    if (input.length > 0 && typeof input[0] === 'object' && 'fieldName' in input[0]) {
    82→      // Sort specification array - extract fieldName from each
    83→      columns = (input as { fieldName: string }[]).map(s => s.fieldName);
    84→    } else {
    85→      // String array - use directly
    86→      columns = input as string[];
    87→    }
    88→  } else {
    89→    // Object - extract keys
    90→    columns = Object.keys(input);
    91→  }
    92→
    93→  for (const col of columns) {
    94→    if (!(col in schema.columns)) {
    95→      throw new Error(`[SqlClient] Invalid column "${col}" in table "${schema.name}" (${context})`);
    96→    }
    97→  }
    98→}
    99→
   100→/**
   101→ * Validates filters are non-empty (prevents full-table updates/deletes)
   102→ */

The file /Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   126→const schema = validateTable(options.table);
   127→validateColumns(schema, options.values, 'values');
   128→```
   129→
   130→`selectCommand()`:
   131→```typescript
   132→// Validate (skip for custom SQL)
   133→if (!options.custom) {
   134→  const schema = validateTable(options.table);
   135→  if (options.fields) {
   136→    validateColumns(schema, options.fields, 'fields');
   137→  }
   138→  if (options.filters) {
   139→    validateColumns(schema, options.filters, 'filters');
   140→  }
   141→  if (options.sort) {
   142→    validateColumns(schema, options.sort, 'sort');
   143→  }
   144→}
   145→```
   146→
   147→`updateCommand()`:
   148→```typescript
   149→// Validate

{
  "todos": [
    {
      "content": "Add debugLog best practices to CLAUDE.md",
      "status": "completed",
      "activeForm": "Adding debugLog best practices to CLAUDE.md"
    },
    {
      "content": "Review PR #51 and produce a report",
      "status": "completed",
      "activeForm": "Reviewing PR #51"
    },
    {
      "content": "Add tech debt items for SqlClient typing and cwc-types/cwc-schema merge",
      "status": "completed",
      "activeForm": "Adding tech debt items"
    },
    {
      "content": "Implement: SqlClient schema validation",
      "status": "in_progress",
      "activeForm": "Implementing SqlClient schema validation"
    },
    {
      "content": "Plan: Add CONTENT_CACHE_ENABLED config toggle",
      "status": "pending",
      "activeForm": "Planning cache toggle config"
    },
    {
      "content": "Plan: Investigate QUERY_CACHE_ENABLED in cwc-sql",
      "status": "pending",
      "activeForm": "Planning query cache investigation"
    },
    {
      "content": "Plan: Identify other services with caching",
      "status": "pending",
      "activeForm": "Planning caching audit"
    },
    {
      "content": "Plan: Add debug logging to cwc-content",
      "status": "pending",
      "activeForm": "Planning cwc-content debug logging"
    },
    {
      "content": "Plan: Add debug logging to cwc-sql",
      "status": "pending",
      "activeForm": "Planning cwc-sql debug logging"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts"
}

     1→'use strict';
     2→
     3→import axios from 'axios';
     4→import type {
     5→  SqlClientType,
     6→  SqlClientMutationResponse,
     7→  SqlClientQueryResponse,
     8→  SqlClientMutationResult,
     9→  SqlClientOperation,
    10→  SqlClientCommand,
    11→  SqlClientExecuteOptions,
    12→  DeleteCommandOptions,
    13→  InsertCommandOptions,
    14→  SelectCommandOptions,
    15→  UpdateCommandOptions,
    16→  AddOperationOptions,
    17→  SqlClientOperationValues,
    18→  BackendServiceName,
    19→} from '../backendUtils.types';
    20→import { SqlClientKeysUtil } from '../SqlClientKeysUtil';
    21→import { BackendUtilsConfig, ILogger } from '../backendUtils.types';
    22→import { getErrorInfo } from '../getErrorInfo';
    23→
    24→const codeLocation = 'src/SqlClient/SqlClient.ts';
    25→
    26→// sqlClient.query(config, command) or sqlClient.mutate(config, command)
    27→// runs a 'batch' of operations
    28→// the results come back as an {object} with keys: 'operation-0', 'operation-1', ...
    29→// query: ['operation-0'] gets an [array of results] for the first operation
    30→// mutation: ['operation-0'] gets an {result object} for the first operation
    31→
    32→type SqlClientOptions = {
    33→  config: BackendUtilsConfig;
    34→  enableLogging: boolean;
    35→  logger: ILogger | undefined;
    36→  clientName: BackendServiceName;
    37→};
    38→
    39→export class SqlClient implements SqlClientType {
    40→  private config: BackendUtilsConfig;
    41→  private enableLogging: boolean;
    42→  private sqlClientKeysUtil: SqlClientKeysUtil;
    43→  private logger: ILogger | undefined;
    44→  // private clientName: BackendServiceName;
    45→
    46→  constructor({ config, enableLogging, logger, clientName }: SqlClientOptions) {
    47→    // this.clientName = clientName;
    48→    this.config = config;
    49→    this.enableLogging = enableLogging;
    50→    this.sqlClientKeysUtil = new SqlClientKeysUtil({ config, enableLogging, clientName });
    51→    this.logger = logger;
    52→  }
    53→
    54→  private debugLog(context: string, data: unknown): void {
    55→    if (!this.config.debugMode) return;
    56→    const prefix = `[SqlClient]:${context}]`;
    57→    console.log(prefix, data);
    58→  }
    59→
    60→  public async query({
    61→    userPkId,
    62→    command,
    63→  }: SqlClientExecuteOptions): Promise<SqlClientQueryResponse | undefined> {
    64→    this.debugLog('query', { userPkId, command: JSON.stringify(command, undefined, 2) });
    65→    try {
    66→      const apiToken = await this.sqlClientKeysUtil.getApiToken({
    67→        userPkId,
    68→      });
    69→      this.debugLog('query', { apiToken });
    70→      if (apiToken) {
    71→        const uri = `${this.config.dataUriInternal}/command`;
    72→        this.debugLog('query', { uri });
    73→        const axiosConfig = {
    74→          headers: { Authorization: `Bearer ${apiToken}` },
    75→          withCredentials: true,
    76→        };
    77→        this.debugLog('query', { axiosConfig });
    78→
    79→        const requestBody = { userPkId, command };
    80→        const result = await axios.post(uri, requestBody, axiosConfig);
    81→
    82→        const data = result?.data?.data;
    83→        this.debugLog('query', { data: JSON.stringify(data, undefined, 2) });
    84→
    85→        if (data) {
    86→          return data as SqlClientQueryResponse;
    87→        }
    88→      }
    89→      return;
    90→    } catch (error) {
    91→      this.debugLog('query - ERROR', { error: getErrorInfo(error) });
    92→      if (this.enableLogging) {
    93→        this.logger?.logError({
    94→          userPkId,
    95→          codeLocation,
    96→          message: 'query',
    97→          error: error as Error,
    98→        });
    99→      }
   100→      return;
   101→    }
   102→  }
   103→
   104→  public async mutate({
   105→    userPkId,
   106→    command,
   107→  }: SqlClientExecuteOptions): Promise<SqlClientMutationResponse | undefined> {
   108→    try {
   109→      const apiToken = await this.sqlClientKeysUtil.getApiToken({
   110→        userPkId,
   111→      });
   112→      if (apiToken) {
   113→        const uri = `${this.config.dataUriInternal}/command`;
   114→        // console.log('SqlClient.mutate 1', { uri });
   115→        const axiosConfig = {
   116→          headers: { Authorization: `Bearer ${apiToken}` },
   117→          withCredentials: true,
   118→        };
   119→        const requestBody = { userPkId, command };
   120→        const result = await axios.post(uri, requestBody, axiosConfig);
   121→        // console.log('SqlClient.mutate 3', { result });
   122→        const data = result?.data?.data;
   123→        if (data) {
   124→          return data as SqlClientMutationResponse;
   125→        }
   126→      }
   127→      return;
   128→    } catch (error) {
   129→      this.debugLog('mutate - ERROR', { error: getErrorInfo(error) });
   130→      if (this.enableLogging) {
   131→        this.logger?.logError({
   132→          userPkId,
   133→          codeLocation,
   134→          message: 'execute',
   135→          error: error as Error,
   136→        });
   137→      }
   138→      return;
   139→    }
   140→  }
   141→
   142→  // *************************************************************
   143→  // result helper functions
   144→  // *************************************************************
   145→
   146→  public getFirstResult<ResultType>(
   147→    response: SqlClientQueryResponse | undefined
   148→  ): ResultType | undefined {
   149→    if (!response) {
   150→      return;
   151→    }
   152→    return response?.['operation-0']?.[0] as ResultType;
   153→  }
   154→  public getSecondResult<ResultType>(
   155→    response: SqlClientQueryResponse | undefined
   156→  ): ResultType | undefined {
   157→    if (!response) {
   158→      return;
   159→    }
   160→    return response?.['operation-1']?.[0] as ResultType;
   161→  }
   162→
   163→  public getResult<ResultType>(
   164→    response: SqlClientQueryResponse | undefined,
   165→    name: string,
   166→    index: number
   167→  ): ResultType | undefined {
   168→    if (!response) {
   169→      return;
   170→    }
   171→    return response?.[name]?.[index] as ResultType;
   172→  }
   173→
   174→  public getFirstResults<ResultType>(response: SqlClientQueryResponse | undefined): ResultType[] {
   175→    if (!response) {
   176→      return [] as ResultType[];
   177→    }
   178→    return response?.['operation-0'] as ResultType[];
   179→  }
   180→
   181→  public getSecondResults<ResultType>(response: SqlClientQueryResponse | undefined): ResultType[] {
   182→    if (!response) {
   183→      return [] as ResultType[];
   184→    }
   185→    return response?.['operation-1'] as ResultType[];
   186→  }
   187→
   188→  public getResults<ResultType>(
   189→    response: SqlClientQueryResponse | undefined,
   190→    name: string
   191→  ): ResultType[] {
   192→    if (!response) {
   193→      return [] as ResultType[];
   194→    }
   195→    return response?.[name] as ResultType[];
   196→  }
   197→
   198→  public getInsertResult(
   199→    response: SqlClientMutationResponse | undefined,
   200→    operationName = 'operation-0'
   201→  ): boolean {
   202→    if (!response) {
   203→      return false;
   204→    }
   205→    // return true if 1 row was insterted
   206→    const result: SqlClientMutationResult | undefined = response?.[operationName];
   207→    const insertedRowCount = result?.affectedRows;
   208→    return insertedRowCount === 1;
   209→  }
   210→
   211→  public getInsertResultId(
   212→    response: SqlClientMutationResponse | undefined,
   213→    operationName = 'operation-0'
   214→  ): number | undefined {
   215→    if (!response) {
   216→      return;
   217→    }
   218→    // returns the insertId from the response
   219→    const result: SqlClientMutationResult | undefined = response?.[operationName];
   220→    return result?.insertId ?? undefined;
   221→  }
   222→
   223→  public getUpdateResult(
   224→    response: SqlClientMutationResponse | undefined,
   225→    operationName = 'operation-0'
   226→  ): boolean {
   227→    if (!response) {
   228→      return false;
   229→    }
   230→    // return true if 1+ row was updated
   231→    const result: SqlClientMutationResult | undefined = response?.[operationName];
   232→    const updatedRowCount = result?.changedRows ?? 0;
   233→    return updatedRowCount >= 1;
   234→  }
   235→
   236→  public getDeleteResult(
   237→    response: SqlClientMutationResponse | undefined,
   238→    operationName = 'operation-0'
   239→  ): boolean {
   240→    if (!response) {
   241→      return false;
   242→    }
   243→    // return true if 1+ row was deleted
   244→    const result: SqlClientMutationResult | undefined = response?.[operationName];
   245→    const deletedRowCount = result?.affectedRows ?? 0;
   246→    return deletedRowCount >= 1;
   247→  }
   248→
   249→  // *************************************************************
   250→  // command builder functions
   251→  // *************************************************************
   252→
   253→  public emptyCommand(transaction = false): SqlClientCommand {
   254→    return {
   255→      transaction,
   256→      filterCount: false,
   257→      operations: [],
   258→    };
   259→  }
   260→
   261→  public deleteCommand({ table, filters }: DeleteCommandOptions): SqlClientCommand {
   262→    // lookup the table in the schema
   263→    // filters - ensure each value is a valid field in the table
   264→    return {
   265→      transaction: false,
   266→      filterCount: false,
   267→      operations: [
   268→        {
   269→          operationType: 'delete',
   270→          table,
   271→          filters,
   272→        },
   273→      ],
   274→    };
   275→  }
   276→
   277→  // removes undefined values, may want to do more in the future...
   278→  private getValues(
   279→    providedValues: SqlClientOperationValues | undefined
   280→  ): SqlClientOperationValues {
   281→    if (!providedValues) {
   282→      return {};
   283→    }
   284→    const values: SqlClientOperationValues = Object.entries(providedValues).reduce(
   285→      (acc, [key, value]) => {
   286→        if (value !== undefined) {
   287→          acc[key] = value;
   288→        }
   289→        return acc;
   290→      },
   291→      {} as SqlClientOperationValues
   292→    );
   293→    return values;
   294→  }
   295→
   296→  public insertCommand({ table, values }: InsertCommandOptions): SqlClientCommand {
   297→    // lookup the table in the schema
   298→    // values - ensure each value is a valid field in the table
   299→    return {
   300→      transaction: false,
   301→      filterCount: false,
   302→      operations: [
   303→        {
   304→          operationType: 'insert',
   305→          table,
   306→          values: this.getValues(values),
   307→        },
   308→      ],
   309→    };
   310→  }
   311→
   312→  public selectCommand({
   313→    table,
   314→    filters,
   315→    fields,
   316→    sort,
   317→    limit,
   318→    custom,
   319→    filterCount,
   320→  }: SelectCommandOptions): SqlClientCommand {
   321→    // if not custom, lookup the table in the schema
   322→    // filters, fields, and sort - ensure each value is a valid field in the table
   323→
   324→    const operation: SqlClientOperation = {
   325→      operationType: 'select',
   326→      table,
   327→      filters,
   328→      fields,
   329→      sort,
   330→      limit,
   331→      custom,
   332→    };
   333→    return {
   334→      transaction: false,
   335→      filterCount: Boolean(filterCount),
   336→      operations: [operation],
   337→    };
   338→  }
   339→
   340→  public updateCommand({ table, values, filters }: UpdateCommandOptions): SqlClientCommand {
   341→    // lookup the table in the schema
   342→    // filters and values - ensure each value is a valid field in the table
   343→    return {
   344→      transaction: false,
   345→      filterCount: false,
   346→      operations: [
   347→        {
   348→          operationType: 'update',
   349→          table,
   350→          values: this.getValues(values),
   351→          filters,
   352→        },
   353→      ],
   354→    };
   355→  }
   356→
   357→  public addOperation(options: AddOperationOptions): SqlClientOperation | undefined {
   358→    const { command, table, operationType, operationDetails } = options;
   359→    const { name, values, filters, fields, sort, limit, custom } = operationDetails;
   360→
   361→    const { operations } = command ?? {};
   362→    if (!operations || !Array.isArray(operations)) {
   363→      return;
   364→    }
   365→    if (operationType === 'delete') {
   366→      operations.push({ operationType, table, name, filters, fields });
   367→    } else if (operationType === 'insert') {
   368→      operations.push({ operationType, table, name, values: this.getValues(values) });
   369→    } else if (operationType === 'select') {
   370→      operations.push({
   371→        operationType,
   372→        table,
   373→        name,
   374→        filters,
   375→        fields,
   376→        sort,
   377→        limit,
   378→        custom,
   379→      });
   380→    } else if (operationType === 'update') {
   381→      operations.push({ operationType, table, name, filters, values: this.getValues(values) });
   382→    }
   383→    return;
   384→  }
   385→}
   386→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "pattern": "export.*getSchema|export type Schema",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-schema/src",
  "output_mode": "content",
  "-n": true
}

packages/cwc-schema/src/index.ts:66:export const getSchema = (name: string): Schema | undefined => {
packages/cwc-schema/src/types.ts:5:export type SchemaColumn = {
packages/cwc-schema/src/types.ts:45:export type Schema = {

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/package.json"
}

     1→{
     2→  "name": "cwc-backend-utils",
     3→  "version": "1.0.0",
     4→  "description": "Backend utilities for CWC microservices (Node.js only)",
     5→  "type": "module",
     6→  "main": "./src/index.ts",
     7→  "types": "./src/index.ts",
     8→  "exports": {
     9→    ".": {
    10→      "types": "./src/index.ts",
    11→      "default": "./src/index.ts"
    12→    }
    13→  },
    14→  "scripts": {
    15→    "build": "tsc",
    16→    "typecheck": "tsc --noEmit"
    17→  },
    18→  "keywords": [
    19→    "cwc",
    20→    "backend",
    21→    "utilities",
    22→    "node"
    23→  ],
    24→  "author": "",
    25→  "license": "UNLICENSED",
    26→  "devDependencies": {
    27→    "@types/express": "^5.0.5",
    28→    "@types/jsonwebtoken": "^9.0.10",
    29→    "@types/uuid": "^9.0.0",
    30→    "typescript": "^5.4.0"
    31→  },
    32→  "dependencies": {
    33→    "axios": "^1.13.2",
    34→    "cwc-types": "workspace:^",
    35→    "dotenv": "^17.2.3",
    36→    "express": "^5.1.0",
    37→    "helmet": "^8.1.0",
    38→    "jsonwebtoken": "^9.0.2",
    39→    "rate-limiter-flexible": "^8.2.1",
    40→    "uuid": "^9.0.1"
    41→  }
    42→}
    43→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-schema/src/types.ts"
}

     1→'use strict';
     2→
     3→import { z } from 'zod';
     4→
     5→export type SchemaColumn = {
     6→  /** Primitive JavaScript/SQL type */
     7→  type: 'string' | 'number' | 'boolean' | 'object';
     8→
     9→  /** Actual column name in database table */
    10→  name: string;
    11→
    12→  /** Semantic type category (e.g., 'uuid', 'email', 'phone') for validation/documentation */
    13→  typename: string;
    14→
    15→  /** Whether this column is required (true) or optional (false/undefined) */
    16→  required?: boolean;
    17→
    18→  // String validation
    19→  minLength?: number;
    20→  maxLength?: number;
    21→  regex?: RegExp;
    22→  /** Allowed enum values for this column */
    23→  values?: string[];
    24→
    25→  // Number validation
    26→  minValue?: number;
    27→  /** Maximum value. If undefined, no maximum limit */
    28→  maxValue?: number;
    29→
    30→  /** Foreign key relationship metadata */
    31→  foreignKey?: {
    32→    table: string;
    33→    column: string;
    34→    onDelete?: 'CASCADE' | 'SET NULL' | 'RESTRICT';
    35→  };
    36→
    37→  /**
    38→   * Optional Zod validator for complex validation logic.
    39→   * When present, Zod validation is used instead of custom validation.
    40→   * Allows opt-in to Zod for complex cases while maintaining custom validation as default.
    41→   */
    42→  zodValidator?: z.ZodType<unknown>;
    43→};
    44→
    45→export type Schema = {
    46→  /** Table or view name */
    47→  name: string;
    48→
    49→  /** Schema type */
    50→  type: 'table' | 'view';
    51→
    52→  /** Schema version for migration tracking (optional) */
    53→  version?: string;
    54→
    55→  /** Primary key column name (undefined for views) */
    56→  pkid: string | undefined;
    57→
    58→  /** Column definitions */
    59→  columns: Record<string, SchemaColumn>;
    60→};
    61→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/package.json",
  "old_string": "\"dependencies\": {\n    \"axios\": \"^1.13.2\",\n    \"cwc-types\": \"workspace:^\",",
  "new_string": "\"dependencies\": {\n    \"axios\": \"^1.13.2\",\n    \"cwc-schema\": \"workspace:^\",\n    \"cwc-types\": \"workspace:^\","
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/package.json has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    28→    "@types/jsonwebtoken": "^9.0.10",
    29→    "@types/uuid": "^9.0.0",
    30→    "typescript": "^5.4.0"
    31→  },
    32→  "dependencies": {
    33→    "axios": "^1.13.2",
    34→    "cwc-schema": "workspace:^",
    35→    "cwc-types": "workspace:^",
    36→    "dotenv": "^17.2.3",
    37→    "express": "^5.1.0",
    38→    "helmet": "^8.1.0",
    39→    "jsonwebtoken": "^9.0.2",

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts",
  "old_string": "import axios from 'axios';\nimport type {\n  SqlClientType,\n  SqlClientMutationResponse,\n  SqlClientQueryResponse,\n  SqlClientMutationResult,\n  SqlClientOperation,\n  SqlClientCommand,\n  SqlClientExecuteOptions,\n  DeleteCommandOptions,\n  InsertCommandOptions,\n  SelectCommandOptions,\n  UpdateCommandOptions,\n  AddOperationOptions,\n  SqlClientOperationValues,\n  BackendServiceName,\n} from '../backendUtils.types';\nimport { SqlClientKeysUtil } from '../SqlClientKeysUtil';\nimport { BackendUtilsConfig, ILogger } from '../backendUtils.types';\nimport { getErrorInfo } from '../getErrorInfo';",
  "new_string": "import axios from 'axios';\nimport type {\n  SqlClientType,\n  SqlClientMutationResponse,\n  SqlClientQueryResponse,\n  SqlClientMutationResult,\n  SqlClientOperation,\n  SqlClientCommand,\n  SqlClientExecuteOptions,\n  DeleteCommandOptions,\n  InsertCommandOptions,\n  SelectCommandOptions,\n  UpdateCommandOptions,\n  AddOperationOptions,\n  SqlClientOperationValues,\n  BackendServiceName,\n} from '../backendUtils.types';\nimport { SqlClientKeysUtil } from '../SqlClientKeysUtil';\nimport { BackendUtilsConfig, ILogger } from '../backendUtils.types';\nimport { getErrorInfo } from '../getErrorInfo';\nimport { getSchema, type Schema } from 'cwc-schema';\n\n// *************************************************************\n// Schema Validation Helpers\n// *************************************************************\n\n/**\n * Validates table exists in schema, returns schema for further validation\n */\nfunction validateTable(table: string): Schema {\n  const schema = getSchema(table);\n  if (!schema) {\n    throw new Error(`[SqlClient] Invalid table: \"${table}\"`);\n  }\n  return schema;\n}\n\n/**\n * Validates each column exists in the schema\n * Accepts:\n *   - string[] (column names, e.g., options.fields)\n *   - Record<string, unknown> (object keys, e.g., options.filters)\n *   - { fieldName: string }[] (sort specs, e.g., options.sort)\n */\nfunction validateColumns(\n  schema: Schema,\n  input: string[] | Record<string, unknown> | { fieldName: string }[],\n  context: string\n): void {\n  let columns: string[];\n\n  if (Array.isArray(input)) {\n    if (input.length > 0 && typeof input[0] === 'object' && 'fieldName' in input[0]) {\n      // Sort specification array - extract fieldName from each\n      columns = (input as { fieldName: string }[]).map(s => s.fieldName);\n    } else {\n      // String array - use directly\n      columns = input as string[];\n    }\n  } else {\n    // Object - extract keys\n    columns = Object.keys(input);\n  }\n\n  for (const col of columns) {\n    if (!(col in schema.columns)) {\n      throw new Error(`[SqlClient] Invalid column \"${col}\" in table \"${schema.name}\" (${context})`);\n    }\n  }\n}\n\n/**\n * Validates filters are non-empty (prevents full-table updates/deletes)\n */\nfunction requireFilters(\n  filters: Record<string, unknown> | undefined,\n  command: string\n): void {\n  if (!filters || Object.keys(filters).length === 0) {\n    throw new Error(`[SqlClient] ${command} requires non-empty filters to prevent full-table operation`);\n  }\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→'use strict';
     2→
     3→import axios from 'axios';
     4→import type {
     5→  SqlClientType,
     6→  SqlClientMutationResponse,
     7→  SqlClientQueryResponse,
     8→  SqlClientMutationResult,
     9→  SqlClientOperation,
    10→  SqlClientCommand,
    11→  SqlClientExecuteOptions,
    12→  DeleteCommandOptions,
    13→  InsertCommandOptions,
    14→  SelectCommandOptions,
    15→  UpdateCommandOptions,
    16→  AddOperationOptions,
    17→  SqlClientOperationValues,
    18→  BackendServiceName,
    19→} from '../backendUtils.types';
    20→import { SqlClientKeysUtil } from '../SqlClientKeysUtil';
    21→import { BackendUtilsConfig, ILogger } from '../backendUtils.types';
    22→import { getErrorInfo } from '../getErrorInfo';
    23→import { getSchema, type Schema } from 'cwc-schema';
    24→
    25→// *************************************************************
    26→// Schema Validation Helpers
    27→// *************************************************************
    28→
    29→/**
    30→ * Validates table exists in schema, returns schema for further validation
    31→ */
    32→function validateTable(table: string): Schema {
    33→  const schema = getSchema(table);
    34→  if (!schema) {
    35→    throw new Error(`[SqlClient] Invalid table: "${table}"`);
    36→  }
    37→  return schema;
    38→}
    39→
    40→/**
    41→ * Validates each column exists in the schema
    42→ * Accepts:
    43→ *   - string[] (column names, e.g., options.fields)
    44→ *   - Record<string, unknown> (object keys, e.g., options.filters)
    45→ *   - { fieldName: string }[] (sort specs, e.g., options.sort)
    46→ */
    47→function validateColumns(
    48→  schema: Schema,
    49→  input: string[] | Record<string, unknown> | { fieldName: string }[],
    50→  context: string
    51→): void {
    52→  let columns: string[];
    53→
    54→  if (Array.isArray(input)) {
    55→    if (input.length > 0 && typeof input[0] === 'object' && 'fieldName' in input[0]) {
    56→      // Sort specification array - extract fieldName from each
    57→      columns = (input as { fieldName: string }[]).map(s => s.fieldName);
    58→    } else {
    59→      // String array - use directly
    60→      columns = input as string[];
    61→    }
    62→  } else {
    63→    // Object - extract keys
    64→    columns = Object.keys(input);
    65→  }
    66→
    67→  for (const col of columns) {
    68→    if (!(col in schema.columns)) {
    69→      throw new Error(`[SqlClient] Invalid column "${col}" in table "${schema.name}" (${context})`);
    70→    }
    71→  }
    72→}
    73→
    74→/**
    75→ * Validates filters are non-empty (prevents full-table updates/deletes)
    76→ */
    77→function requireFilters(
    78→  filters: Record<string, unknown> | undefined,
    79→  command: string
    80→): void {
    81→  if (!filters || Object.keys(filters).length === 0) {
    82→    throw new Error(`[SqlClient] ${command} requires non-empty filters to prevent full-table operation`);
    83→  }
    84→}
    85→
    86→const codeLocation = 'src/SqlClient/SqlClient.ts';
    87→
    88→// sqlClient.query(config, command) or sqlClient.mutate(config, command)

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts",
  "old_string": "  public deleteCommand({ table, filters }: DeleteCommandOptions): SqlClientCommand {\n    // lookup the table in the schema\n    // filters - ensure each value is a valid field in the table\n    return {\n      transaction: false,\n      filterCount: false,\n      operations: [\n        {\n          operationType: 'delete',\n          table,\n          filters,\n        },\n      ],\n    };\n  }",
  "new_string": "  public deleteCommand({ table, filters }: DeleteCommandOptions): SqlClientCommand {\n    // Validate\n    requireFilters(filters, 'deleteCommand');\n    const schema = validateTable(table);\n    validateColumns(schema, filters, 'filters');\n\n    return {\n      transaction: false,\n      filterCount: false,\n      operations: [\n        {\n          operationType: 'delete',\n          table,\n          filters,\n        },\n      ],\n    };\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   319→      operations: [],
   320→    };
   321→  }
   322→
   323→  public deleteCommand({ table, filters }: DeleteCommandOptions): SqlClientCommand {
   324→    // Validate
   325→    requireFilters(filters, 'deleteCommand');
   326→    const schema = validateTable(table);
   327→    validateColumns(schema, filters, 'filters');
   328→
   329→    return {
   330→      transaction: false,
   331→      filterCount: false,
   332→      operations: [
   333→        {
   334→          operationType: 'delete',
   335→          table,
   336→          filters,
   337→        },
   338→      ],
   339→    };
   340→  }
   341→
   342→  // removes undefined values, may want to do more in the future...
   343→  private getValues(
   344→    providedValues: SqlClientOperationValues | undefined

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts",
  "old_string": "  public insertCommand({ table, values }: InsertCommandOptions): SqlClientCommand {\n    // lookup the table in the schema\n    // values - ensure each value is a valid field in the table\n    return {\n      transaction: false,\n      filterCount: false,\n      operations: [\n        {\n          operationType: 'insert',\n          table,\n          values: this.getValues(values),\n        },\n      ],\n    };\n  }",
  "new_string": "  public insertCommand({ table, values }: InsertCommandOptions): SqlClientCommand {\n    // Validate\n    const schema = validateTable(table);\n    validateColumns(schema, values, 'values');\n\n    return {\n      transaction: false,\n      filterCount: false,\n      operations: [\n        {\n          operationType: 'insert',\n          table,\n          values: this.getValues(values),\n        },\n      ],\n    };\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   357→    );
   358→    return values;
   359→  }
   360→
   361→  public insertCommand({ table, values }: InsertCommandOptions): SqlClientCommand {
   362→    // Validate
   363→    const schema = validateTable(table);
   364→    validateColumns(schema, values, 'values');
   365→
   366→    return {
   367→      transaction: false,
   368→      filterCount: false,
   369→      operations: [
   370→        {
   371→          operationType: 'insert',
   372→          table,
   373→          values: this.getValues(values),
   374→        },
   375→      ],
   376→    };
   377→  }
   378→
   379→  public selectCommand({
   380→    table,
   381→    filters,

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts",
  "old_string": "  public selectCommand({\n    table,\n    filters,\n    fields,\n    sort,\n    limit,\n    custom,\n    filterCount,\n  }: SelectCommandOptions): SqlClientCommand {\n    // if not custom, lookup the table in the schema\n    // filters, fields, and sort - ensure each value is a valid field in the table\n\n    const operation: SqlClientOperation = {\n      operationType: 'select',\n      table,\n      filters,\n      fields,\n      sort,\n      limit,\n      custom,\n    };\n    return {\n      transaction: false,\n      filterCount: Boolean(filterCount),\n      operations: [operation],\n    };\n  }",
  "new_string": "  public selectCommand({\n    table,\n    filters,\n    fields,\n    sort,\n    limit,\n    custom,\n    filterCount,\n  }: SelectCommandOptions): SqlClientCommand {\n    // Validate (skip for custom SQL)\n    if (!custom) {\n      const schema = validateTable(table);\n      if (fields) {\n        validateColumns(schema, fields, 'fields');\n      }\n      if (filters) {\n        validateColumns(schema, filters, 'filters');\n      }\n      if (sort) {\n        validateColumns(schema, sort, 'sort');\n      }\n    }\n\n    const operation: SqlClientOperation = {\n      operationType: 'select',\n      table,\n      filters,\n      fields,\n      sort,\n      limit,\n      custom,\n    };\n    return {\n      transaction: false,\n      filterCount: Boolean(filterCount),\n      operations: [operation],\n    };\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   375→      ],
   376→    };
   377→  }
   378→
   379→  public selectCommand({
   380→    table,
   381→    filters,
   382→    fields,
   383→    sort,
   384→    limit,
   385→    custom,
   386→    filterCount,
   387→  }: SelectCommandOptions): SqlClientCommand {
   388→    // Validate (skip for custom SQL)
   389→    if (!custom) {
   390→      const schema = validateTable(table);
   391→      if (fields) {
   392→        validateColumns(schema, fields, 'fields');
   393→      }
   394→      if (filters) {
   395→        validateColumns(schema, filters, 'filters');
   396→      }
   397→      if (sort) {
   398→        validateColumns(schema, sort, 'sort');
   399→      }
   400→    }
   401→
   402→    const operation: SqlClientOperation = {
   403→      operationType: 'select',
   404→      table,
   405→      filters,
   406→      fields,
   407→      sort,
   408→      limit,
   409→      custom,
   410→    };
   411→    return {
   412→      transaction: false,
   413→      filterCount: Boolean(filterCount),
   414→      operations: [operation],
   415→    };
   416→  }
   417→
   418→  public updateCommand({ table, values, filters }: UpdateCommandOptions): SqlClientCommand {
   419→    // lookup the table in the schema
   420→    // filters and values - ensure each value is a valid field in the table

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts",
  "old_string": "  public updateCommand({ table, values, filters }: UpdateCommandOptions): SqlClientCommand {\n    // lookup the table in the schema\n    // filters and values - ensure each value is a valid field in the table\n    return {\n      transaction: false,\n      filterCount: false,\n      operations: [\n        {\n          operationType: 'update',\n          table,\n          values: this.getValues(values),\n          filters,\n        },\n      ],\n    };\n  }",
  "new_string": "  public updateCommand({ table, values, filters }: UpdateCommandOptions): SqlClientCommand {\n    // Validate\n    requireFilters(filters, 'updateCommand');\n    const schema = validateTable(table);\n    validateColumns(schema, values, 'values');\n    validateColumns(schema, filters, 'filters');\n\n    return {\n      transaction: false,\n      filterCount: false,\n      operations: [\n        {\n          operationType: 'update',\n          table,\n          values: this.getValues(values),\n          filters,\n        },\n      ],\n    };\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   414→      operations: [operation],
   415→    };
   416→  }
   417→
   418→  public updateCommand({ table, values, filters }: UpdateCommandOptions): SqlClientCommand {
   419→    // Validate
   420→    requireFilters(filters, 'updateCommand');
   421→    const schema = validateTable(table);
   422→    validateColumns(schema, values, 'values');
   423→    validateColumns(schema, filters, 'filters');
   424→
   425→    return {
   426→      transaction: false,
   427→      filterCount: false,
   428→      operations: [
   429→        {
   430→          operationType: 'update',
   431→          table,
   432→          values: this.getValues(values),
   433→          filters,
   434→        },
   435→      ],
   436→    };
   437→  }
   438→
   439→  public addOperation(options: AddOperationOptions): SqlClientOperation | undefined {
   440→    const { command, table, operationType, operationDetails } = options;
   441→    const { name, values, filters, fields, sort, limit, custom } = operationDetails;

{
  "command": "pnpm install && pnpm --filter cwc-backend-utils typecheck",
  "description": "Install deps and typecheck cwc-backend-utils",
  "timeout": 120000
}

{
  "pattern": "type DeleteCommandOptions|type InsertCommandOptions|type UpdateCommandOptions",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src",
  "output_mode": "content",
  "-n": true,
  "-A": 5
}

packages/cwc-backend-utils/src/backendUtils.types.ts:156:export type DeleteCommandOptions = Omit<
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-157-  SqlClientOperation,
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-158-  'operationType' | 'fields' | 'values' | 'sort' | 'limit' | 'custom'
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-159->;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-160-
packages/cwc-backend-utils/src/backendUtils.types.ts:161:export type InsertCommandOptions = Omit<
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-162-  SqlClientOperation,
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-163-  'operationType' | 'fields' | 'filters' | 'sort' | 'limit' | 'custom'
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-164->;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-165-
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-166-export type SelectCommandOptions = Omit<SqlClientOperation, 'operationType' | 'values'>;
--
packages/cwc-backend-utils/src/backendUtils.types.ts:168:export type UpdateCommandOptions = Omit<
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-169-  SqlClientOperation,
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-170-  'operationType' | 'fields' | 'sort' | 'limit' | 'custom'
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-171->;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-172-
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-173-export type OperationDetails = Omit<SqlClientOperation, 'table' | 'operationType'>;

{
  "pattern": "type SqlClientOperation",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src",
  "output_mode": "content",
  "-n": true,
  "-A": 15
}

packages/cwc-backend-utils/src/backendUtils.types.ts:46:export type SqlClientOperationType = 'delete' | 'insert' | 'select' | 'update';
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-47-
packages/cwc-backend-utils/src/backendUtils.types.ts:48:export type SqlClientOperationName = string;
packages/cwc-backend-utils/src/backendUtils.types.ts:49:export type SqlClientOperationTable = string;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-50-
packages/cwc-backend-utils/src/backendUtils.types.ts:51:export type SqlClientOperationFilters = {
packages/cwc-backend-utils/src/backendUtils.types.ts-52-  [key: string]: string | number | boolean | number[];
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-53-};
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-54-
packages/cwc-backend-utils/src/backendUtils.types.ts:55:export type SqlClientOperationFields = string[] | undefined;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-56-
packages/cwc-backend-utils/src/backendUtils.types.ts:57:export type SqlClientOperationValues = {
packages/cwc-backend-utils/src/backendUtils.types.ts-58-  [key: string]: string | number | boolean | undefined | unknown | unknown[];
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-59-};
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-60-
packages/cwc-backend-utils/src/backendUtils.types.ts:61:export type SqlClientOperationSortItem = {
packages/cwc-backend-utils/src/backendUtils.types.ts-62-  fieldName: string;
packages/cwc-backend-utils/src/backendUtils.types.ts-63-  direction?: string;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-64-};
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-65-
packages/cwc-backend-utils/src/backendUtils.types.ts:66:export type SqlClientOperationSort = SqlClientOperationSortItem[];
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-67-
packages/cwc-backend-utils/src/backendUtils.types.ts:68:export type SqlClientOperationLimit = {
packages/cwc-backend-utils/src/backendUtils.types.ts-69-  recordCount: number;
packages/cwc-backend-utils/src/backendUtils.types.ts-70-  startIndex: number;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-71-};
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-72-
packages/cwc-backend-utils/src/backendUtils.types.ts:73:export type SqlClientOperationCustomSql = string;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-74-
packages/cwc-backend-utils/src/backendUtils.types.ts:75:export type SqlClientOperationCustomParam = string | number | boolean;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-76-
packages/cwc-backend-utils/src/backendUtils.types.ts:77:export type SqlClientOperationCustomParams = {
packages/cwc-backend-utils/src/backendUtils.types.ts-78-  [key: string]: SqlClientOperationCustomParam;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-79-};
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-80-
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-81-// **********************************
packages/cwc-backend-utils/src/backendUtils.types.ts-82-/ sort example:
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-83-// **********************************
packages/cwc-backend-utils/src/backendUtils.types.ts-84-/ const sort = [ {fieldName: 'username', direction: 'ASC' }, {fieldName: 'groupName', direction: 'DESC' }];
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-85-
packages/cwc-backend-utils/src/backendUtils.types.ts:86:export type SqlClientOperationCustom = {
packages/cwc-backend-utils/src/backendUtils.types.ts-87-  customSql: SqlClientOperationCustomSql;
packages/cwc-backend-utils/src/backendUtils.types.ts-88-  customParams: SqlClientOperationCustomParams;
packages/cwc-backend-utils/src/backendUtils.types.ts-89-  customTables: SqlClientOperationTable[];
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-90-};
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-91-
packages/cwc-backend-utils/src/backendUtils.types.ts:92:export type SqlClientOperation = {
packages/cwc-backend-utils/src/backendUtils.types.ts-93-  operationType: SqlClientOperationType;
packages/cwc-backend-utils/src/backendUtils.types.ts-94-  name?: SqlClientOperationName | undefined;
packages/cwc-backend-utils/src/backendUtils.types.ts-95-  table: SqlClientOperationTable | undefined;
packages/cwc-backend-utils/src/backendUtils.types.ts-96-  fields?: SqlClientOperationFields | undefined;
packages/cwc-backend-utils/src/backendUtils.types.ts-97-  filters?: SqlClientOperationFilters | undefined;
packages/cwc-backend-utils/src/backendUtils.types.ts-98-  values?: SqlClientOperationValues | undefined;
packages/cwc-backend-utils/src/backendUtils.types.ts-99-  sort?: SqlClientOperationSort | undefined;
packages/cwc-backend-utils/src/backendUtils.types.ts-100-  limit?: SqlClientOperationLimit | undefined;
packages/cwc-backend-utils/src/backendUtils.types.ts-101-  custom?: SqlClientOperationCustom | undefined;
packages/cwc-backend-utils/src/backendUtils.types.ts-102-  filterCount?: boolean | undefined; // return a count of records matching filters
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-103-};
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-104-
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-105-export type SqlClientSchemaOptions = {
packages/cwc-backend-utils/src/backendUtils.types.ts-106-  userPkId: number | undefined;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/backendUtils.types.ts-107-};

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts",
  "old_string": "  public deleteCommand({ table, filters }: DeleteCommandOptions): SqlClientCommand {\n    // Validate\n    requireFilters(filters, 'deleteCommand');\n    const schema = validateTable(table);\n    validateColumns(schema, filters, 'filters');\n\n    return {",
  "new_string": "  public deleteCommand({ table, filters }: DeleteCommandOptions): SqlClientCommand {\n    // Validate required parameters\n    if (!table) {\n      throw new Error('[SqlClient] deleteCommand requires table');\n    }\n    if (!filters) {\n      throw new Error('[SqlClient] deleteCommand requires filters');\n    }\n    requireFilters(filters, 'deleteCommand');\n    const schema = validateTable(table);\n    validateColumns(schema, filters, 'filters');\n\n    return {"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   319→      operations: [],
   320→    };
   321→  }
   322→
   323→  public deleteCommand({ table, filters }: DeleteCommandOptions): SqlClientCommand {
   324→    // Validate required parameters
   325→    if (!table) {
   326→      throw new Error('[SqlClient] deleteCommand requires table');
   327→    }
   328→    if (!filters) {
   329→      throw new Error('[SqlClient] deleteCommand requires filters');
   330→    }
   331→    requireFilters(filters, 'deleteCommand');
   332→    const schema = validateTable(table);
   333→    validateColumns(schema, filters, 'filters');
   334→
   335→    return {
   336→      transaction: false,
   337→      filterCount: false,
   338→      operations: [
   339→        {

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts",
  "old_string": "  public deleteCommand({ table, filters }: DeleteCommandOptions): SqlClientCommand {\n    // Validate required parameters\n    if (!table) {\n      throw new Error('[SqlClient] deleteCommand requires table');\n    }\n    if (!filters) {\n      throw new Error('[SqlClient] deleteCommand requires filters');\n    }\n    requireFilters(filters, 'deleteCommand');\n    const schema = validateTable(table);\n    validateColumns(schema, filters, 'filters');\n\n    return {\n      transaction: false,\n      filterCount: false,\n      operations: [\n        {\n          operationType: 'delete',\n          table,\n          filters,\n        },\n      ],\n    };\n  }",
  "new_string": "  public deleteCommand({ table, filters }: DeleteCommandOptions): SqlClientCommand {\n    // Validate required parameters\n    if (!table) {\n      throw new Error('[SqlClient] deleteCommand requires table');\n    }\n    requireFilters(filters, 'deleteCommand');\n    // TypeScript: filters is defined after requireFilters (throws if undefined/empty)\n    const schema = validateTable(table);\n    validateColumns(schema, filters!, 'filters');\n\n    return {\n      transaction: false,\n      filterCount: false,\n      operations: [\n        {\n          operationType: 'delete',\n          table,\n          filters,\n        },\n      ],\n    };\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   319→      operations: [],
   320→    };
   321→  }
   322→
   323→  public deleteCommand({ table, filters }: DeleteCommandOptions): SqlClientCommand {
   324→    // Validate required parameters
   325→    if (!table) {
   326→      throw new Error('[SqlClient] deleteCommand requires table');
   327→    }
   328→    requireFilters(filters, 'deleteCommand');
   329→    // TypeScript: filters is defined after requireFilters (throws if undefined/empty)
   330→    const schema = validateTable(table);
   331→    validateColumns(schema, filters!, 'filters');
   332→
   333→    return {
   334→      transaction: false,
   335→      filterCount: false,
   336→      operations: [
   337→        {
   338→          operationType: 'delete',
   339→          table,
   340→          filters,
   341→        },
   342→      ],
   343→    };
   344→  }
   345→
   346→  // removes undefined values, may want to do more in the future...
   347→  private getValues(
   348→    providedValues: SqlClientOperationValues | undefined

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts",
  "old_string": "  public insertCommand({ table, values }: InsertCommandOptions): SqlClientCommand {\n    // Validate\n    const schema = validateTable(table);\n    validateColumns(schema, values, 'values');\n\n    return {\n      transaction: false,\n      filterCount: false,\n      operations: [\n        {\n          operationType: 'insert',\n          table,\n          values: this.getValues(values),\n        },\n      ],\n    };\n  }",
  "new_string": "  public insertCommand({ table, values }: InsertCommandOptions): SqlClientCommand {\n    // Validate required parameters\n    if (!table) {\n      throw new Error('[SqlClient] insertCommand requires table');\n    }\n    if (!values) {\n      throw new Error('[SqlClient] insertCommand requires values');\n    }\n    const schema = validateTable(table);\n    validateColumns(schema, values, 'values');\n\n    return {\n      transaction: false,\n      filterCount: false,\n      operations: [\n        {\n          operationType: 'insert',\n          table,\n          values: this.getValues(values),\n        },\n      ],\n    };\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   361→    );
   362→    return values;
   363→  }
   364→
   365→  public insertCommand({ table, values }: InsertCommandOptions): SqlClientCommand {
   366→    // Validate required parameters
   367→    if (!table) {
   368→      throw new Error('[SqlClient] insertCommand requires table');
   369→    }
   370→    if (!values) {
   371→      throw new Error('[SqlClient] insertCommand requires values');
   372→    }
   373→    const schema = validateTable(table);
   374→    validateColumns(schema, values, 'values');
   375→
   376→    return {
   377→      transaction: false,
   378→      filterCount: false,
   379→      operations: [
   380→        {
   381→          operationType: 'insert',
   382→          table,
   383→          values: this.getValues(values),
   384→        },
   385→      ],
   386→    };
   387→  }
   388→
   389→  public selectCommand({
   390→    table,
   391→    filters,

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts",
  "offset": 389,
  "limit": 90
}

   389→  public selectCommand({
   390→    table,
   391→    filters,
   392→    fields,
   393→    sort,
   394→    limit,
   395→    custom,
   396→    filterCount,
   397→  }: SelectCommandOptions): SqlClientCommand {
   398→    // Validate (skip for custom SQL)
   399→    if (!custom) {
   400→      const schema = validateTable(table);
   401→      if (fields) {
   402→        validateColumns(schema, fields, 'fields');
   403→      }
   404→      if (filters) {
   405→        validateColumns(schema, filters, 'filters');
   406→      }
   407→      if (sort) {
   408→        validateColumns(schema, sort, 'sort');
   409→      }
   410→    }
   411→
   412→    const operation: SqlClientOperation = {
   413→      operationType: 'select',
   414→      table,
   415→      filters,
   416→      fields,
   417→      sort,
   418→      limit,
   419→      custom,
   420→    };
   421→    return {
   422→      transaction: false,
   423→      filterCount: Boolean(filterCount),
   424→      operations: [operation],
   425→    };
   426→  }
   427→
   428→  public updateCommand({ table, values, filters }: UpdateCommandOptions): SqlClientCommand {
   429→    // Validate
   430→    requireFilters(filters, 'updateCommand');
   431→    const schema = validateTable(table);
   432→    validateColumns(schema, values, 'values');
   433→    validateColumns(schema, filters, 'filters');
   434→
   435→    return {
   436→      transaction: false,
   437→      filterCount: false,
   438→      operations: [
   439→        {
   440→          operationType: 'update',
   441→          table,
   442→          values: this.getValues(values),
   443→          filters,
   444→        },
   445→      ],
   446→    };
   447→  }
   448→
   449→  public addOperation(options: AddOperationOptions): SqlClientOperation | undefined {
   450→    const { command, table, operationType, operationDetails } = options;
   451→    const { name, values, filters, fields, sort, limit, custom } = operationDetails;
   452→
   453→    const { operations } = command ?? {};
   454→    if (!operations || !Array.isArray(operations)) {
   455→      return;
   456→    }
   457→    if (operationType === 'delete') {
   458→      operations.push({ operationType, table, name, filters, fields });
   459→    } else if (operationType === 'insert') {
   460→      operations.push({ operationType, table, name, values: this.getValues(values) });
   461→    } else if (operationType === 'select') {
   462→      operations.push({
   463→        operationType,
   464→        table,
   465→        name,
   466→        filters,
   467→        fields,
   468→        sort,
   469→        limit,
   470→        custom,
   471→      });
   472→    } else if (operationType === 'update') {
   473→      operations.push({ operationType, table, name, filters, values: this.getValues(values) });
   474→    }
   475→    return;
   476→  }
   477→}
   478→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "command": "pnpm --filter cwc-backend-utils typecheck 2>&1",
  "description": "Run typecheck on cwc-backend-utils"
}

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts",
  "old_string": "  public selectCommand({\n    table,\n    filters,\n    fields,\n    sort,\n    limit,\n    custom,\n    filterCount,\n  }: SelectCommandOptions): SqlClientCommand {\n    // Validate (skip for custom SQL)\n    if (!custom) {\n      const schema = validateTable(table);\n      if (fields) {\n        validateColumns(schema, fields, 'fields');\n      }\n      if (filters) {\n        validateColumns(schema, filters, 'filters');\n      }\n      if (sort) {\n        validateColumns(schema, sort, 'sort');\n      }\n    }",
  "new_string": "  public selectCommand({\n    table,\n    filters,\n    fields,\n    sort,\n    limit,\n    custom,\n    filterCount,\n  }: SelectCommandOptions): SqlClientCommand {\n    // Validate (skip for custom SQL)\n    if (!custom) {\n      if (!table) {\n        throw new Error('[SqlClient] selectCommand requires table when not using custom SQL');\n      }\n      const schema = validateTable(table);\n      if (fields) {\n        validateColumns(schema, fields, 'fields');\n      }\n      if (filters) {\n        validateColumns(schema, filters, 'filters');\n      }\n      if (sort) {\n        validateColumns(schema, sort, 'sort');\n      }\n    }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   385→      ],
   386→    };
   387→  }
   388→
   389→  public selectCommand({
   390→    table,
   391→    filters,
   392→    fields,
   393→    sort,
   394→    limit,
   395→    custom,
   396→    filterCount,
   397→  }: SelectCommandOptions): SqlClientCommand {
   398→    // Validate (skip for custom SQL)
   399→    if (!custom) {
   400→      if (!table) {
   401→        throw new Error('[SqlClient] selectCommand requires table when not using custom SQL');
   402→      }
   403→      const schema = validateTable(table);
   404→      if (fields) {
   405→        validateColumns(schema, fields, 'fields');
   406→      }
   407→      if (filters) {
   408→        validateColumns(schema, filters, 'filters');
   409→      }
   410→      if (sort) {
   411→        validateColumns(schema, sort, 'sort');
   412→      }
   413→    }
   414→
   415→    const operation: SqlClientOperation = {
   416→      operationType: 'select',
   417→      table,

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts",
  "old_string": "  public updateCommand({ table, values, filters }: UpdateCommandOptions): SqlClientCommand {\n    // Validate\n    requireFilters(filters, 'updateCommand');\n    const schema = validateTable(table);\n    validateColumns(schema, values, 'values');\n    validateColumns(schema, filters, 'filters');",
  "new_string": "  public updateCommand({ table, values, filters }: UpdateCommandOptions): SqlClientCommand {\n    // Validate required parameters\n    if (!table) {\n      throw new Error('[SqlClient] updateCommand requires table');\n    }\n    if (!values) {\n      throw new Error('[SqlClient] updateCommand requires values');\n    }\n    requireFilters(filters, 'updateCommand');\n    // TypeScript: filters is defined after requireFilters (throws if undefined/empty)\n    const schema = validateTable(table);\n    validateColumns(schema, values, 'values');\n    validateColumns(schema, filters!, 'filters');"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils/src/SqlClient/SqlClient.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   427→      operations: [operation],
   428→    };
   429→  }
   430→
   431→  public updateCommand({ table, values, filters }: UpdateCommandOptions): SqlClientCommand {
   432→    // Validate required parameters
   433→    if (!table) {
   434→      throw new Error('[SqlClient] updateCommand requires table');
   435→    }
   436→    if (!values) {
   437→      throw new Error('[SqlClient] updateCommand requires values');
   438→    }
   439→    requireFilters(filters, 'updateCommand');
   440→    // TypeScript: filters is defined after requireFilters (throws if undefined/empty)
   441→    const schema = validateTable(table);
   442→    validateColumns(schema, values, 'values');
   443→    validateColumns(schema, filters!, 'filters');
   444→
   445→    return {
   446→      transaction: false,
   447→      filterCount: false,

{
  "command": "pnpm --filter cwc-backend-utils typecheck 2>&1",
  "description": "Run typecheck on cwc-backend-utils"
}

> cwc-backend-utils@1.0.0 typecheck /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-backend-utils
> tsc --noEmit

{
  "command": "pnpm install --filter cwc-backend-utils 2>&1 | tail -10",
  "description": "Install dependencies for cwc-backend-utils"
}

Lockfile is up to date, resolution step is skipped
Done in 294ms

{
  "pattern": "packages/cwc-backend-utils/**/*.test.ts"
}

No files found

{
  "command": "pnpm --filter cwc-api typecheck 2>&1",
  "description": "Run typecheck on cwc-api"
}

> cwc-api@1.0.0 typecheck /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-api
> tsc --noEmit

{
  "command": "pnpm --filter cwc-content typecheck 2>&1 && echo \"---\" && pnpm --filter cwc-auth typecheck 2>&1",
  "description": "Run typecheck on cwc-content and cwc-auth"
}

> cwc-content@1.0.0 typecheck /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content
> tsc --noEmit

---

> cwc-auth@1.0.0 typecheck /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-auth
> tsc --noEmit

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/documents/cwc-tech-debt.md"
}

     1→# CWC Technical Debt Tracker
     2→
     3→This file tracks technical debt, future improvements, and enhancement ideas identified during planning and development sessions. Items are captured here to avoid scope creep while preserving valuable insights for future work.
     4→
     5→---
     6→
     7→## How to Use This File
     8→
     9→**When to Add Items:**
    10→- During planning sessions when enhancements are identified but deferred
    11→- When implementing a feature and recognizing a better long-term solution
    12→- When discovering patterns that could be improved across the codebase
    13→- When a quick fix is implemented with awareness of a better approach
    14→
    15→**Item Format:**
    16→```markdown
    17→### [Category] Short Title
    18→**Session:** XXX | **Priority:** Low/Medium/High | **Effort:** Small/Medium/Large
    19→
    20→Description of the improvement or technical debt.
    21→
    22→**Current State:** What exists now
    23→**Desired State:** What should exist
    24→**Benefit:** Why this matters
    25→```
    26→
    27→---
    28→
    29→## Future Enhancements
    30→
    31→### [CodingSessionEditor] AI Agent for Sensitive Data Detection
    32→
    33→**Session:** 044 | **Priority:** Medium | **Effort:** Large
    34→
    35→Implement an AI agent to help project owners scan CwcSessionData files for sensitive information beyond what regex patterns can detect.
    36→
    37→**Current State:** Local regex patterns for common sensitive data (API keys, emails, JWT tokens, paths, IPs, env variables)
    38→
    39→**Desired State:** Optional AI-powered scan button that:
    40→- Analyzes conversation context to identify potentially sensitive information
    41→- Detects secrets mentioned in natural language (e.g., "the password is xyz123")
    42→- Identifies project-specific sensitive patterns based on context
    43→- Suggests which content blocks may need redaction
    44→- Learns from user confirmations to improve detection
    45→
    46→**Benefit:**
    47→- More thorough detection than regex alone
    48→- Context-aware identification (regex can't understand semantics)
    49→- Reduces risk of accidentally publishing sensitive information
    50→- Builds institutional knowledge of what's sensitive per project
    51→
    52→**Implementation Notes:**
    53→- Could use Claude API with specialized prompts
    54→- Would need rate limiting / cost controls
    55→- Should be optional (user-triggered, not automatic)
    56→- Results should be highlighted in the editor for user review
    57→
    58→---
    59→
    60→### [Image Support] Cloudflare Images for Scale
    61→
    62→**Session:** 047 | **Priority:** Low | **Effort:** Medium
    63→
    64→Consider migrating to Cloudflare Images when image bandwidth becomes significant or responsive images are needed.
    65→
    66→**Current State:** Images optimized to WebP at import time using sharp, served via Cloudflare CDN with long-term cache headers (1 year, immutable).
    67→
    68→**Desired State:** Use Cloudflare Images ($5/month) for:
    69→- Automatic WebP conversion (could remove sharp dependency from cwc-session-importer)
    70→- Responsive resizing (serve different sizes based on viewport)
    71→- 100K images included per month
    72→- Automatic optimization and compression
    73→
    74→**Benefit:**
    75→- Reduced build complexity (no sharp dependency)
    76→- Better mobile experience with responsive images
    77→- Lower bandwidth costs at scale
    78→- CDN-level image optimization
    79→
    80→**When to Consider:**
    81→- If image bandwidth becomes significant
    82→- If we need responsive images for mobile
    83→- If sharp becomes a maintenance burden
    84→- If hitting 1000+ images and want professional image management
    85→
    86→**Implementation Notes:**
    87→- Would change upload flow: send to Cloudflare Images API instead of cwc-storage
    88→- cwc-content image endpoint would become a redirect or proxy to Cloudflare
    89→- Image URLs would change format (Cloudflare uses their own CDN URLs)
    90→- Could be a gradual migration - new images to Cloudflare, old ones remain in cwc-storage
    91→
    92→---
    93→
    94→## Technical Debt
    95→
    96→### [SqlClient] Runtime Schema Validation for Query Parameters
    97→
    98→**Session:** 048 | **Priority:** High | **Effort:** Medium
    99→
   100→SqlClient queries can contain invalid column names that only fail at runtime when the SQL executes. This causes hard-to-debug errors.
   101→
   102→**Current State:** SqlClient accepts any string for table names, column names, and field references. Invalid names (typos, non-existent columns) only fail when cwc-sql executes the query against MariaDB.
   103→
   104→**Desired State:** SqlClient validates parameters against cwc-schema before generating SQL:
   105→- Validate table name exists in schema
   106→- Validate column names in `columns`, `where`, `orderBy`, `groupBy` exist for the table
   107→- Validate data keys in `insertCommand`/`updateCommand` match actual column names
   108→- Fail fast with clear error message identifying the invalid reference
   109→
   110→**Benefit:**
   111→- Catch errors at development time, not runtime
   112→- Clear error messages pointing to the exact invalid reference
   113→- Prevents debugging sessions hunting for typos in column names
   114→- Leverages existing cwc-schema definitions
   115→
   116→**Implementation Notes:**
   117→- cwc-backend-utils SqlClient would need to import from cwc-schema
   118→- Validation could be optional (enabled in dev/test, disabled in prod for performance)
   119→- See comments in `packages/cwc-backend-utils/src/SqlClient/SqlClient.ts` for specific validation points
   120→
   121→---
   122→
   123→### [Types/Schema] Research Merging cwc-types and cwc-schema Packages
   124→
   125→**Session:** 048 | **Priority:** Medium | **Effort:** Large
   126→
   127→cwc-types and cwc-schema have overlapping responsibilities that could be consolidated to enforce types more effectively and eliminate duplication.
   128→
   129→**Current State:**
   130→- `cwc-types` defines TypeScript entity types (CwcProject, CwcUser, etc.)
   131→- `cwc-schema` defines database schema metadata (table structures, column definitions)
   132→- Entity types and schema definitions are maintained separately
   133→- No automatic validation that types match schema
   134→
   135→**Desired State:** Research whether merging these packages would:
   136→- Generate TypeScript types from schema definitions (single source of truth)
   137→- Enable compile-time validation of SqlClient queries against actual types
   138→- Reduce maintenance burden of keeping types and schema in sync
   139→- Provide better type inference for query results
   140→
   141→**Benefit:**
   142→- Single source of truth for entity definitions
   143→- Automatic type generation reduces manual maintenance
   144→- Stronger type safety for database operations
   145→- Eliminates possibility of types and schema drifting out of sync
   146→
   147→**Research Questions:**
   148→- What's the best approach: generate types from schema, or schema from types?
   149→- How would this affect existing package consumers?
   150→- What's the migration path for current code?
   151→- Are there existing tools (like Drizzle, Prisma schema) that solve this?
   152→
   153→---
   154→
   155→## Code Quality Improvements
   156→
   157→_(No items yet)_
   158→
   159→---
   160→
   161→## Performance Optimizations
   162→
   163→_(No items yet)_
   164→
   165→---
   166→
   167→## Documentation Improvements
   168→
   169→_(No items yet)_
   170→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/documents/cwc-tech-debt.md",
  "old_string": "## Technical Debt\n\n### [SqlClient] Runtime Schema Validation for Query Parameters\n\n**Session:** 048 | **Priority:** High | **Effort:** Medium\n\nSqlClient queries can contain invalid column names that only fail at runtime when the SQL executes. This causes hard-to-debug errors.\n\n**Current State:** SqlClient accepts any string for table names, column names, and field references. Invalid names (typos, non-existent columns) only fail when cwc-sql executes the query against MariaDB.\n\n**Desired State:** SqlClient validates parameters against cwc-schema before generating SQL:\n- Validate table name exists in schema\n- Validate column names in `columns`, `where`, `orderBy`, `groupBy` exist for the table\n- Validate data keys in `insertCommand`/`updateCommand` match actual column names\n- Fail fast with clear error message identifying the invalid reference\n\n**Benefit:**\n- Catch errors at development time, not runtime\n- Clear error messages pointing to the exact invalid reference\n- Prevents debugging sessions hunting for typos in column names\n- Leverages existing cwc-schema definitions\n\n**Implementation Notes:**\n- cwc-backend-utils SqlClient would need to import from cwc-schema\n- Validation could be optional (enabled in dev/test, disabled in prod for performance)\n- See comments in `packages/cwc-backend-utils/src/SqlClient/SqlClient.ts` for specific validation points\n\n---\n\n### [Types/Schema] Research Merging cwc-types and cwc-schema Packages",
  "new_string": "## Technical Debt\n\n### [Types/Schema] Research Merging cwc-types and cwc-schema Packages"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/documents/cwc-tech-debt.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    90→- Could be a gradual migration - new images to Cloudflare, old ones remain in cwc-storage
    91→
    92→---
    93→
    94→## Technical Debt
    95→
    96→### [Types/Schema] Research Merging cwc-types and cwc-schema Packages
    97→
    98→**Session:** 048 | **Priority:** Medium | **Effort:** Large
    99→
   100→cwc-types and cwc-schema have overlapping responsibilities that could be consolidated to enforce types more effectively and eliminate duplication.

{
  "todos": [
    {
      "content": "Add debugLog best practices to CLAUDE.md",
      "status": "completed",
      "activeForm": "Adding debugLog best practices to CLAUDE.md"
    },
    {
      "content": "Review PR #51 and produce a report",
      "status": "completed",
      "activeForm": "Reviewing PR #51"
    },
    {
      "content": "Add tech debt items for SqlClient typing and cwc-types/cwc-schema merge",
      "status": "completed",
      "activeForm": "Adding tech debt items"
    },
    {
      "content": "Implement: SqlClient schema validation",
      "status": "completed",
      "activeForm": "Implementing SqlClient schema validation"
    },
    {
      "content": "Plan: Add CONTENT_CACHE_ENABLED config toggle",
      "status": "in_progress",
      "activeForm": "Planning cache toggle config"
    },
    {
      "content": "Plan: Investigate QUERY_CACHE_ENABLED in cwc-sql",
      "status": "pending",
      "activeForm": "Planning query cache investigation"
    },
    {
      "content": "Plan: Identify other services with caching",
      "status": "pending",
      "activeForm": "Planning caching audit"
    },
    {
      "content": "Plan: Add debug logging to cwc-content",
      "status": "pending",
      "activeForm": "Planning cwc-content debug logging"
    },
    {
      "content": "Plan: Add debug logging to cwc-sql",
      "status": "pending",
      "activeForm": "Planning cwc-sql debug logging"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "pattern": "ContentCache|cache",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content",
  "output_mode": "files_with_matches"
}

Found 10 files
packages/cwc-content/src/apis/ContentApiV1/routes.ts
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts
packages/cwc-content/src/apis/ContentApiV1/ContentApiV1.ts
packages/cwc-content/src/__tests__/handlers/ContentHandler.test.ts
packages/cwc-content/CLAUDE.md
packages/cwc-content/src/config/loadConfig.ts
packages/cwc-content/src/cache/index.ts
packages/cwc-content/src/cache/ContentCache.ts
packages/cwc-content/src/__tests__/cache/ContentCache.test.ts
packages/cwc-content/README.md

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/cache/ContentCache.ts"
}

     1→/**
     2→ * Cache entry for content data
     3→ */
     4→type CacheEntry = {
     5→  data: Buffer;
     6→  timestamp: number;
     7→};
     8→
     9→/**
    10→ * LRU cache with TTL for content data
    11→ *
    12→ * Features:
    13→ * - Maximum size limit with LRU eviction
    14→ * - TTL-based expiration
    15→ * - Lazy eviction (expired entries removed on access)
    16→ *
    17→ * Generic cache that can be used for any content type in cwc-content.
    18→ * Currently used for coding session data, but extensible to other content.
    19→ */
    20→export class ContentCache {
    21→  private cache: Map<string, CacheEntry>;
    22→  private maxSize: number;
    23→  private ttlMs: number;
    24→
    25→  constructor(maxSize: number, ttlMs: number) {
    26→    this.cache = new Map();
    27→    this.maxSize = maxSize;
    28→    this.ttlMs = ttlMs;
    29→  }
    30→
    31→  /**
    32→   * Build cache key from projectId and filename
    33→   */
    34→  private buildKey(projectId: string, filename: string): string {
    35→    return `${projectId}:${filename}`;
    36→  }
    37→
    38→  /**
    39→   * Check if an entry has expired
    40→   */
    41→  private isExpired(entry: CacheEntry): boolean {
    42→    return Date.now() - entry.timestamp > this.ttlMs;
    43→  }
    44→
    45→  /**
    46→   * Get data from cache
    47→   * Returns undefined if not found or expired
    48→   */
    49→  get(projectId: string, filename: string): Buffer | undefined {
    50→    const key = this.buildKey(projectId, filename);
    51→    const entry = this.cache.get(key);
    52→
    53→    if (!entry) {
    54→      return undefined;
    55→    }
    56→
    57→    // Check TTL
    58→    if (this.isExpired(entry)) {
    59→      this.cache.delete(key);
    60→      return undefined;
    61→    }
    62→
    63→    // Move to end for LRU (delete and re-add to maintain insertion order)
    64→    this.cache.delete(key);
    65→    this.cache.set(key, entry);
    66→
    67→    return entry.data;
    68→  }
    69→
    70→  /**
    71→   * Set data in cache
    72→   * Evicts oldest entry if at capacity
    73→   */
    74→  set(projectId: string, filename: string, data: Buffer): void {
    75→    const key = this.buildKey(projectId, filename);
    76→
    77→    // If key exists, delete it first (to update LRU order)
    78→    if (this.cache.has(key)) {
    79→      this.cache.delete(key);
    80→    }
    81→
    82→    // Evict oldest entry if at capacity
    83→    if (this.cache.size >= this.maxSize) {
    84→      const oldestKey = this.cache.keys().next().value;
    85→      if (oldestKey) {
    86→        this.cache.delete(oldestKey);
    87→      }
    88→    }
    89→
    90→    // Add new entry
    91→    this.cache.set(key, {
    92→      data,
    93→      timestamp: Date.now(),
    94→    });
    95→  }
    96→
    97→  /**
    98→   * Invalidate a specific cache entry
    99→   */
   100→  invalidate(projectId: string, filename: string): void {
   101→    const key = this.buildKey(projectId, filename);
   102→    this.cache.delete(key);
   103→  }
   104→
   105→  /**
   106→   * Clear all cache entries
   107→   */
   108→  clear(): void {
   109→    this.cache.clear();
   110→  }
   111→
   112→  /**
   113→   * Get current cache size (for monitoring/debugging)
   114→   */
   115→  size(): number {
   116→    return this.cache.size;
   117→  }
   118→
   119→  /**
   120→   * Clean up expired entries (for optional background cleanup)
   121→   */
   122→  cleanup(): number {
   123→    let removed = 0;
   124→    for (const [key, entry] of this.cache.entries()) {
   125→      if (this.isExpired(entry)) {
   126→        this.cache.delete(key);
   127→        removed++;
   128→      }
   129→    }
   130→    return removed;
   131→  }
   132→}
   133→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/config/loadConfig.ts"
}

     1→import type { RuntimeEnvironment } from 'cwc-types';
     2→import { requireEnv, optionalEnv, parseNumber, parseBoolean } from 'cwc-backend-utils';
     3→import type { CwcContentConfig } from './config.types';
     4→
     5→/**
     6→ * Validates runtime environment value
     7→ */
     8→function validateRuntimeEnvironment(value: string): RuntimeEnvironment {
     9→  const validEnvironments = ['dev', 'test', 'prod', 'unit', 'e2e'];
    10→  if (!validEnvironments.includes(value)) {
    11→    throw new Error(
    12→      `Invalid RUNTIME_ENVIRONMENT: ${value}. Must be one of: ${validEnvironments.join(', ')}`
    13→    );
    14→  }
    15→  return value as RuntimeEnvironment;
    16→}
    17→
    18→/**
    19→ * Loads and validates configuration from environment variables
    20→ * Caches the configuration on first load
    21→ */
    22→let cachedConfig: CwcContentConfig | undefined;
    23→
    24→export function loadConfig(): CwcContentConfig {
    25→  // Return cached config if already loaded
    26→  if (cachedConfig) {
    27→    return cachedConfig;
    28→  }
    29→
    30→  try {
    31→    // Parse runtime environment
    32→    const runtimeEnvironment = validateRuntimeEnvironment(requireEnv('RUNTIME_ENVIRONMENT'));
    33→
    34→    // Derive environment booleans
    35→    const isProd = runtimeEnvironment === 'prod';
    36→    const isDev = runtimeEnvironment === 'dev';
    37→    const isTest = runtimeEnvironment === 'test';
    38→    const isUnit = runtimeEnvironment === 'unit';
    39→    const isE2E = runtimeEnvironment === 'e2e';
    40→
    41→    // Parse configuration
    42→    const config: CwcContentConfig = {
    43→      // Environment
    44→      runtimeEnvironment,
    45→      isProd,
    46→      isDev,
    47→      isTest,
    48→      isUnit,
    49→      isE2E,
    50→
    51→      // Service
    52→      servicePort: parseNumber('SERVICE_PORT', 5008),
    53→      authUriInternal: requireEnv('AUTH_URI_INTERNAL'),
    54→      storageUriInternal: requireEnv('STORAGE_URI_INTERNAL'),
    55→      dataUriInternal: requireEnv('DATA_URI_INTERNAL'),
    56→      dataUriExternal: requireEnv('DATA_URI_EXTERNAL'),
    57→
    58→      // Security
    59→      corsOrigin: requireEnv('CORS_ORIGIN'),
    60→
    61→      // Rate limiting
    62→      rateLimiterPoints: parseNumber('RATE_LIMITER_POINTS', 15),
    63→      rateLimiterDuration: parseNumber('RATE_LIMITER_DURATION', 1),
    64→
    65→      // Dev settings
    66→      devCorsOrigin: optionalEnv('DEV_CORS_ORIGIN', 'http://localhost:5173'),
    67→
    68→      // Debugging
    69→      debugMode: parseBoolean('DEBUG_MODE', false),
    70→      logErrorsToDatabase: parseBoolean('LOG_ERRORS_TO_DATABASE', true),
    71→
    72→      // Cache settings
    73→      contentCacheMaxSize: parseNumber('CONTENT_CACHE_MAX_SIZE', 100),
    74→      contentCacheTtlMs: parseNumber('CONTENT_CACHE_TTL_MS', 300000), // 5 minutes
    75→
    76→      // Payload limit for uploads
    77→      contentPayloadLimit: optionalEnv('CONTENT_PAYLOAD_LIMIT', '10mb'),
    78→
    79→      // Secrets (nested)
    80→      secrets: {
    81→        storageApiKey: requireEnv('STORAGE_API_KEY'),
    82→      },
    83→    };
    84→
    85→    // Validate port
    86→    if (config.servicePort < 1 || config.servicePort > 65535) {
    87→      throw new Error('SERVICE_PORT must be between 1 and 65535');
    88→    }
    89→
    90→    // Validate cache settings
    91→    if (config.contentCacheMaxSize < 1) {
    92→      throw new Error('CONTENT_CACHE_MAX_SIZE must be at least 1');
    93→    }
    94→    if (config.contentCacheTtlMs < 1000) {
    95→      throw new Error('CONTENT_CACHE_TTL_MS must be at least 1000 (1 second)');
    96→    }
    97→
    98→    // Cache the configuration
    99→    cachedConfig = config;
   100→
   101→    // Log configuration in debug mode (redact sensitive data)
   102→    if (config.debugMode) {
   103→      console.log('[cwc-content] Configuration loaded:');
   104→      console.log(`  Environment: ${config.runtimeEnvironment}`);
   105→      console.log(`  Service Port: ${config.servicePort}`);
   106→      console.log(`  Auth URI Internal: ${config.authUriInternal}`);
   107→      console.log(`  Storage URI Internal: ${config.storageUriInternal}`);
   108→      console.log(`  Data URI Internal: ${config.dataUriInternal}`);
   109→      console.log(`  Data URI External: ${config.dataUriExternal}`);
   110→      console.log(`  CORS Origin: ${config.corsOrigin}`);
   111→      console.log(`  Storage API Key: [REDACTED]`);
   112→      console.log(
   113→        `  Rate Limiter: ${config.rateLimiterPoints} points / ${config.rateLimiterDuration}s`
   114→      );
   115→      console.log(`  Cache Max Size: ${config.contentCacheMaxSize}`);
   116→      console.log(`  Cache TTL: ${config.contentCacheTtlMs}ms`);
   117→      console.log(`  Debug Mode: ${config.debugMode}`);
   118→      console.log(`  Log Errors to Database: ${config.logErrorsToDatabase}`);
   119→    }
   120→
   121→    return config;
   122→  } catch (error) {
   123→    console.error('[cwc-content] Failed to load configuration:');
   124→    if (error instanceof Error) {
   125→      console.error(`  ${error.message}`);
   126→    } else {
   127→      console.error(error);
   128→    }
   129→    console.error('\nPlease check your environment variables and try again.');
   130→    process.exit(1);
   131→  }
   132→}
   133→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts"
}

     1→'use strict';
     2→
     3→import { type StorageClient, type SqlClient, getErrorInfo } from 'cwc-backend-utils';
     4→import type { RequestContext } from '../../context';
     5→import type { ContentCache } from '../../cache';
     6→import type {
     7→  OperationResult,
     8→  GetCodingSessionPayload,
     9→  PutCodingSessionPayload,
    10→  DeleteCodingSessionPayload,
    11→} from '../../types/handler.types';
    12→import { debugLog } from '../../utils';
    13→
    14→export type ContentHandlerOptions = {
    15→  storageClient: StorageClient;
    16→  sqlClient: SqlClient;
    17→  cache: ContentCache;
    18→};
    19→
    20→/**
    21→ * Handles content operations (get/put/delete)
    22→ *
    23→ * This handler interacts with cwc-storage via StorageClient and maintains
    24→ * an in-memory cache for frequently accessed content.
    25→ *
    26→ * Security: Uses SqlClient to verify session published status before serving
    27→ * data to non-owners. This prevents enumeration attacks on unpublished sessions.
    28→ */
    29→export class ContentHandler {
    30→  private storageClient: StorageClient;
    31→  private sqlClient: SqlClient;
    32→
    33→  // temporarily disabled - todo: control with contentCacheEnabled
    34→  // private cache: ContentCache;
    35→
    36→  constructor(options: ContentHandlerOptions) {
    37→    this.storageClient = options.storageClient;
    38→    this.sqlClient = options.sqlClient;
    39→
    40→    // temporarily disabled - todo: control with contentCacheEnabled
    41→    // this.cache = options.cache;
    42→  }
    43→
    44→  /**
    45→   * Extract codingSessionPkId from filename
    46→   * e.g., "110/session.json.gz" -> 110
    47→   */
    48→  private extractPkIdFromFilename(filename: string): number | undefined {
    49→    const match = filename.match(/^(\d+)\//);
    50→    return match && match[1] ? parseInt(match[1], 10) : undefined;
    51→  }
    52→
    53→  /**
    54→   * Check if a coding session is published
    55→   * Returns true if session exists AND published=true
    56→   */
    57→  private async isSessionPublished(codingSessionPkId: number): Promise<boolean> {
    58→    let result: { codingSessionPkId: number } | undefined = undefined;
    59→    debugLog('ContentHandler', 'isSessionPublished', { codingSessionPkId });
    60→    try {
    61→      const command = this.sqlClient.selectCommand({
    62→        table: 'codingSession',
    63→        filters: {
    64→          codingSessionPkId,
    65→          enabled: true,
    66→          published: true,
    67→        },
    68→        fields: ['codingSessionPkId'],
    69→      });
    70→      debugLog('ContentHandler', 'isSessionPublished', {
    71→        command: JSON.stringify(command, undefined, 2),
    72→      });
    73→
    74→      const response = await this.sqlClient.query({ userPkId: undefined, command });
    75→      debugLog('ContentHandler', 'isSessionPublished', {
    76→        response: JSON.stringify(response, undefined, 2),
    77→      });
    78→
    79→      result = this.sqlClient.getFirstResult<{ codingSessionPkId: number }>(response);
    80→      debugLog('ContentHandler', 'isSessionPublished', {
    81→        result: JSON.stringify(result, undefined, 2),
    82→      });
    83→    } catch (error) {
    84→      debugLog('ContentHandler', 'isSessionPublished - ERROR', { error: getErrorInfo(error) });
    85→    }
    86→
    87→    return result !== undefined;
    88→  }
    89→
    90→  /**
    91→   * Get coding session data from storage
    92→   *
    93→   * Access: guest-user for published sessions, project-owner for unpublished
    94→   *
    95→   * Security: Verifies session is published before serving to non-owners.
    96→   * This prevents enumeration attacks on unpublished sessions.
    97→   */
    98→  async getCodingSession(
    99→    payload: GetCodingSessionPayload,
   100→    context: RequestContext
   101→  ): Promise<OperationResult<Buffer>> {
   102→    try {
   103→      debugLog('ContentHandler', 'getCodingSession', { payload, context });
   104→      const { projectId, filename } = payload;
   105→      debugLog('ContentHandler', 'getCodingSession', { projectId, filename });
   106→
   107→      // Validate required fields
   108→      if (!projectId) {
   109→        debugLog('ContentHandler', 'getCodingSession', 'Missing field: projectId');
   110→        return {
   111→          success: false,
   112→          errorCode: 'VALIDATION_ERROR',
   113→          errorMessage: 'projectId is required',
   114→        };
   115→      }
   116→      if (!filename) {
   117→        debugLog('ContentHandler', 'getCodingSession', 'Missing field: filename');
   118→        return {
   119→          success: false,
   120→          errorCode: 'VALIDATION_ERROR',
   121→          errorMessage: 'filename is required',
   122→        };
   123→      }
   124→
   125→      // Extract codingSessionPkId from filename for published status check
   126→      const codingSessionPkId = this.extractPkIdFromFilename(filename);
   127→      if (codingSessionPkId === undefined) {
   128→        debugLog('ContentHandler', 'getCodingSession', 'Missing value: codingSessionPkId');
   129→        return {
   130→          success: false,
   131→          errorCode: 'NOT_FOUND',
   132→          errorMessage: 'Session not found',
   133→        };
   134→      }
   135→
   136→      // Check access: project-owner can always access, others need published session
   137→      const isOwner = context.isAuthenticated && context.ownedProjects.includes(projectId);
   138→      if (!isOwner) {
   139→        const isPublished = await this.isSessionPublished(codingSessionPkId);
   140→        if (!isPublished) {
   141→          debugLog(
   142→            'ContentHandler',
   143→            'getCodingSession',
   144→            'Access DENIED - only project-owner has access to unpublished content'
   145→          );
   146→          // Return NOT_FOUND to not reveal existence of unpublished sessions
   147→          return {
   148→            success: false,
   149→            errorCode: 'NOT_FOUND',
   150→            errorMessage: 'Session not found',
   151→          };
   152→        }
   153→      }
   154→
   155→      // Check cache first
   156→      // temporarily disabled - todo: control with contentCacheEnabled
   157→      // const cachedData = this.cache.get(projectId, filename);
   158→      // if (cachedData) {
   159→      //   return { success: true, data: cachedData };
   160→      // }
   161→
   162→      // Fetch from storage
   163→      const result = await this.storageClient.getFile(projectId, filename);
   164→
   165→      if (!result.success) {
   166→        if (result.error === 'FILE_NOT_FOUND') {
   167→          return {
   168→            success: false,
   169→            errorCode: 'NOT_FOUND',
   170→            errorMessage: 'Session data not found',
   171→          };
   172→        }
   173→        return {
   174→          success: false,
   175→          errorCode: 'STORAGE_ERROR',
   176→          errorMessage: 'Failed to retrieve session data',
   177→        };
   178→      }
   179→
   180→      // Cache the result
   181→      // temporarily disabled - todo: control with contentCacheEnabled
   182→      // this.cache.set(projectId, filename, result.data);
   183→
   184→      return { success: true, data: result.data };
   185→    } catch (error) {
   186→      debugLog('ContentHandler', 'getCodingSession - ERROR', { error: getErrorInfo(error) });
   187→      return {
   188→        success: false,
   189→        errorCode: 'INTERNAL_ERROR',
   190→        errorMessage: 'An internal error occurred',
   191→      };
   192→    }
   193→  }
   194→
   195→  /**
   196→   * Put coding session data to storage
   197→   *
   198→   * Access: project-owner (ownership verified at route level by checkRouteAccess)
   199→   */
   200→  async putCodingSession(
   201→    payload: PutCodingSessionPayload,
   202→    _context: RequestContext
   203→  ): Promise<OperationResult<{ filename: string }>> {
   204→    const { projectId, filename, data, fileEncoding } = payload;
   205→
   206→    // Validate required fields
   207→    if (!projectId || !filename || !data) {
   208→      return {
   209→        success: false,
   210→        errorCode: 'VALIDATION_ERROR',
   211→        errorMessage: 'projectId, filename, and data are required',
   212→      };
   213→    }
   214→
   215→    // Upload to storage
   216→    const result = await this.storageClient.putFile(projectId, filename, data, fileEncoding);
   217→
   218→    if (!result.success) {
   219→      return {
   220→        success: false,
   221→        errorCode: 'STORAGE_ERROR',
   222→        errorMessage: 'Failed to store session data',
   223→      };
   224→    }
   225→
   226→    // Invalidate cache (new data will be cached on next get)
   227→    // temporarily disabled - todo: control with contentCacheEnabled
   228→    // this.cache.invalidate(projectId, filename);
   229→
   230→    return { success: true, data: { filename: result.filename } };
   231→  }
   232→
   233→  /**
   234→   * Delete coding session data from storage
   235→   *
   236→   * Access: project-owner (ownership verified at route level by checkRouteAccess)
   237→   */
   238→  async deleteCodingSession(
   239→    payload: DeleteCodingSessionPayload,
   240→    _context: RequestContext
   241→  ): Promise<OperationResult<{ filename: string }>> {
   242→    const { projectId, filename } = payload;
   243→
   244→    // Validate required fields
   245→    if (!projectId || !filename) {
   246→      return {
   247→        success: false,
   248→        errorCode: 'VALIDATION_ERROR',
   249→        errorMessage: 'projectId and filename are required',
   250→      };
   251→    }
   252→
   253→    // Delete from storage
   254→    const result = await this.storageClient.deleteFile(projectId, filename);
   255→
   256→    if (!result.success) {
   257→      if (result.error === 'FILE_NOT_FOUND') {
   258→        return {
   259→          success: false,
   260→          errorCode: 'NOT_FOUND',
   261→          errorMessage: 'Session data not found',
   262→        };
   263→      }
   264→      return {
   265→        success: false,
   266→        errorCode: 'STORAGE_ERROR',
   267→        errorMessage: 'Failed to delete session data',
   268→      };
   269→    }
   270→
   271→    // Invalidate cache
   272→    // temporarily disabled - todo: control with contentCacheEnabled
   273→    // this.cache.invalidate(projectId, filename);
   274→
   275→    return { success: true, data: { filename: result.filename } };
   276→  }
   277→}
   278→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/config/config.types.ts"
}

     1→import type { RuntimeEnvironment } from 'cwc-types';
     2→
     3→/**
     4→ * Secret configuration values for cwc-content
     5→ * These values must be provided via secrets file, never committed to code
     6→ */
     7→export type CwcContentConfigSecrets = {
     8→  storageApiKey: string;
     9→};
    10→
    11→/**
    12→ * Configuration for the cwc-content microservice
    13→ */
    14→export type CwcContentConfig = {
    15→  // Environment (derived - skipped in .env generation)
    16→  runtimeEnvironment: RuntimeEnvironment;
    17→  isProd: boolean;
    18→  isDev: boolean;
    19→  isTest: boolean;
    20→  isUnit: boolean;
    21→  isE2E: boolean;
    22→
    23→  // Service
    24→  servicePort: number;
    25→  authUriInternal: string;
    26→  storageUriInternal: string;
    27→  dataUriInternal: string;
    28→  dataUriExternal: string;
    29→
    30→  // Security
    31→  corsOrigin: string;
    32→
    33→  // Rate limiting
    34→  rateLimiterPoints: number;
    35→  rateLimiterDuration: number;
    36→
    37→  // Dev settings
    38→  devCorsOrigin: string;
    39→
    40→  // Debugging
    41→  debugMode: boolean;
    42→  logErrorsToDatabase: boolean;
    43→
    44→  // Cache settings
    45→  contentCacheMaxSize: number;
    46→  contentCacheTtlMs: number;
    47→
    48→  // Payload limit for uploads (e.g., '10mb')
    49→  contentPayloadLimit: string;
    50→
    51→  // Secrets (nested)
    52→  secrets: CwcContentConfigSecrets;
    53→};
    54→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/config/config.types.ts",
  "old_string": "  // Cache settings\n  contentCacheMaxSize: number;\n  contentCacheTtlMs: number;",
  "new_string": "  // Cache settings\n  contentCacheEnabled: boolean;\n  contentCacheMaxSize: number;\n  contentCacheTtlMs: number;"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/config/config.types.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    40→  // Debugging
    41→  debugMode: boolean;
    42→  logErrorsToDatabase: boolean;
    43→
    44→  // Cache settings
    45→  contentCacheEnabled: boolean;
    46→  contentCacheMaxSize: number;
    47→  contentCacheTtlMs: number;
    48→
    49→  // Payload limit for uploads (e.g., '10mb')
    50→  contentPayloadLimit: string;
    51→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/config/loadConfig.ts",
  "old_string": "      // Cache settings\n      contentCacheMaxSize: parseNumber('CONTENT_CACHE_MAX_SIZE', 100),\n      contentCacheTtlMs: parseNumber('CONTENT_CACHE_TTL_MS', 300000), // 5 minutes",
  "new_string": "      // Cache settings\n      contentCacheEnabled: parseBoolean('CONTENT_CACHE_ENABLED', true),\n      contentCacheMaxSize: parseNumber('CONTENT_CACHE_MAX_SIZE', 100),\n      contentCacheTtlMs: parseNumber('CONTENT_CACHE_TTL_MS', 300000), // 5 minutes"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/config/loadConfig.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    68→      // Debugging
    69→      debugMode: parseBoolean('DEBUG_MODE', false),
    70→      logErrorsToDatabase: parseBoolean('LOG_ERRORS_TO_DATABASE', true),
    71→
    72→      // Cache settings
    73→      contentCacheEnabled: parseBoolean('CONTENT_CACHE_ENABLED', true),
    74→      contentCacheMaxSize: parseNumber('CONTENT_CACHE_MAX_SIZE', 100),
    75→      contentCacheTtlMs: parseNumber('CONTENT_CACHE_TTL_MS', 300000), // 5 minutes
    76→
    77→      // Payload limit for uploads
    78→      contentPayloadLimit: optionalEnv('CONTENT_PAYLOAD_LIMIT', '10mb'),
    79→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/config/loadConfig.ts",
  "old_string": "      console.log(\n        `  Rate Limiter: ${config.rateLimiterPoints} points / ${config.rateLimiterDuration}s`\n      );\n      console.log(`  Cache Max Size: ${config.contentCacheMaxSize}`);\n      console.log(`  Cache TTL: ${config.contentCacheTtlMs}ms`);",
  "new_string": "      console.log(\n        `  Rate Limiter: ${config.rateLimiterPoints} points / ${config.rateLimiterDuration}s`\n      );\n      console.log(`  Cache Enabled: ${config.contentCacheEnabled}`);\n      console.log(`  Cache Max Size: ${config.contentCacheMaxSize}`);\n      console.log(`  Cache TTL: ${config.contentCacheTtlMs}ms`);"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/config/loadConfig.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   109→      console.log(`  Data URI Internal: ${config.dataUriInternal}`);
   110→      console.log(`  Data URI External: ${config.dataUriExternal}`);
   111→      console.log(`  CORS Origin: ${config.corsOrigin}`);
   112→      console.log(`  Storage API Key: [REDACTED]`);
   113→      console.log(
   114→        `  Rate Limiter: ${config.rateLimiterPoints} points / ${config.rateLimiterDuration}s`
   115→      );
   116→      console.log(`  Cache Enabled: ${config.contentCacheEnabled}`);
   117→      console.log(`  Cache Max Size: ${config.contentCacheMaxSize}`);
   118→      console.log(`  Cache TTL: ${config.contentCacheTtlMs}ms`);
   119→      console.log(`  Debug Mode: ${config.debugMode}`);
   120→      console.log(`  Log Errors to Database: ${config.logErrorsToDatabase}`);
   121→    }
   122→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts",
  "old_string": "export type ContentHandlerOptions = {\n  storageClient: StorageClient;\n  sqlClient: SqlClient;\n  cache: ContentCache;\n};\n\n/**\n * Handles content operations (get/put/delete)\n *\n * This handler interacts with cwc-storage via StorageClient and maintains\n * an in-memory cache for frequently accessed content.\n *\n * Security: Uses SqlClient to verify session published status before serving\n * data to non-owners. This prevents enumeration attacks on unpublished sessions.\n */\nexport class ContentHandler {\n  private storageClient: StorageClient;\n  private sqlClient: SqlClient;\n\n  // temporarily disabled - todo: control with contentCacheEnabled\n  // private cache: ContentCache;\n\n  constructor(options: ContentHandlerOptions) {\n    this.storageClient = options.storageClient;\n    this.sqlClient = options.sqlClient;\n\n    // temporarily disabled - todo: control with contentCacheEnabled\n    // this.cache = options.cache;\n  }",
  "new_string": "export type ContentHandlerOptions = {\n  storageClient: StorageClient;\n  sqlClient: SqlClient;\n  cache: ContentCache;\n  cacheEnabled: boolean;\n};\n\n/**\n * Handles content operations (get/put/delete)\n *\n * This handler interacts with cwc-storage via StorageClient and maintains\n * an in-memory cache for frequently accessed content.\n *\n * Security: Uses SqlClient to verify session published status before serving\n * data to non-owners. This prevents enumeration attacks on unpublished sessions.\n */\nexport class ContentHandler {\n  private storageClient: StorageClient;\n  private sqlClient: SqlClient;\n  private cache: ContentCache;\n  private cacheEnabled: boolean;\n\n  constructor(options: ContentHandlerOptions) {\n    this.storageClient = options.storageClient;\n    this.sqlClient = options.sqlClient;\n    this.cache = options.cache;\n    this.cacheEnabled = options.cacheEnabled;\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    10→  DeleteCodingSessionPayload,
    11→} from '../../types/handler.types';
    12→import { debugLog } from '../../utils';
    13→
    14→export type ContentHandlerOptions = {
    15→  storageClient: StorageClient;
    16→  sqlClient: SqlClient;
    17→  cache: ContentCache;
    18→  cacheEnabled: boolean;
    19→};
    20→
    21→/**
    22→ * Handles content operations (get/put/delete)
    23→ *
    24→ * This handler interacts with cwc-storage via StorageClient and maintains
    25→ * an in-memory cache for frequently accessed content.
    26→ *
    27→ * Security: Uses SqlClient to verify session published status before serving
    28→ * data to non-owners. This prevents enumeration attacks on unpublished sessions.
    29→ */
    30→export class ContentHandler {
    31→  private storageClient: StorageClient;
    32→  private sqlClient: SqlClient;
    33→  private cache: ContentCache;
    34→  private cacheEnabled: boolean;
    35→
    36→  constructor(options: ContentHandlerOptions) {
    37→    this.storageClient = options.storageClient;
    38→    this.sqlClient = options.sqlClient;
    39→    this.cache = options.cache;
    40→    this.cacheEnabled = options.cacheEnabled;
    41→  }
    42→
    43→  /**
    44→   * Extract codingSessionPkId from filename
    45→   * e.g., "110/session.json.gz" -> 110

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts",
  "old_string": "      // Check cache first\n      // temporarily disabled - todo: control with contentCacheEnabled\n      // const cachedData = this.cache.get(projectId, filename);\n      // if (cachedData) {\n      //   return { success: true, data: cachedData };\n      // }\n\n      // Fetch from storage\n      const result = await this.storageClient.getFile(projectId, filename);\n\n      if (!result.success) {\n        if (result.error === 'FILE_NOT_FOUND') {\n          return {\n            success: false,\n            errorCode: 'NOT_FOUND',\n            errorMessage: 'Session data not found',\n          };\n        }\n        return {\n          success: false,\n          errorCode: 'STORAGE_ERROR',\n          errorMessage: 'Failed to retrieve session data',\n        };\n      }\n\n      // Cache the result\n      // temporarily disabled - todo: control with contentCacheEnabled\n      // this.cache.set(projectId, filename, result.data);\n\n      return { success: true, data: result.data };",
  "new_string": "      // Check cache first (if enabled)\n      if (this.cacheEnabled) {\n        const cachedData = this.cache.get(projectId, filename);\n        if (cachedData) {\n          debugLog('ContentHandler', 'getCodingSession', 'Cache hit');\n          return { success: true, data: cachedData };\n        }\n        debugLog('ContentHandler', 'getCodingSession', 'Cache miss');\n      }\n\n      // Fetch from storage\n      const result = await this.storageClient.getFile(projectId, filename);\n\n      if (!result.success) {\n        if (result.error === 'FILE_NOT_FOUND') {\n          return {\n            success: false,\n            errorCode: 'NOT_FOUND',\n            errorMessage: 'Session data not found',\n          };\n        }\n        return {\n          success: false,\n          errorCode: 'STORAGE_ERROR',\n          errorMessage: 'Failed to retrieve session data',\n        };\n      }\n\n      // Cache the result (if enabled)\n      if (this.cacheEnabled) {\n        this.cache.set(projectId, filename, result.data);\n      }\n\n      return { success: true, data: result.data };"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   150→          };
   151→        }
   152→      }
   153→
   154→      // Check cache first (if enabled)
   155→      if (this.cacheEnabled) {
   156→        const cachedData = this.cache.get(projectId, filename);
   157→        if (cachedData) {
   158→          debugLog('ContentHandler', 'getCodingSession', 'Cache hit');
   159→          return { success: true, data: cachedData };
   160→        }
   161→        debugLog('ContentHandler', 'getCodingSession', 'Cache miss');
   162→      }
   163→
   164→      // Fetch from storage
   165→      const result = await this.storageClient.getFile(projectId, filename);
   166→
   167→      if (!result.success) {
   168→        if (result.error === 'FILE_NOT_FOUND') {
   169→          return {
   170→            success: false,
   171→            errorCode: 'NOT_FOUND',
   172→            errorMessage: 'Session data not found',
   173→          };
   174→        }
   175→        return {
   176→          success: false,
   177→          errorCode: 'STORAGE_ERROR',
   178→          errorMessage: 'Failed to retrieve session data',
   179→        };
   180→      }
   181→
   182→      // Cache the result (if enabled)
   183→      if (this.cacheEnabled) {
   184→        this.cache.set(projectId, filename, result.data);
   185→      }
   186→
   187→      return { success: true, data: result.data };
   188→    } catch (error) {
   189→      debugLog('ContentHandler', 'getCodingSession - ERROR', { error: getErrorInfo(error) });
   190→      return {
   191→        success: false,

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts",
  "old_string": "    // Invalidate cache (new data will be cached on next get)\n    // temporarily disabled - todo: control with contentCacheEnabled\n    // this.cache.invalidate(projectId, filename);\n\n    return { success: true, data: { filename: result.filename } };\n  }\n\n  /**\n   * Delete coding session data from storage",
  "new_string": "    // Invalidate cache (new data will be cached on next get)\n    if (this.cacheEnabled) {\n      this.cache.invalidate(projectId, filename);\n    }\n\n    return { success: true, data: { filename: result.filename } };\n  }\n\n  /**\n   * Delete coding session data from storage"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   225→        errorMessage: 'Failed to store session data',
   226→      };
   227→    }
   228→
   229→    // Invalidate cache (new data will be cached on next get)
   230→    if (this.cacheEnabled) {
   231→      this.cache.invalidate(projectId, filename);
   232→    }
   233→
   234→    return { success: true, data: { filename: result.filename } };
   235→  }
   236→
   237→  /**
   238→   * Delete coding session data from storage
   239→   *
   240→   * Access: project-owner (ownership verified at route level by checkRouteAccess)
   241→   */
   242→  async deleteCodingSession(

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts",
  "old_string": "    // Invalidate cache\n    // temporarily disabled - todo: control with contentCacheEnabled\n    // this.cache.invalidate(projectId, filename);\n\n    return { success: true, data: { filename: result.filename } };\n  }\n}",
  "new_string": "    // Invalidate cache\n    if (this.cacheEnabled) {\n      this.cache.invalidate(projectId, filename);\n    }\n\n    return { success: true, data: { filename: result.filename } };\n  }\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   271→        errorMessage: 'Failed to delete session data',
   272→      };
   273→    }
   274→
   275→    // Invalidate cache
   276→    if (this.cacheEnabled) {
   277→      this.cache.invalidate(projectId, filename);
   278→    }
   279→
   280→    return { success: true, data: { filename: result.filename } };
   281→  }
   282→}
   283→

{
  "pattern": "new ContentHandler",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content",
  "output_mode": "content"
}

packages/cwc-content/src/__tests__/handlers/ContentHandler.test.ts:35:    handler = new ContentHandler({
packages/cwc-content/src/apis/ContentApiV1/routes.ts:54:  return new ContentHandler(options);

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/routes.ts"
}

     1→'use strict';
     2→
     3→import type { ContentRouteConfigs } from '../../types/handler.types';
     4→import type {
     5→  GetCodingSessionPayload,
     6→  PutCodingSessionPayload,
     7→  DeleteCodingSessionPayload,
     8→} from '../../types/handler.types';
     9→import { accessPolicies } from '../../policies';
    10→import { ContentHandler, ContentHandlerOptions } from './ContentHandler';
    11→
    12→/**
    13→ * Creates route configurations for ContentApiV1
    14→ *
    15→ * Route naming convention: /coding-session/{operation}
    16→ * All routes use POST method (RPC-style API)
    17→ *
    18→ * @param contentHandler - ContentHandler instance with storage and cache
    19→ * @returns Route configuration map
    20→ */
    21→export function getRoutes(contentHandler: ContentHandler): ContentRouteConfigs {
    22→  return {
    23→    // ========================================================================
    24→    // Coding Session Content Routes
    25→    // ========================================================================
    26→    '/coding-session/get': {
    27→      path: '/coding-session/get',
    28→      handlerType: 'get',
    29→      requiredRole: accessPolicies.codingSession.get,
    30→      operation: (payload, requestContext) =>
    31→        contentHandler.getCodingSession(payload as GetCodingSessionPayload, requestContext),
    32→    },
    33→    '/coding-session/put': {
    34→      path: '/coding-session/put',
    35→      handlerType: 'put',
    36→      requiredRole: accessPolicies.codingSession.put,
    37→      operation: (payload, requestContext) =>
    38→        contentHandler.putCodingSession(payload as PutCodingSessionPayload, requestContext),
    39→    },
    40→    '/coding-session/delete': {
    41→      path: '/coding-session/delete',
    42→      handlerType: 'delete',
    43→      requiredRole: accessPolicies.codingSession.delete,
    44→      operation: (payload, requestContext) =>
    45→        contentHandler.deleteCodingSession(payload as DeleteCodingSessionPayload, requestContext),
    46→    },
    47→  };
    48→}
    49→
    50→/**
    51→ * Creates a ContentHandler with the given dependencies
    52→ */
    53→export function createContentHandler(options: ContentHandlerOptions): ContentHandler {
    54→  return new ContentHandler(options);
    55→}
    56→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "pattern": "createContentHandler",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content",
  "output_mode": "content"
}

packages/cwc-content/src/apis/ContentApiV1/routes.ts:53:export function createContentHandler(options: ContentHandlerOptions): ContentHandler {
packages/cwc-content/src/apis/ContentApiV1/ContentApiV1.ts:9:import { getRoutes, createContentHandler } from './routes';
packages/cwc-content/src/apis/ContentApiV1/ContentApiV1.ts:44:    const contentHandler = createContentHandler({

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentApiV1.ts"
}

     1→'use strict';
     2→
     3→import type { NextFunction, Request, Response } from 'express';
     4→import type { ExpressApi, ILogger, AuthClient, StorageClient, SqlClient } from 'cwc-backend-utils';
     5→import type { CwcContentConfig } from '../../config';
     6→import type { ContentRouteConfigs } from '../../types/handler.types';
     7→import { RequestHandler } from './RequestHandler';
     8→import { ContentCache } from '../../cache';
     9→import { getRoutes, createContentHandler } from './routes';
    10→
    11→const codeLocation = 'apis/ContentApiV1/index.ts';
    12→
    13→/**
    14→ * ContentApiV1 - Content delivery API for CWC
    15→ *
    16→ * Handles authenticated file operations via POST routes:
    17→ * - POST /coding-session/get: Fetch session data from storage (with caching)
    18→ * - POST /coding-session/put: Upload session data to storage
    19→ * - POST /coding-session/delete: Remove session data from storage
    20→ *
    21→ * Note: Binary file serving (images) is handled by FetchApiV1, not this API.
    22→ */
    23→export class ContentApiV1 implements ExpressApi {
    24→  private routes: ContentRouteConfigs;
    25→  private config: CwcContentConfig;
    26→  private authClient: AuthClient;
    27→  private logger: ILogger | undefined;
    28→
    29→  constructor(
    30→    config: CwcContentConfig,
    31→    storageClient: StorageClient,
    32→    authClient: AuthClient,
    33→    sqlClient: SqlClient,
    34→    logger: ILogger | undefined
    35→  ) {
    36→    this.config = config;
    37→    this.authClient = authClient;
    38→    this.logger = logger;
    39→
    40→    // Create cache with configurable settings
    41→    const cache = new ContentCache(config.contentCacheMaxSize, config.contentCacheTtlMs);
    42→
    43→    // Create content handler with storage client, cache, and sql client
    44→    const contentHandler = createContentHandler({
    45→      storageClient,
    46→      sqlClient,
    47→      cache,
    48→    });
    49→
    50→    // Routes initialized with content handler
    51→    this.routes = getRoutes(contentHandler);
    52→  }
    53→
    54→  public get path(): string {
    55→    return '/content/v1';
    56→  }
    57→
    58→  public get version(): number {
    59→    return 1;
    60→  }
    61→
    62→  /**
    63→   * Main request handler
    64→   */
    65→  public handler = async (req: Request, res: Response, next: NextFunction): Promise<void> => {
    66→    try {
    67→      // Early return if response already sent
    68→      if (res.statusCode !== 200 || res.writableEnded) {
    69→        return;
    70→      }
    71→
    72→      const { path } = req;
    73→
    74→      // Validate path exists
    75→      if (!path || path === '/') {
    76→        res.status(404).json({
    77→          success: false,
    78→          errorCode: 'NOT_FOUND',
    79→          errorMessage: 'Endpoint not found',
    80→        });
    81→        return;
    82→      }
    83→
    84→      // Find route config for POST routes
    85→      const routeConfig = this.routes[path];
    86→      if (!routeConfig) {
    87→        // This route is not handled by ContentApiV1, let it pass through
    88→        next();
    89→        return;
    90→      }
    91→
    92→      // Get auth header
    93→      const authHeader = req.headers['authorization'] as string | undefined;
    94→
    95→      // Create and execute RequestHandler
    96→      const handler = new RequestHandler(
    97→        {
    98→          authHeader,
    99→          payload: req.body,
   100→          routeConfig,
   101→        },
   102→        this.config,
   103→        this.authClient
   104→      );
   105→
   106→      const response = await handler.processRequest();
   107→
   108→      // Send response
   109→      res.status(response.statusCode).json(response.body);
   110→    } catch (error) {
   111→      this.logger?.logError({
   112→        userPkId: undefined,
   113→        codeLocation,
   114→        message: 'ContentApiV1.handler - ERROR',
   115→        error,
   116→      });
   117→
   118→      res.status(500).json({
   119→        success: false,
   120→        errorCode: 'INTERNAL_ERROR',
   121→        errorMessage: 'An internal error occurred',
   122→        ...(this.config.isDev ? { errorDetail: String(error) } : {}),
   123→      });
   124→    }
   125→  };
   126→}
   127→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentApiV1.ts",
  "old_string": "    // Create content handler with storage client, cache, and sql client\n    const contentHandler = createContentHandler({\n      storageClient,\n      sqlClient,\n      cache,\n    });",
  "new_string": "    // Create content handler with storage client, cache, and sql client\n    const contentHandler = createContentHandler({\n      storageClient,\n      sqlClient,\n      cache,\n      cacheEnabled: config.contentCacheEnabled,\n    });"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentApiV1.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    39→
    40→    // Create cache with configurable settings
    41→    const cache = new ContentCache(config.contentCacheMaxSize, config.contentCacheTtlMs);
    42→
    43→    // Create content handler with storage client, cache, and sql client
    44→    const contentHandler = createContentHandler({
    45→      storageClient,
    46→      sqlClient,
    47→      cache,
    48→      cacheEnabled: config.contentCacheEnabled,
    49→    });
    50→
    51→    // Routes initialized with content handler
    52→    this.routes = getRoutes(contentHandler);
    53→  }

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/handlers/ContentHandler.test.ts",
  "offset": 1,
  "limit": 60
}

     1→'use strict';
     2→
     3→import { describe, expect, it, beforeEach } from '@jest/globals';
     4→import { ContentHandler } from '../../apis/ContentApiV1';
     5→import { ContentCache } from '../../cache';
     6→import {
     7→  createMockStorageClient,
     8→  mockGetFileSuccess,
     9→  mockGetFileNotFound,
    10→  mockGetFileError,
    11→  mockPutFileSuccess,
    12→  mockPutFileError,
    13→  mockDeleteFileSuccess,
    14→  mockDeleteFileNotFound,
    15→  mockDeleteFileError,
    16→  createMockGuestContext,
    17→  createMockProjectOwnerContext,
    18→  createMockSqlClient,
    19→  mockSessionPublished,
    20→  mockSessionNotPublished,
    21→} from '../mocks';
    22→import type { StorageClient, SqlClient } from 'cwc-backend-utils';
    23→import type { jest } from '@jest/globals';
    24→
    25→describe('ContentHandler', () => {
    26→  let handler: ContentHandler;
    27→  let mockStorageClient: jest.Mocked<StorageClient>;
    28→  let mockSqlClient: jest.Mocked<SqlClient>;
    29→  let cache: ContentCache;
    30→
    31→  beforeEach(() => {
    32→    mockStorageClient = createMockStorageClient();
    33→    mockSqlClient = createMockSqlClient();
    34→    cache = new ContentCache(100, 300000);
    35→    handler = new ContentHandler({
    36→      storageClient: mockStorageClient,
    37→      sqlClient: mockSqlClient,
    38→      cache,
    39→    });
    40→  });
    41→
    42→  describe('getCodingSession', () => {
    43→    it('should return validation error for missing projectId', async () => {
    44→      const result = await handler.getCodingSession(
    45→        { projectId: '', filename: '110/session.json.gz' },
    46→        createMockGuestContext()
    47→      );
    48→
    49→      expect(result.success).toBe(false);
    50→      if (!result.success) {
    51→        expect(result.errorCode).toBe('VALIDATION_ERROR');
    52→      }
    53→    });
    54→
    55→    it('should return validation error for missing filename', async () => {
    56→      const result = await handler.getCodingSession(
    57→        { projectId: 'project-1', filename: '' },
    58→        createMockGuestContext()
    59→      );
    60→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/handlers/ContentHandler.test.ts",
  "old_string": "    handler = new ContentHandler({\n      storageClient: mockStorageClient,\n      sqlClient: mockSqlClient,\n      cache,\n    });",
  "new_string": "    handler = new ContentHandler({\n      storageClient: mockStorageClient,\n      sqlClient: mockSqlClient,\n      cache,\n      cacheEnabled: true,\n    });"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/handlers/ContentHandler.test.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    31→  beforeEach(() => {
    32→    mockStorageClient = createMockStorageClient();
    33→    mockSqlClient = createMockSqlClient();
    34→    cache = new ContentCache(100, 300000);
    35→    handler = new ContentHandler({
    36→      storageClient: mockStorageClient,
    37→      sqlClient: mockSqlClient,
    38→      cache,
    39→      cacheEnabled: true,
    40→    });
    41→  });
    42→
    43→  describe('getCodingSession', () => {
    44→    it('should return validation error for missing projectId', async () => {

{
  "command": "pnpm --filter cwc-content typecheck 2>&1",
  "description": "Run typecheck on cwc-content"
}

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/mocks/config.mock.ts"
}

     1→'use strict';
     2→
     3→import type { CwcContentConfig } from '../../config';
     4→import { loadConfig } from '../../config';
     5→
     6→/**
     7→ * Get the real unit config from unit.cwc-content.env
     8→ */
     9→export function getUnitConfig(): CwcContentConfig {
    10→  return loadConfig();
    11→}
    12→
    13→/**
    14→ * Creates a mock config with dev defaults
    15→ */
    16→export function createMockDevConfig(overrides: Partial<CwcContentConfig> = {}): CwcContentConfig {
    17→  return {
    18→    runtimeEnvironment: 'dev',
    19→    isDev: true,
    20→    isProd: false,
    21→    isTest: false,
    22→    isUnit: false,
    23→    isE2E: false,
    24→    servicePort: 5008,
    25→    authUriInternal: 'http://localhost:5005/auth/v1',
    26→    storageUriInternal: 'http://localhost:5030/storage/v1',
    27→    dataUriInternal: 'http://localhost:5020/data/v1',
    28→    dataUriExternal: 'http://localhost:5020/data/v1',
    29→    corsOrigin: '*',
    30→    devCorsOrigin: 'http://localhost:5173',
    31→    rateLimiterPoints: 15,
    32→    rateLimiterDuration: 1,
    33→    debugMode: true,
    34→    logErrorsToDatabase: true,
    35→    contentCacheMaxSize: 100,
    36→    contentCacheTtlMs: 300000,
    37→    contentPayloadLimit: '10mb',
    38→    secrets: {
    39→      storageApiKey: 'test-storage-api-key',
    40→    },
    41→    ...overrides,
    42→  };
    43→}
    44→
    45→/**
    46→ * Creates a mock config with prod defaults
    47→ */
    48→export function createMockProdConfig(overrides: Partial<CwcContentConfig> = {}): CwcContentConfig {
    49→  return {
    50→    runtimeEnvironment: 'prod',
    51→    isDev: false,
    52→    isProd: true,
    53→    isTest: false,
    54→    isUnit: false,
    55→    isE2E: false,
    56→    servicePort: 5008,
    57→    authUriInternal: 'http://cwc-auth:5005/auth/v1',
    58→    storageUriInternal: 'http://cwc-storage:5030/storage/v1',
    59→    dataUriInternal: 'http://cwc-sql:5020/data/v1',
    60→    dataUriExternal: 'https://data.codingwithclaude.dev/data/v1',
    61→    corsOrigin: 'https://codingwithclaude.com',
    62→    devCorsOrigin: '',
    63→    rateLimiterPoints: 15,
    64→    rateLimiterDuration: 1,
    65→    debugMode: false,
    66→    logErrorsToDatabase: true,
    67→    contentCacheMaxSize: 100,
    68→    contentCacheTtlMs: 300000,
    69→    contentPayloadLimit: '10mb',
    70→    secrets: {
    71→      storageApiKey: 'prod-storage-api-key',
    72→    },
    73→    ...overrides,
    74→  };
    75→}
    76→
    77→/**
    78→ * Creates a mock config with unit test defaults
    79→ */
    80→export function createMockUnitConfig(overrides: Partial<CwcContentConfig> = {}): CwcContentConfig {
    81→  return {
    82→    runtimeEnvironment: 'unit',
    83→    isDev: false,
    84→    isProd: false,
    85→    isTest: false,
    86→    isUnit: true,
    87→    isE2E: false,
    88→    servicePort: 5008,
    89→    authUriInternal: 'http://localhost:5005/auth/v1',
    90→    storageUriInternal: 'http://localhost:5030/storage/v1',
    91→    dataUriInternal: 'http://localhost:5020/data/v1',
    92→    dataUriExternal: 'http://localhost:5020/data/v1',
    93→    corsOrigin: '*',
    94→    devCorsOrigin: 'http://localhost:5173',
    95→    rateLimiterPoints: 100,
    96→    rateLimiterDuration: 1,
    97→    debugMode: true,
    98→    logErrorsToDatabase: false,
    99→    contentCacheMaxSize: 100,
   100→    contentCacheTtlMs: 300000,
   101→    contentPayloadLimit: '10mb',
   102→    secrets: {
   103→      storageApiKey: 'unit-storage-api-key',
   104→    },
   105→    ...overrides,
   106→  };
   107→}
   108→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/mocks/config.mock.ts",
  "old_string": "    debugMode: true,\n    logErrorsToDatabase: true,\n    contentCacheMaxSize: 100,\n    contentCacheTtlMs: 300000,\n    contentPayloadLimit: '10mb',\n    secrets: {\n      storageApiKey: 'test-storage-api-key',\n    },\n    ...overrides,\n  };\n}\n\n/**\n * Creates a mock config with prod defaults\n */",
  "new_string": "    debugMode: true,\n    logErrorsToDatabase: true,\n    contentCacheEnabled: true,\n    contentCacheMaxSize: 100,\n    contentCacheTtlMs: 300000,\n    contentPayloadLimit: '10mb',\n    secrets: {\n      storageApiKey: 'test-storage-api-key',\n    },\n    ...overrides,\n  };\n}\n\n/**\n * Creates a mock config with prod defaults\n */"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/mocks/config.mock.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    29→    corsOrigin: '*',
    30→    devCorsOrigin: 'http://localhost:5173',
    31→    rateLimiterPoints: 15,
    32→    rateLimiterDuration: 1,
    33→    debugMode: true,
    34→    logErrorsToDatabase: true,
    35→    contentCacheEnabled: true,
    36→    contentCacheMaxSize: 100,
    37→    contentCacheTtlMs: 300000,
    38→    contentPayloadLimit: '10mb',
    39→    secrets: {
    40→      storageApiKey: 'test-storage-api-key',
    41→    },
    42→    ...overrides,
    43→  };
    44→}
    45→
    46→/**
    47→ * Creates a mock config with prod defaults
    48→ */
    49→export function createMockProdConfig(overrides: Partial<CwcContentConfig> = {}): CwcContentConfig {
    50→  return {
    51→    runtimeEnvironment: 'prod',
    52→    isDev: false,

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/mocks/config.mock.ts",
  "old_string": "    debugMode: false,\n    logErrorsToDatabase: true,\n    contentCacheMaxSize: 100,\n    contentCacheTtlMs: 300000,\n    contentPayloadLimit: '10mb',\n    secrets: {\n      storageApiKey: 'prod-storage-api-key',\n    },",
  "new_string": "    debugMode: false,\n    logErrorsToDatabase: true,\n    contentCacheEnabled: true,\n    contentCacheMaxSize: 100,\n    contentCacheTtlMs: 300000,\n    contentPayloadLimit: '10mb',\n    secrets: {\n      storageApiKey: 'prod-storage-api-key',\n    },"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/mocks/config.mock.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    62→    corsOrigin: 'https://codingwithclaude.com',
    63→    devCorsOrigin: '',
    64→    rateLimiterPoints: 15,
    65→    rateLimiterDuration: 1,
    66→    debugMode: false,
    67→    logErrorsToDatabase: true,
    68→    contentCacheEnabled: true,
    69→    contentCacheMaxSize: 100,
    70→    contentCacheTtlMs: 300000,
    71→    contentPayloadLimit: '10mb',
    72→    secrets: {
    73→      storageApiKey: 'prod-storage-api-key',
    74→    },
    75→    ...overrides,
    76→  };
    77→}
    78→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/mocks/config.mock.ts",
  "old_string": "    debugMode: true,\n    logErrorsToDatabase: false,\n    contentCacheMaxSize: 100,\n    contentCacheTtlMs: 300000,\n    contentPayloadLimit: '10mb',\n    secrets: {\n      storageApiKey: 'unit-storage-api-key',\n    },",
  "new_string": "    debugMode: true,\n    logErrorsToDatabase: false,\n    contentCacheEnabled: true,\n    contentCacheMaxSize: 100,\n    contentCacheTtlMs: 300000,\n    contentPayloadLimit: '10mb',\n    secrets: {\n      storageApiKey: 'unit-storage-api-key',\n    },"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/mocks/config.mock.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    95→    corsOrigin: '*',
    96→    devCorsOrigin: 'http://localhost:5173',
    97→    rateLimiterPoints: 100,
    98→    rateLimiterDuration: 1,
    99→    debugMode: true,
   100→    logErrorsToDatabase: false,
   101→    contentCacheEnabled: true,
   102→    contentCacheMaxSize: 100,
   103→    contentCacheTtlMs: 300000,
   104→    contentPayloadLimit: '10mb',
   105→    secrets: {
   106→      storageApiKey: 'unit-storage-api-key',
   107→    },
   108→    ...overrides,
   109→  };
   110→}
   111→

{
  "command": "pnpm --filter cwc-content typecheck 2>&1",
  "description": "Run typecheck on cwc-content"
}

> cwc-content@1.0.0 typecheck /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content
> tsc --noEmit

{
  "command": "NODE_ENV=unit pnpm --filter cwc-content test 2>&1 | tail -30",
  "description": "Run tests on cwc-content"
}

    Expected: true
    Received: false

      39 |         payload: {},
      40 |       });
    > 41 |       expect(result.allowed).toBe(true);
         |                              ^
      42 |     });
      43 |
      44 |     it('should allow authenticated user', () => {

      at Object.<anonymous> (src/__tests__/policies/checkRouteAccess.test.ts:41:30)

PASS src/__tests__/context/createContext.test.ts
  ● Console

    console.log
      [dotenv@17.2.3] injecting env (15) from ../../../../private/cwc-secrets/env/unit.cwc-content.env -- tip: 🔑 add access controls to secrets: https://dotenvx.com/ops

      at _log (../../node_modules/.pnpm/dotenv@17.2.3/node_modules/dotenv/lib/main.js:142:11)


Test Suites: 1 failed, 4 passed, 5 total
Tests:       1 failed, 62 passed, 63 total
Snapshots:   0 total
Time:        0.666 s, estimated 1 s
Ran all test suites.
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content:
 ERR_PNPM_RECURSIVE_RUN_FIRST_FAIL  cwc-content@1.0.0 test: `RUNTIME_ENVIRONMENT=unit jest`
Exit status 1

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/CLAUDE.md",
  "offset": 100,
  "limit": 30
}

   100→}
   101→```
   102→
   103→## Cache Design
   104→
   105→**ContentCache (LRU with TTL):**
   106→
   107→- Max entries: 100 (configurable via `CONTENT_CACHE_MAX_SIZE`)
   108→- TTL: 5 minutes (configurable via `CONTENT_CACHE_TTL_MS`)
   109→- Cache key: `${projectId}:${filename}`
   110→
   111→**Invalidation:**
   112→
   113→- PUT: Invalidate entry (new data replaces cached)
   114→- DELETE: Invalidate entry
   115→- TTL expiry: Lazy eviction on next access
   116→
   117→## Configuration
   118→
   119→**Required Environment Variables:**
   120→
   121→```bash
   122→RUNTIME_ENVIRONMENT=dev
   123→SERVICE_PORT=5008
   124→CORS_ORIGIN=http://localhost:5173
   125→AUTH_URI_INTERNAL=http://localhost:5005/auth/v1
   126→STORAGE_URI_INTERNAL=http://localhost:5030/storage/v1
   127→DATA_URI_INTERNAL=http://localhost:5020/data/v1
   128→DATA_URI_EXTERNAL=http://localhost:5020/data/v1
   129→STORAGE_API_KEY=<secret>

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/CLAUDE.md",
  "old_string": "## Cache Design\n\n**ContentCache (LRU with TTL):**\n\n- Max entries: 100 (configurable via `CONTENT_CACHE_MAX_SIZE`)\n- TTL: 5 minutes (configurable via `CONTENT_CACHE_TTL_MS`)\n- Cache key: `${projectId}:${filename}`",
  "new_string": "## Cache Design\n\n**ContentCache (LRU with TTL):**\n\n- Enabled: configurable via `CONTENT_CACHE_ENABLED` (default: true)\n- Max entries: 100 (configurable via `CONTENT_CACHE_MAX_SIZE`)\n- TTL: 5 minutes (configurable via `CONTENT_CACHE_TTL_MS`)\n- Cache key: `${projectId}:${filename}`"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/CLAUDE.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    99→  filename: string;
   100→}
   101→```
   102→
   103→## Cache Design
   104→
   105→**ContentCache (LRU with TTL):**
   106→
   107→- Enabled: configurable via `CONTENT_CACHE_ENABLED` (default: true)
   108→- Max entries: 100 (configurable via `CONTENT_CACHE_MAX_SIZE`)
   109→- TTL: 5 minutes (configurable via `CONTENT_CACHE_TTL_MS`)
   110→- Cache key: `${projectId}:${filename}`
   111→
   112→**Invalidation:**
   113→
   114→- PUT: Invalidate entry (new data replaces cached)

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/CLAUDE.md",
  "old_string": "DEBUG_MODE=ON\nLOG_ERRORS_TO_DATABASE=ON\nCONTENT_CACHE_MAX_SIZE=100\nCONTENT_CACHE_TTL_MS=300000",
  "new_string": "DEBUG_MODE=ON\nLOG_ERRORS_TO_DATABASE=ON\nCONTENT_CACHE_ENABLED=ON\nCONTENT_CACHE_MAX_SIZE=100\nCONTENT_CACHE_TTL_MS=300000"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/CLAUDE.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   129→DATA_URI_EXTERNAL=http://localhost:5020/data/v1
   130→STORAGE_API_KEY=<secret>
   131→RATE_LIMITER_POINTS=15
   132→RATE_LIMITER_DURATION=1
   133→DEBUG_MODE=ON
   134→LOG_ERRORS_TO_DATABASE=ON
   135→CONTENT_CACHE_ENABLED=ON
   136→CONTENT_CACHE_MAX_SIZE=100
   137→CONTENT_CACHE_TTL_MS=300000
   138→```
   139→
   140→**DATA_URI_INTERNAL:** Used for SqlClient to verify session published status via cwc-sql.
   141→**DATA_URI_EXTERNAL:** Available for future cross-server deployment scenarios.

{
  "pattern": "CONTENT_CACHE_MAX_SIZE",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper",
  "output_mode": "content",
  "-B": 2,
  "-C": 5
}

No matches found

{
  "pattern": "cwc-content",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper",
  "output_mode": "content",
  "-B": 2,
  "-C": 10
}

/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-7-----------------------------------------------------------
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-8-Service Configuration
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-9-----------------------------------------------------------
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-10-
packages/cwc-configuration-helper/src/configuration.ts-11-Service ports (used for both Docker and localhost development):
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-12-
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-13-service               port
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-14--------               ----
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-15-cwc-admin-api         5004
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-16-cwc-auth              5005
packages/cwc-configuration-helper/src/configuration.ts:17:cwc-content           5008
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-18-cwc-sql               5020
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-19-cwc-storage           5030
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-20-cwc-api               5040
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-21-cwc-website           (nginx)
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-22-cwc-dashboard         (nginx)
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-23-
packages/cwc-configuration-helper/src/configuration.ts-24-For Docker Compose deployments, services communicate via DNS names (e.g., cwc-sql:5020).
packages/cwc-configuration-helper/src/configuration.ts-25-For localhost development, services communicate via localhost (e.g., localhost:5020).
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-26-
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-27-See docker-compose-upgrade.md in cwc-deployment for migration details.
--
packages/cwc-configuration-helper/src/configuration.ts-64-  databaseName: string;
packages/cwc-configuration-helper/src/configuration.ts-65-  databaseConnectTimeout: number;
packages/cwc-configuration-helper/src/configuration.ts-66-  databaseConnectionAcquireTimeout: number;
packages/cwc-configuration-helper/src/configuration.ts-67-  databaseConnectionQueueLimit: number;
packages/cwc-configuration-helper/src/configuration.ts-68-  databaseConnectionLimit: number;
packages/cwc-configuration-helper/src/configuration.ts-69-  queryCacheEnabled: boolean;
packages/cwc-configuration-helper/src/configuration.ts-70-  queryCacheTtl: number; // minutes
packages/cwc-configuration-helper/src/configuration.ts-71-  queryCacheMaxKeys: number;
packages/cwc-configuration-helper/src/configuration.ts-72-  storageVolumePath: string; // cwc-storage service
packages/cwc-configuration-helper/src/configuration.ts-73-  storageLogPath: string; // cwc-storage service
packages/cwc-configuration-helper/src/configuration.ts:74:  contentCacheMaxSize: number; // cwc-content cache max entries
packages/cwc-configuration-helper/src/configuration.ts:75:  contentCacheTtlMs: number; // cwc-content cache TTL in milliseconds
packages/cwc-configuration-helper/src/configuration.ts:76:  contentPayloadLimit: string; // cwc-content max upload size (e.g., '10mb')
packages/cwc-configuration-helper/src/configuration.ts-77-  storagePayloadLimit: string; // cwc-storage max upload size (e.g., '10mb')
packages/cwc-configuration-helper/src/configuration.ts-78-  sqlConnectionDebugMode: boolean; // cwc-sql verbose mariadb packet logging
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-79-  // cwc-session-importer paths (Claude Code data locations)
packages/cwc-configuration-helper/src/configuration.ts-80-  sessionImporterProjectsPath: string;
packages/cwc-configuration-helper/src/configuration.ts-81-  sessionImporterFileHistoryPath: string;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-82-  // cwc-session-importer auto-login credentials (optional - can use --jwt instead)
packages/cwc-configuration-helper/src/configuration.ts-83-  sessionImporterUsername: string | undefined;
packages/cwc-configuration-helper/src/configuration.ts-84-  / Rate limiting (environment-specific: dev is generous, prod is strict)
packages/cwc-configuration-helper/src/configuration.ts-85-  rateLimiterPoints: number; // Max requests per duration
packages/cwc-configuration-helper/src/configuration.ts-86-  rateLimiterDuration: number; // Time window in seconds
--
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-95-type RuntimeConfigs = Record<RuntimeEnvironment, RuntimeConfigValues>;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-96-
packages/cwc-configuration-helper/src/configuration.ts-97-const runtimeConfigs: RuntimeConfigs = {
packages/cwc-configuration-helper/src/configuration.ts-98-  prod: {
packages/cwc-configuration-helper/src/configuration.ts-99-    corsOrigin: 'codingwithclaude.dev',
packages/cwc-configuration-helper/src/configuration.ts-100-    devCorsOrigin: 'http://localhost:5173',
packages/cwc-configuration-helper/src/configuration.ts-101-    authUriInternal: 'http://cwc-auth:5005/auth/v1',
packages/cwc-configuration-helper/src/configuration.ts-102-    apiUriInternal: 'http://cwc-api:5040/api/v1',
packages/cwc-configuration-helper/src/configuration.ts-103-    dataUriInternal: 'http://cwc-sql:5020/data/v1',
packages/cwc-configuration-helper/src/configuration.ts-104-    storageUriInternal: 'http://cwc-storage:5030/storage/v1',
packages/cwc-configuration-helper/src/configuration.ts:105:    contentUriInternal: 'http://cwc-content:5008/content/v1',
packages/cwc-configuration-helper/src/configuration.ts-106-    authUriExternal: 'https://auth.codingwithclaude.dev/auth/v1',
packages/cwc-configuration-helper/src/configuration.ts-107-    apiUriExternal: 'https://api.codingwithclaude.dev/api/v1',
packages/cwc-configuration-helper/src/configuration.ts-108-    dataUriExternal: 'https://data.codingwithclaude.dev/data/v1',
packages/cwc-configuration-helper/src/configuration.ts-109-    contentUriExternal: 'https://content.codingwithclaude.dev/content/v1',
packages/cwc-configuration-helper/src/configuration.ts-110-    logErrorsToDatabase: true,
packages/cwc-configuration-helper/src/configuration.ts-111-    userJwtExpiresIn: '15m',
packages/cwc-configuration-helper/src/configuration.ts-112-    userJwtExpiresInKulo: '30d',
packages/cwc-configuration-helper/src/configuration.ts-113-    tempJwtExpiresIn: '5m',
packages/cwc-configuration-helper/src/configuration.ts-114-    appUrl: 'https://codingwithclaude.dev',
packages/cwc-configuration-helper/src/configuration.ts-115-    debugMode: false,
--
packages/cwc-configuration-helper/src/configuration.ts-150-    websiteCodingSessionPaginationTargetSize: 150, // 150KB
packages/cwc-configuration-helper/src/configuration.ts-151-    websiteCodingSessionPaginationMaxContentSize: 30, // 30KB
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-152-  },
packages/cwc-configuration-helper/src/configuration.ts-153-  test: {
packages/cwc-configuration-helper/src/configuration.ts-154-    corsOrigin: 'test.codingwithclaude.dev',
packages/cwc-configuration-helper/src/configuration.ts-155-    devCorsOrigin: 'http://localhost:5173',
packages/cwc-configuration-helper/src/configuration.ts-156-    authUriInternal: 'http://cwc-auth:5005/auth/v1',
packages/cwc-configuration-helper/src/configuration.ts-157-    apiUriInternal: 'http://cwc-api:5040/api/v1',
packages/cwc-configuration-helper/src/configuration.ts-158-    dataUriInternal: 'http://cwc-sql:5020/data/v1',
packages/cwc-configuration-helper/src/configuration.ts-159-    storageUriInternal: 'http://cwc-storage:5030/storage/v1',
packages/cwc-configuration-helper/src/configuration.ts:160:    contentUriInternal: 'http://cwc-content:5008/content/v1',
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-161-    // External URIs use private network IP with path-based routing through nginx
packages/cwc-configuration-helper/src/configuration.ts-162-    authUriExternal: 'http://172.16.0.6/auth/v1',
packages/cwc-configuration-helper/src/configuration.ts-163-    apiUriExternal: 'http://172.16.0.6/api/v1',
packages/cwc-configuration-helper/src/configuration.ts-164-    dataUriExternal: 'http://172.16.0.6/data/v1',
packages/cwc-configuration-helper/src/configuration.ts-165-    contentUriExternal: 'http://172.16.0.6/content/v1',
packages/cwc-configuration-helper/src/configuration.ts-166-    logErrorsToDatabase: true,
packages/cwc-configuration-helper/src/configuration.ts-167-    userJwtExpiresIn: '15m',
packages/cwc-configuration-helper/src/configuration.ts-168-    userJwtExpiresInKulo: '30d',
packages/cwc-configuration-helper/src/configuration.ts-169-    tempJwtExpiresIn: '5m',
packages/cwc-configuration-helper/src/configuration.ts-170-    appUrl: 'https://test.codingwithclaude.dev',
--
packages/cwc-configuration-helper/src/configuration.ts-381-  port: number | undefined;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-382-};
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-383-
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-384-export type ServiceName =
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-385-  | 'cwc-api'
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-386-  | 'cwc-auth'
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-387-  | 'cwc-sql'
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-388-  | 'cwc-storage'
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-389-  | 'cwc-website'
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-390-  | 'cwc-dashboard'
packages/cwc-configuration-helper/src/configuration.ts:391:  | 'cwc-content'
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-392-  | 'cwc-admin-api'
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-393-  | 'cwc-session-importer';
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-394-
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-395-type ServiceConfigs = Record<ServiceName, ServiceConfigValues>;
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-396-
packages/cwc-configuration-helper/src/configuration.ts-397-const serviceConfigs: ServiceConfigs = {
packages/cwc-configuration-helper/src/configuration.ts-398-  'cwc-api': { port: 5040 },
packages/cwc-configuration-helper/src/configuration.ts-399-  'cwc-auth': { port: 5005 },
packages/cwc-configuration-helper/src/configuration.ts-400-  'cwc-sql': { port: 5020 },
packages/cwc-configuration-helper/src/configuration.ts-401-  'cwc-storage': { port: 5030 },
packages/cwc-configuration-helper/src/configuration.ts-402-  'cwc-website': { port: undefined },
packages/cwc-configuration-helper/src/configuration.ts-403-  'cwc-dashboard': { port: undefined },
packages/cwc-configuration-helper/src/configuration.ts:404:  'cwc-content': { port: 5008 },
packages/cwc-configuration-helper/src/configuration.ts-405-  'cwc-admin-api': { port: 5004 },
packages/cwc-configuration-helper/src/configuration.ts-406-  'cwc-session-importer': { port: undefined },
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-407-};
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-408-
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-409-/**
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-410- * Gets the merged configuration for a service in a specific runtime environment.
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-411- * Service-specific values override runtime defaults.
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-412- */
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts-413-export const getConfig = (
packages/cwc-configuration-helper/src/configuration.ts-414-  runtimeEnv: RuntimeEnvironment,

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts",
  "offset": 60,
  "limit": 100
}

    60→    | undefined;
    61→  endToEndMockValues: Record<string, string> | undefined;
    62→  databaseServer: string;
    63→  databasePort: number;
    64→  databaseName: string;
    65→  databaseConnectTimeout: number;
    66→  databaseConnectionAcquireTimeout: number;
    67→  databaseConnectionQueueLimit: number;
    68→  databaseConnectionLimit: number;
    69→  queryCacheEnabled: boolean;
    70→  queryCacheTtl: number; // minutes
    71→  queryCacheMaxKeys: number;
    72→  storageVolumePath: string; // cwc-storage service
    73→  storageLogPath: string; // cwc-storage service
    74→  contentCacheMaxSize: number; // cwc-content cache max entries
    75→  contentCacheTtlMs: number; // cwc-content cache TTL in milliseconds
    76→  contentPayloadLimit: string; // cwc-content max upload size (e.g., '10mb')
    77→  storagePayloadLimit: string; // cwc-storage max upload size (e.g., '10mb')
    78→  sqlConnectionDebugMode: boolean; // cwc-sql verbose mariadb packet logging
    79→  // cwc-session-importer paths (Claude Code data locations)
    80→  sessionImporterProjectsPath: string;
    81→  sessionImporterFileHistoryPath: string;
    82→  // cwc-session-importer auto-login credentials (optional - can use --jwt instead)
    83→  sessionImporterUsername: string | undefined;
    84→  // Rate limiting (environment-specific: dev is generous, prod is strict)
    85→  rateLimiterPoints: number; // Max requests per duration
    86→  rateLimiterDuration: number; // Time window in seconds
    87→  // cwc-website content display mode
    88→  websiteContentMode: 'Full' | 'Minimal';
    89→  // cwc-website pagination settings
    90→  websiteCodingSessionPaginationEnabled: boolean; // ON/OFF toggle
    91→  websiteCodingSessionPaginationTargetSize: number; // Target page size in KB
    92→  websiteCodingSessionPaginationMaxContentSize: number; // Max size estimate per content block in KB
    93→};
    94→
    95→type RuntimeConfigs = Record<RuntimeEnvironment, RuntimeConfigValues>;
    96→
    97→const runtimeConfigs: RuntimeConfigs = {
    98→  prod: {
    99→    corsOrigin: 'codingwithclaude.dev',
   100→    devCorsOrigin: 'http://localhost:5173',
   101→    authUriInternal: 'http://cwc-auth:5005/auth/v1',
   102→    apiUriInternal: 'http://cwc-api:5040/api/v1',
   103→    dataUriInternal: 'http://cwc-sql:5020/data/v1',
   104→    storageUriInternal: 'http://cwc-storage:5030/storage/v1',
   105→    contentUriInternal: 'http://cwc-content:5008/content/v1',
   106→    authUriExternal: 'https://auth.codingwithclaude.dev/auth/v1',
   107→    apiUriExternal: 'https://api.codingwithclaude.dev/api/v1',
   108→    dataUriExternal: 'https://data.codingwithclaude.dev/data/v1',
   109→    contentUriExternal: 'https://content.codingwithclaude.dev/content/v1',
   110→    logErrorsToDatabase: true,
   111→    userJwtExpiresIn: '15m',
   112→    userJwtExpiresInKulo: '30d',
   113→    tempJwtExpiresIn: '5m',
   114→    appUrl: 'https://codingwithclaude.dev',
   115→    debugMode: false,
   116→    renderDebugInfo: false,
   117→    smtp: {
   118→      useSandbox: false,
   119→      sandboxAddress: 'sandbox@codingwithclaude.dev',
   120→      serviceName: 'gmail',
   121→      authType: 'OAuth2',
   122→      senderAddress: 'support@codingwithclaude.dev',
   123→      senderName: 'Coding with Claude',
   124→    },
   125→    endToEndMockValues: undefined,
   126→    databaseServer: 'prod-cwc-database',
   127→    databasePort: 3381,
   128→    databaseName: 'cwc',
   129→    databaseConnectTimeout: 10000,
   130→    databaseConnectionAcquireTimeout: 30000,
   131→    databaseConnectionQueueLimit: 1000,
   132→    databaseConnectionLimit: 20,
   133→    queryCacheEnabled: false,
   134→    queryCacheTtl: 5, // minutes
   135→    queryCacheMaxKeys: 1000,
   136→    storageVolumePath: '/data/storage', // container mount point (host: /home/devops/prod-cwc-storage)
   137→    storageLogPath: '/data/logs', // container mount point (host: /home/devops/prod-cwc-storage-logs)
   138→    contentCacheMaxSize: 100,
   139→    contentCacheTtlMs: 300000, // 5 minutes
   140→    contentPayloadLimit: '10mb',
   141→    storagePayloadLimit: '10mb',
   142→    sqlConnectionDebugMode: false,
   143→    sessionImporterProjectsPath: '~/cwc/claude-code-transcripts/sessions', // session-importer: consolidated transcripts
   144→    sessionImporterFileHistoryPath: '~/cwc/claude-code-transcripts/file-history', // session-importer: consolidated file history
   145→    sessionImporterUsername: 'jeff', // Set in .env for auto-login
   146→    rateLimiterPoints: 15, // Strict rate limiting for production
   147→    rateLimiterDuration: 1,
   148→    websiteContentMode: 'Minimal', // Minimal landing page for prod until full site ready
   149→    websiteCodingSessionPaginationEnabled: true,
   150→    websiteCodingSessionPaginationTargetSize: 150, // 150KB
   151→    websiteCodingSessionPaginationMaxContentSize: 30, // 30KB
   152→  },
   153→  test: {
   154→    corsOrigin: 'test.codingwithclaude.dev',
   155→    devCorsOrigin: 'http://localhost:5173',
   156→    authUriInternal: 'http://cwc-auth:5005/auth/v1',
   157→    apiUriInternal: 'http://cwc-api:5040/api/v1',
   158→    dataUriInternal: 'http://cwc-sql:5020/data/v1',
   159→    storageUriInternal: 'http://cwc-storage:5030/storage/v1',

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts",
  "old_string": "  contentCacheMaxSize: number; // cwc-content cache max entries\n  contentCacheTtlMs: number; // cwc-content cache TTL in milliseconds",
  "new_string": "  contentCacheEnabled: boolean; // cwc-content cache on/off toggle\n  contentCacheMaxSize: number; // cwc-content cache max entries\n  contentCacheTtlMs: number; // cwc-content cache TTL in milliseconds"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    70→  queryCacheTtl: number; // minutes
    71→  queryCacheMaxKeys: number;
    72→  storageVolumePath: string; // cwc-storage service
    73→  storageLogPath: string; // cwc-storage service
    74→  contentCacheEnabled: boolean; // cwc-content cache on/off toggle
    75→  contentCacheMaxSize: number; // cwc-content cache max entries
    76→  contentCacheTtlMs: number; // cwc-content cache TTL in milliseconds
    77→  contentPayloadLimit: string; // cwc-content max upload size (e.g., '10mb')
    78→  storagePayloadLimit: string; // cwc-storage max upload size (e.g., '10mb')
    79→  sqlConnectionDebugMode: boolean; // cwc-sql verbose mariadb packet logging
    80→  // cwc-session-importer paths (Claude Code data locations)

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts",
  "old_string": "    storageLogPath: '/data/logs', // container mount point (host: /home/devops/prod-cwc-storage-logs)\n    contentCacheMaxSize: 100,\n    contentCacheTtlMs: 300000, // 5 minutes",
  "new_string": "    storageLogPath: '/data/logs', // container mount point (host: /home/devops/prod-cwc-storage-logs)\n    contentCacheEnabled: true,\n    contentCacheMaxSize: 100,\n    contentCacheTtlMs: 300000, // 5 minutes"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   134→    queryCacheEnabled: false,
   135→    queryCacheTtl: 5, // minutes
   136→    queryCacheMaxKeys: 1000,
   137→    storageVolumePath: '/data/storage', // container mount point (host: /home/devops/prod-cwc-storage)
   138→    storageLogPath: '/data/logs', // container mount point (host: /home/devops/prod-cwc-storage-logs)
   139→    contentCacheEnabled: true,
   140→    contentCacheMaxSize: 100,
   141→    contentCacheTtlMs: 300000, // 5 minutes
   142→    contentPayloadLimit: '10mb',
   143→    storagePayloadLimit: '10mb',
   144→    sqlConnectionDebugMode: false,
   145→    sessionImporterProjectsPath: '~/cwc/claude-code-transcripts/sessions', // session-importer: consolidated transcripts

{
  "pattern": "contentCacheMaxSize: 100",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts",
  "output_mode": "content",
  "-n": true,
  "-B": 2
}

138-    storageLogPath: '/data/logs', // container mount point (host: /home/devops/prod-cwc-storage-logs)
139-    contentCacheEnabled: true,
140:    contentCacheMaxSize: 100,
--
194-    storageVolumePath: '/data/storage', // container mount point (host: /home/devops/test-cwc-storage)
195-    storageLogPath: '/data/logs', // container mount point (host: /home/devops/test-cwc-storage-logs)
196:    contentCacheMaxSize: 100,
--
249-    storageVolumePath: '~/dev-cwc-storage',
250-    storageLogPath: '~/dev-cwc-storage-logs',
251:    contentCacheMaxSize: 100,
--
304-    storageVolumePath: '~/unit-cwc-storage',
305-    storageLogPath: '~/unit-cwc-storage-logs',
306:    contentCacheMaxSize: 100,
--
361-    storageVolumePath: '~/e2e-cwc-storage', // folder must be created on the test server
362-    storageLogPath: '~/e2e-cwc-storage-logs', // folder must be created on the test server
363:    contentCacheMaxSize: 100,

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts",
  "old_string": "    storageVolumePath: '/data/storage', // container mount point (host: /home/devops/test-cwc-storage)\n    storageLogPath: '/data/logs', // container mount point (host: /home/devops/test-cwc-storage-logs)\n    contentCacheMaxSize: 100,",
  "new_string": "    storageVolumePath: '/data/storage', // container mount point (host: /home/devops/test-cwc-storage)\n    storageLogPath: '/data/logs', // container mount point (host: /home/devops/test-cwc-storage-logs)\n    contentCacheEnabled: true,\n    contentCacheMaxSize: 100,"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   190→    databaseConnectionLimit: 20,
   191→    queryCacheEnabled: false,
   192→    queryCacheTtl: 5, // minutes
   193→    queryCacheMaxKeys: 1000,
   194→    storageVolumePath: '/data/storage', // container mount point (host: /home/devops/test-cwc-storage)
   195→    storageLogPath: '/data/logs', // container mount point (host: /home/devops/test-cwc-storage-logs)
   196→    contentCacheEnabled: true,
   197→    contentCacheMaxSize: 100,
   198→    contentCacheTtlMs: 300000, // 5 minutes
   199→    contentPayloadLimit: '10mb',
   200→    storagePayloadLimit: '10mb',
   201→    sqlConnectionDebugMode: false,

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts",
  "old_string": "    storageVolumePath: '~/dev-cwc-storage',\n    storageLogPath: '~/dev-cwc-storage-logs',\n    contentCacheMaxSize: 100,",
  "new_string": "    storageVolumePath: '~/dev-cwc-storage',\n    storageLogPath: '~/dev-cwc-storage-logs',\n    contentCacheEnabled: true,\n    contentCacheMaxSize: 100,"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   246→    databaseConnectionLimit: 20,
   247→    queryCacheEnabled: false,
   248→    queryCacheTtl: 5, // minutes
   249→    queryCacheMaxKeys: 1000,
   250→    storageVolumePath: '~/dev-cwc-storage',
   251→    storageLogPath: '~/dev-cwc-storage-logs',
   252→    contentCacheEnabled: true,
   253→    contentCacheMaxSize: 100,
   254→    contentCacheTtlMs: 300000, // 5 minutes
   255→    contentPayloadLimit: '10mb',
   256→    storagePayloadLimit: '10mb',
   257→    sqlConnectionDebugMode: false,

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts",
  "old_string": "    storageVolumePath: '~/unit-cwc-storage',\n    storageLogPath: '~/unit-cwc-storage-logs',\n    contentCacheMaxSize: 100,",
  "new_string": "    storageVolumePath: '~/unit-cwc-storage',\n    storageLogPath: '~/unit-cwc-storage-logs',\n    contentCacheEnabled: true,\n    contentCacheMaxSize: 100,"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   302→    databaseConnectionLimit: 20,
   303→    queryCacheEnabled: false,
   304→    queryCacheTtl: 5, // minutes
   305→    queryCacheMaxKeys: 1000,
   306→    storageVolumePath: '~/unit-cwc-storage',
   307→    storageLogPath: '~/unit-cwc-storage-logs',
   308→    contentCacheEnabled: true,
   309→    contentCacheMaxSize: 100,
   310→    contentCacheTtlMs: 300000, // 5 minutes
   311→    contentPayloadLimit: '10mb',
   312→    storagePayloadLimit: '10mb',
   313→    sqlConnectionDebugMode: false,

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts",
  "old_string": "    storageVolumePath: '~/e2e-cwc-storage', // folder must be created on the test server\n    storageLogPath: '~/e2e-cwc-storage-logs', // folder must be created on the test server\n    contentCacheMaxSize: 100,",
  "new_string": "    storageVolumePath: '~/e2e-cwc-storage', // folder must be created on the test server\n    storageLogPath: '~/e2e-cwc-storage-logs', // folder must be created on the test server\n    contentCacheEnabled: true,\n    contentCacheMaxSize: 100,"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper/src/configuration.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   360→    databaseConnectionLimit: 20,
   361→    queryCacheEnabled: false,
   362→    queryCacheTtl: 5, // minutes
   363→    queryCacheMaxKeys: 1000,
   364→    storageVolumePath: '~/e2e-cwc-storage', // folder must be created on the test server
   365→    storageLogPath: '~/e2e-cwc-storage-logs', // folder must be created on the test server
   366→    contentCacheEnabled: true,
   367→    contentCacheMaxSize: 100,
   368→    contentCacheTtlMs: 300000, // 5 minutes
   369→    contentPayloadLimit: '10mb',
   370→    storagePayloadLimit: '10mb',
   371→    sqlConnectionDebugMode: false,

{
  "command": "pnpm --filter cwc-configuration-helper typecheck 2>&1",
  "description": "Run typecheck on cwc-configuration-helper"
}

> cwc-configuration-helper@1.0.0 typecheck /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-configuration-helper
> tsc --noEmit

{
  "todos": [
    {
      "content": "Add debugLog best practices to CLAUDE.md",
      "status": "completed",
      "activeForm": "Adding debugLog best practices to CLAUDE.md"
    },
    {
      "content": "Review PR #51 and produce a report",
      "status": "completed",
      "activeForm": "Reviewing PR #51"
    },
    {
      "content": "Add tech debt items for SqlClient typing and cwc-types/cwc-schema merge",
      "status": "completed",
      "activeForm": "Adding tech debt items"
    },
    {
      "content": "Implement: SqlClient schema validation",
      "status": "completed",
      "activeForm": "Implementing SqlClient schema validation"
    },
    {
      "content": "Implement: Add CONTENT_CACHE_ENABLED config toggle",
      "status": "completed",
      "activeForm": "Implementing cache toggle config"
    },
    {
      "content": "Plan: Investigate QUERY_CACHE_ENABLED in cwc-sql",
      "status": "in_progress",
      "activeForm": "Planning query cache investigation"
    },
    {
      "content": "Plan: Identify other services with caching",
      "status": "pending",
      "activeForm": "Planning caching audit"
    },
    {
      "content": "Plan: Add debug logging to cwc-content",
      "status": "pending",
      "activeForm": "Planning cwc-content debug logging"
    },
    {
      "content": "Plan: Add debug logging to cwc-sql",
      "status": "pending",
      "activeForm": "Planning cwc-sql debug logging"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "pattern": "queryCacheEnabled|queryCache",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql",
  "output_mode": "files_with_matches"
}

Found 7 files
packages/cwc-sql/src/__tests__/config.test.ts
packages/cwc-sql/src/index.ts
packages/cwc-sql/src/config/loadConfig.ts
packages/cwc-sql/src/config/config.types.ts
packages/cwc-sql/src/__tests__/queryCache.test.ts
packages/cwc-sql/src/cache/queryCache.ts
packages/cwc-sql/src/cache/index.ts

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts"
}

     1→import NodeCache from 'node-cache';
     2→import type { CwcSqlConfig } from '../config';
     3→import type { SqlClientOperation } from 'cwc-backend-utils';
     4→
     5→/**
     6→ * Query cache manager with table-specific invalidation
     7→ */
     8→export class QueryCache {
     9→  private cache: NodeCache;
    10→  private config: CwcSqlConfig;
    11→  private tableCacheKeys: Map<string, Set<string>>;
    12→
    13→  constructor(config: CwcSqlConfig) {
    14→    this.config = config;
    15→    this.tableCacheKeys = new Map();
    16→
    17→    // Create cache with TTL in seconds (config is in minutes)
    18→    this.cache = new NodeCache({
    19→      stdTTL: config.queryCacheTtl * 60,
    20→      maxKeys: config.queryCacheMaxKeys,
    21→      checkperiod: 60, // Check for expired keys every 60 seconds
    22→      useClones: false, // Don't clone objects for better performance
    23→    });
    24→
    25→    // Handle key deletion to clean up table mappings
    26→    this.cache.on('del', (key: string) => {
    27→      this.removeKeyFromTableMapping(key);
    28→    });
    29→
    30→    // Handle key expiration to clean up table mappings
    31→    this.cache.on('expired', (key: string) => {
    32→      this.removeKeyFromTableMapping(key);
    33→    });
    34→
    35→    if (config.debugMode) {
    36→      console.log('[cwc-sql] Query cache initialized:');
    37→      console.log(`  TTL: ${config.queryCacheTtl} minutes`);
    38→      console.log(`  Max Keys: ${config.queryCacheMaxKeys}`);
    39→    }
    40→  }
    41→
    42→  /**
    43→   * Generates a cache key from an operation
    44→   */
    45→  private generateCacheKey(operation: SqlClientOperation): string {
    46→    // Create a stable string representation of the operation
    47→    const keyParts = [
    48→      operation.operationType,
    49→      operation.table || '',
    50→      JSON.stringify(operation.fields || []),
    51→      JSON.stringify(operation.filters || {}),
    52→      JSON.stringify(operation.sort || []),
    53→      JSON.stringify(operation.limit || null),
    54→      JSON.stringify(operation.custom || null),
    55→    ];
    56→
    57→    // Simple hash function for the key
    58→    return `query:${keyParts.join(':')}`;
    59→  }
    60→
    61→  /**
    62→   * Tracks which tables a cache key is associated with
    63→   */
    64→  private trackCacheKeyForTable(table: string, cacheKey: string): void {
    65→    if (!this.tableCacheKeys.has(table)) {
    66→      this.tableCacheKeys.set(table, new Set());
    67→    }
    68→
    69→    const keys = this.tableCacheKeys.get(table);
    70→    if (keys) {
    71→      keys.add(cacheKey);
    72→    }
    73→  }
    74→
    75→  /**
    76→   * Removes a cache key from all table mappings
    77→   */
    78→  private removeKeyFromTableMapping(cacheKey: string): void {
    79→    for (const [table, keys] of this.tableCacheKeys.entries()) {
    80→      keys.delete(cacheKey);
    81→
    82→      // Clean up empty sets
    83→      if (keys.size === 0) {
    84→        this.tableCacheKeys.delete(table);
    85→      }
    86→    }
    87→  }
    88→
    89→  /**
    90→   * Gets a cached query result
    91→   * Returns undefined if not found or cache is disabled
    92→   */
    93→  get<T>(operation: SqlClientOperation): T | undefined {
    94→    if (!this.config.queryCacheEnabled) {
    95→      return undefined;
    96→    }
    97→
    98→    // Only cache SELECT operations
    99→    if (operation.operationType !== 'select') {
   100→      return undefined;
   101→    }
   102→
   103→    const cacheKey = this.generateCacheKey(operation);
   104→    const cached = this.cache.get<T>(cacheKey);
   105→
   106→    if (this.config.debugMode && cached !== undefined) {
   107→      console.log(`[cwc-sql] Cache HIT for table: ${operation.table}`);
   108→    }
   109→
   110→    return cached;
   111→  }
   112→
   113→  /**
   114→   * Stores a query result in the cache
   115→   */
   116→  set<T>(operation: SqlClientOperation, value: T): void {
   117→    if (!this.config.queryCacheEnabled) {
   118→      return;
   119→    }
   120→
   121→    // Only cache SELECT operations
   122→    if (operation.operationType !== 'select') {
   123→      return;
   124→    }
   125→
   126→    const cacheKey = this.generateCacheKey(operation);
   127→    this.cache.set(cacheKey, value);
   128→
   129→    // Track this cache key for the table
   130→    if (operation.table) {
   131→      this.trackCacheKeyForTable(operation.table, cacheKey);
   132→    }
   133→
   134→    // Also track custom tables if present
   135→    if (operation.custom?.customTables) {
   136→      for (const table of operation.custom.customTables) {
   137→        this.trackCacheKeyForTable(table, cacheKey);
   138→      }
   139→    }
   140→
   141→    if (this.config.debugMode) {
   142→      console.log(`[cwc-sql] Cached result for table: ${operation.table}`);
   143→    }
   144→  }
   145→
   146→  /**
   147→   * Invalidates all cache entries for a specific table
   148→   */
   149→  invalidateTable(table: string): void {
   150→    if (!this.config.queryCacheEnabled) {
   151→      return;
   152→    }
   153→
   154→    const keys = this.tableCacheKeys.get(table);
   155→    if (!keys) {
   156→      return; // No cached entries for this table
   157→    }
   158→
   159→    // Delete all cache entries for this table
   160→    for (const key of keys) {
   161→      this.cache.del(key);
   162→    }
   163→
   164→    // Clean up the table mapping
   165→    this.tableCacheKeys.delete(table);
   166→
   167→    if (this.config.debugMode) {
   168→      console.log(`[cwc-sql] Invalidated cache for table: ${table} (${keys.size} entries)`);
   169→    }
   170→  }
   171→
   172→  /**
   173→   * Invalidates all cache entries for multiple tables
   174→   */
   175→  invalidateTables(tables: string[]): void {
   176→    for (const table of tables) {
   177→      this.invalidateTable(table);
   178→    }
   179→  }
   180→
   181→  /**
   182→   * Clears the entire cache
   183→   */
   184→  clear(): void {
   185→    this.cache.flushAll();
   186→    this.tableCacheKeys.clear();
   187→
   188→    if (this.config.debugMode) {
   189→      console.log('[cwc-sql] Cleared entire cache');
   190→    }
   191→  }
   192→
   193→  /**
   194→   * Gets cache statistics
   195→   */
   196→  getStats(): {
   197→    keys: number;
   198→    hits: number;
   199→    misses: number;
   200→    hitRate: number;
   201→    tables: number;
   202→  } {
   203→    const stats = this.cache.getStats();
   204→
   205→    return {
   206→      keys: stats.keys,
   207→      hits: stats.hits,
   208→      misses: stats.misses,
   209→      hitRate: stats.hits / (stats.hits + stats.misses) || 0,
   210→      tables: this.tableCacheKeys.size,
   211→    };
   212→  }
   213→}
   214→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/config/config.types.ts",
  "offset": 1,
  "limit": 60
}

     1→import type { RuntimeEnvironment } from 'cwc-types';
     2→
     3→/**
     4→ * Secret configuration values for cwc-sql (from .env file)
     5→ * These values must be provided via secrets file, never committed to code
     6→ */
     7→export type CwcSqlConfigSecrets = {
     8→  databaseUser: string;
     9→  databasePassword: string;
    10→};
    11→
    12→/**
    13→ * Configuration for the cwc-sql microservice
    14→ */
    15→export type CwcSqlConfig = {
    16→  // Environment
    17→  runtimeEnvironment: RuntimeEnvironment;
    18→  isProd: boolean;
    19→  isDev: boolean;
    20→  isTest: boolean;
    21→  isUnit: boolean;
    22→  isE2E: boolean;
    23→
    24→  // Service
    25→  servicePort: number;
    26→
    27→  // Database connection
    28→  databaseServer: string;
    29→  databasePort: number;
    30→  databaseName: string;
    31→  databaseConnectTimeout: number;
    32→  databaseConnectionAcquireTimeout: number;
    33→  databaseConnectionQueueLimit: number;
    34→  databaseConnectionLimit: number;
    35→
    36→  // Security
    37→  corsOrigin: string;
    38→  sqlClientApiKey: string; // Public key for JWT verification (read from .pem file, not .env)
    39→
    40→  // Rate limiting
    41→  rateLimiterPoints: number;
    42→  rateLimiterDuration: number;
    43→
    44→  // Debugging
    45→  debugMode: boolean;
    46→  sqlConnectionDebugMode: boolean; // Verbose mariadb packet logging (very noisy)
    47→  logErrorsToDatabase: boolean;
    48→
    49→  // Query caching
    50→  queryCacheEnabled: boolean;
    51→  queryCacheTtl: number;
    52→  queryCacheMaxKeys: number;
    53→
    54→  // End-to-end testing mock values
    55→  endToEndMockValues?: Record<string, string>;
    56→
    57→  // Secrets from .env (nested)
    58→  secrets: CwcSqlConfigSecrets;
    59→};
    60→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "todos": [
    {
      "content": "Add debugLog best practices to CLAUDE.md",
      "status": "completed",
      "activeForm": "Adding debugLog best practices to CLAUDE.md"
    },
    {
      "content": "Review PR #51 and produce a report",
      "status": "completed",
      "activeForm": "Reviewing PR #51"
    },
    {
      "content": "Add tech debt items for SqlClient typing and cwc-types/cwc-schema merge",
      "status": "completed",
      "activeForm": "Adding tech debt items"
    },
    {
      "content": "Implement: SqlClient schema validation",
      "status": "completed",
      "activeForm": "Implementing SqlClient schema validation"
    },
    {
      "content": "Implement: Add CONTENT_CACHE_ENABLED config toggle",
      "status": "completed",
      "activeForm": "Implementing cache toggle config"
    },
    {
      "content": "Investigate: QUERY_CACHE_ENABLED in cwc-sql",
      "status": "completed",
      "activeForm": "Investigating query cache"
    },
    {
      "content": "Investigate: Identify other services with caching",
      "status": "in_progress",
      "activeForm": "Identifying services with caching"
    },
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      "content": "Plan: Add debug logging to cwc-content",
      "status": "pending",
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    },
    {
      "content": "Plan: Add debug logging to cwc-sql",
      "status": "pending",
      "activeForm": "Planning cwc-sql debug logging"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

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  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages",
  "output_mode": "files_with_matches",
  "glob": "**/src/**/*.ts"
}

Found 46 files
packages/cwc-configuration-helper/src/configuration.ts
packages/cwc-content/src/__tests__/mocks/config.mock.ts
packages/cwc-content/src/__tests__/handlers/ContentHandler.test.ts
packages/cwc-content/src/apis/ContentApiV1/ContentApiV1.ts
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts
packages/cwc-content/src/config/loadConfig.ts
packages/cwc-content/src/config/config.types.ts
packages/cwc-types/src/sessionData.types.ts
packages/cwc-storage/src/apis/StorageApiV1/index.ts
packages/cwc-sql/src/handlers/commandHandler.ts
packages/cwc-content/src/index.ts
packages/cwc-content/src/apis/ContentApiV1/routes.ts
packages/cwc-website/src/views/server/CodingSession/codingSessionPageLoader.ts
packages/cwc-website/src/views/server/CodingSession/codingSessionLoader.ts
packages/cwc-website/src/prerender/sessionPagination.ts
packages/cwc-website/src/config/loadConfig.ts
packages/cwc-website/src/__tests__/mocks/entities.mock.ts
packages/cwc-transcript-parser/src/types/transcript.ts
packages/cwc-transcript-parser/src/parser/session-parser.ts
packages/cwc-transcript-parser/src/converter/session-data-converter.ts
packages/cwc-storage/src/config/loadConfig.ts
packages/cwc-sql/src/__tests__/config.test.ts
packages/cwc-auth/src/config/loadConfig.ts
packages/cwc-auth/src/__tests__/config.test.ts
packages/cwc-api/src/config/loadConfig.ts
packages/cwc-api/src/__tests__/config.test.ts
packages/cwc-storage/src/apis/StorageApiV1/routes.ts
packages/cwc-deployment/src/website-build/build.ts
packages/cwc-website/src/prerender/index.ts
packages/cwc-sql/src/index.ts
packages/cwc-session-importer/src/config/loadConfig.ts
packages/cwc-session-importer/src/config/index.ts
packages/cwc-sql/src/config/loadConfig.ts
packages/cwc-sql/src/config/config.types.ts
packages/cwc-content/src/cache/index.ts
packages/cwc-content/src/cache/ContentCache.ts
packages/cwc-content/src/__tests__/cache/ContentCache.test.ts
packages/cwc-sql/src/__tests__/queryCache.test.ts
packages/cwc-storage/src/apis/StorageApiV1/types.ts
packages/cwc-sql/src/handlers/updateHandler.ts
packages/cwc-sql/src/handlers/selectHandler.ts
packages/cwc-sql/src/handlers/insertHandler.ts
packages/cwc-sql/src/handlers/executeOperation.ts
packages/cwc-sql/src/handlers/deleteHandler.ts
packages/cwc-sql/src/cache/queryCache.ts
packages/cwc-sql/src/cache/index.ts

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  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages",
  "output_mode": "content",
  "glob": "**/src/**/*.ts"
}

packages/cwc-content/src/__tests__/handlers/ContentHandler.test.ts:34:    cache = new ContentCache(100, 300000);
packages/cwc-content/src/__tests__/cache/ContentCache.test.ts:10:    cache = new ContentCache(3, 60000); // 3 entries, 1 minute TTL
packages/cwc-content/src/__tests__/cache/ContentCache.test.ts:29:      const shortCache = new ContentCache(3, 1);
packages/cwc-content/src/__tests__/cache/ContentCache.test.ts:135:      const shortCache = new ContentCache(10, 1);
packages/cwc-sql/src/cache/queryCache.ts:8:export class QueryCache {
packages/cwc-sql/src/cache/queryCache.ts:18:    this.cache = new NodeCache({
packages/cwc-sql/src/index.ts:100:    const cache = new QueryCache(config);
packages/cwc-sql/src/__tests__/queryCache.test.ts:35:    cache = new QueryCache(config);
packages/cwc-sql/src/__tests__/queryCache.test.ts:209:    const disabledCache = new QueryCache(disabledConfig);
packages/cwc-content/src/cache/ContentCache.ts:20:export class ContentCache {
packages/cwc-content/src/apis/ContentApiV1/ContentApiV1.ts:41:    const cache = new ContentCache(config.contentCacheMaxSize, config.contentCacheTtlMs);

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    {
      "content": "Review PR #51 and produce a report",
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      "content": "Add tech debt items for SqlClient typing and cwc-types/cwc-schema merge",
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      "content": "Implement: Add CONTENT_CACHE_ENABLED config toggle",
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    {
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    {
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      "status": "pending",
      "activeForm": "Investigating cwc-sql debug logging"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "pattern": "debugLog",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content",
  "output_mode": "content",
  "-n": true
}

packages/cwc-content/src/index.ts:17:import { debugLog } from './utils';
packages/cwc-content/src/index.ts:62:  debugLog('main', 'createBackendUtilsConfig', { backendConfig });
packages/cwc-content/src/policies/checkRouteAccess.ts:6:import { debugLog } from '../utils';
packages/cwc-content/src/policies/checkRouteAccess.ts:35:  debugLog('checkRouteAccess', 'checkRouteAccess', { context, requiredRole, payload });
packages/cwc-content/src/policies/checkRouteAccess.ts:39:    debugLog('checkRouteAccess', 'guest-user', 'Access granted');
packages/cwc-content/src/policies/checkRouteAccess.ts:46:      debugLog('checkRouteAccess', 'logged-on-user', 'Not authenticated - Access denied');
packages/cwc-content/src/policies/checkRouteAccess.ts:52:    debugLog('checkRouteAccess', 'logged-on-user', 'Is authenticated - Access granted');
packages/cwc-content/src/policies/checkRouteAccess.ts:59:      debugLog('checkRouteAccess', 'project-owner', 'Not authenticated - Access denied');
packages/cwc-content/src/policies/checkRouteAccess.ts:68:      debugLog('checkRouteAccess', 'project-owner', 'Missing projectId - Access denied');
packages/cwc-content/src/policies/checkRouteAccess.ts:76:      debugLog('checkRouteAccess', 'project-owner', 'Does not own project - Access denied');
packages/cwc-content/src/policies/checkRouteAccess.ts:83:    debugLog('checkRouteAccess', 'project-owner', 'Owns project - Access granted');
packages/cwc-content/src/policies/checkRouteAccess.ts:88:  debugLog('checkRouteAccess', requiredRole, 'UNKNOWN ROLE - Access denied');
packages/cwc-content/src/utils/index.ts:3:export { debugLog } from './debugLog';
packages/cwc-content/src/utils/debugLog.ts:13:export function debugLog(context: string, message: string, data?: unknown): void {
packages/cwc-content/src/context/createContext.ts:4:import { debugLog } from '../utils';
packages/cwc-content/src/context/createContext.ts:27:    debugLog('createContext', 'Verifying token with cwc-auth...');
packages/cwc-content/src/context/createContext.ts:29:    debugLog('createContext', 'Verify result:', {
packages/cwc-content/src/context/createContext.ts:36:      debugLog('createContext', 'Token verification failed, returning guest context');
packages/cwc-content/src/context/createContext.ts:41:    debugLog('createContext', 'Token verified, returning authenticated context');
packages/cwc-content/src/context/createContext.ts:45:    debugLog('createContext', 'Auth service error:', error);
packages/cwc-content/src/apis/FetchApiV1/handleFileGet.ts:7:import { debugLog } from '../../utils';
packages/cwc-content/src/apis/FetchApiV1/handleFileGet.ts:58:    debugLog('FetchApiV1', 'handleFileGet - ERROR', { error: getErrorInfo(error) });
packages/cwc-content/src/apis/FetchApiV1/index.ts:11:import { debugLog } from '../../utils';
packages/cwc-content/src/apis/FetchApiV1/index.ts:53:        debugLog('FetchApiV1.handler', 'response ALREADY SENT');
packages/cwc-content/src/apis/FetchApiV1/index.ts:59:        debugLog('FetchApiV1.handler', 'invalid METHOD', { request_method: req.method });
packages/cwc-content/src/apis/FetchApiV1/index.ts:67:        debugLog('FetchApiV1.handler', 'Match route patterns', { match });
packages/cwc-content/src/apis/FetchApiV1/index.ts:71:          debugLog('FetchApiV1.handler', 'Parse and validate the path', { parsed });
packages/cwc-content/src/apis/FetchApiV1/index.ts:73:            debugLog(
packages/cwc-content/src/apis/FetchApiV1/index.ts:91:          debugLog('FetchApiV1.handler', 'Create request context', {
packages/cwc-content/src/apis/FetchApiV1/index.ts:102:          debugLog('FetchApiV1.handler', 'Check route-level access', { accessResult });
packages/cwc-content/src/apis/FetchApiV1/index.ts:105:            debugLog('FetchApiV1.handler', 'Check route-level access - ACCESS DENIED');
packages/cwc-content/src/apis/FetchApiV1/index.ts:124:          debugLog('FetchApiV1.handler', 'calling handleFileGet...');
packages/cwc-content/src/apis/FetchApiV1/index.ts:128:          debugLog('FetchApiV1.handler', 'handleFileGet response', { response });
packages/cwc-content/src/apis/FetchApiV1/index.ts:132:          debugLog('FetchApiV1.handler', 'NO MATCHING ROUTE', { route });
packages/cwc-content/src/apis/FetchApiV1/index.ts:139:      debugLog('FetchApiV1.handler', 'ERROR', { error: getErrorInfo(error) });
packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts:15:import { debugLog } from '../../utils';
packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts:45:    debugLog('RequestHandler', 'processRequest', { authHeader, payload, routeConfig });
packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts:53:      debugLog('RequestHandler', 'processRequest', { context });
packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts:61:      debugLog('RequestHandler', 'processRequest', { routeAccessResult });
packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts:64:        debugLog('RequestHandler', 'processRequest - ACCESS DENIED', { routeAccessResult });
packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts:68:      debugLog('RequestHandler', 'processRequest - ACCESS GRANTED', { routeAccessResult });
packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts:72:      debugLog('RequestHandler', 'processRequest - ERROR', { error: getErrorInfo(error) });
packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts:83:      debugLog('RequestHandler', 'executeOperation', { context, payload, routeConfig });
packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts:89:        debugLog('RequestHandler', 'executeOperation - success', { result });
packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts:93:      debugLog('RequestHandler', 'executeOperation - FAILED', { result });
packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts:96:      debugLog('RequestHandler', 'executeOperation - ERROR', { error: getErrorInfo(error) });
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:12:import { debugLog } from '../../utils';
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:58:    debugLog('ContentHandler', 'isSessionPublished', { codingSessionPkId });
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:69:      debugLog('ContentHandler', 'isSessionPublished', {
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:74:      debugLog('ContentHandler', 'isSessionPublished', {
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:79:      debugLog('ContentHandler', 'isSessionPublished', {
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:83:      debugLog('ContentHandler', 'isSessionPublished - ERROR', { error: getErrorInfo(error) });
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:102:      debugLog('ContentHandler', 'getCodingSession', { payload, context });
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:104:      debugLog('ContentHandler', 'getCodingSession', { projectId, filename });
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:108:        debugLog('ContentHandler', 'getCodingSession', 'Missing field: projectId');
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:116:        debugLog('ContentHandler', 'getCodingSession', 'Missing field: filename');
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:127:        debugLog('ContentHandler', 'getCodingSession', 'Missing value: codingSessionPkId');
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:140:          debugLog(
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:158:          debugLog('ContentHandler', 'getCodingSession', 'Cache hit');
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:161:        debugLog('ContentHandler', 'getCodingSession', 'Cache miss');
packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts:189:      debugLog('ContentHandler', 'getCodingSession - ERROR', { error: getErrorInfo(error) });

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/utils/debugLog.ts"
}

     1→'use strict';
     2→
     3→import { loadConfig } from '../config';
     4→
     5→/**
     6→ * Debug logging utility for cwc-content
     7→ * Only outputs when config.debugMode is enabled
     8→ *
     9→ * @param context - Component/function name (e.g., 'createContext', 'ContentHandler')
    10→ * @param message - Log message
    11→ * @param data - Optional data to log
    12→ */
    13→export function debugLog(context: string, message: string, data?: unknown): void {
    14→  const config = loadConfig();
    15→  if (!config.debugMode) return;
    16→
    17→  const prefix = `[cwc-content:${context}]`;
    18→  if (data !== undefined) {
    19→    console.log(prefix, message, data);
    20→  } else {
    21→    console.log(prefix, message);
    22→  }
    23→}
    24→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

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      "content": "Review PR #51 and produce a report",
      "status": "completed",
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      "content": "Add tech debt items for SqlClient typing and cwc-types/cwc-schema merge",
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      "status": "completed",
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      "content": "Investigate: QUERY_CACHE_ENABLED in cwc-sql",
      "status": "completed",
      "activeForm": "Investigating query cache"
    },
    {
      "content": "Investigate: Identify other services with caching",
      "status": "completed",
      "activeForm": "Identifying services with caching"
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      "content": "Investigate: debug logging in cwc-content",
      "status": "completed",
      "activeForm": "Investigating cwc-content debug logging"
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    {
      "content": "Investigate: debug logging in cwc-sql",
      "status": "in_progress",
      "activeForm": "Investigating cwc-sql debug logging"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "pattern": "debugLog|console\\\\.log",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src",
  "output_mode": "content",
  "-n": true,
  "glob": "**/*.ts"
}

packages/cwc-sql/src/debugLog.ts:13:export function debugLog(context: string, message: string, data?: unknown): void {
packages/cwc-sql/src/auth/verifyToken.ts:4:import { debugLog } from '../debugLog';
packages/cwc-sql/src/auth/verifyToken.ts:35:      debugLog('verifyToken', '', { authHeader });
packages/cwc-sql/src/auth/verifyToken.ts:38:        debugLog('verifyToken', 'Missing Authorization header');
packages/cwc-sql/src/auth/verifyToken.ts:48:        debugLog('verifyToken', 'Invalid Authorization header format. Expected: Bearer <token>');
packages/cwc-sql/src/auth/verifyToken.ts:58:      debugLog('verifyToken', '', { token });
packages/cwc-sql/src/auth/verifyToken.ts:61:        debugLog('verifyToken', 'Missing authentication token');
packages/cwc-sql/src/auth/verifyToken.ts:75:        debugLog('verifyToken', 'jwt.verify', { decoded });
packages/cwc-sql/src/auth/verifyToken.ts:77:        debugLog('verifyToken', 'jwt.verify - ERROR', { error: getErrorInfo(error) });
packages/cwc-sql/src/auth/verifyToken.ts:79:          debugLog('verifyToken', 'jwt.verify', 'Authentication token has expired');
packages/cwc-sql/src/auth/verifyToken.ts:88:          debugLog('verifyToken', 'jwt.verify', 'Invalid authentication token');
packages/cwc-sql/src/auth/verifyToken.ts:102:        debugLog('verifyToken', 'Invalid token payload');
packages/cwc-sql/src/auth/verifyToken.ts:114:        debugLog('verifyToken', 'Invalid token: missing or invalid dataJwtId');
packages/cwc-sql/src/auth/verifyToken.ts:123:        debugLog('verifyToken', 'Invalid token: missing or invalid clientName');
packages/cwc-sql/src/auth/verifyToken.ts:133:        debugLog(
packages/cwc-sql/src/auth/verifyToken.ts:149:      debugLog('verifyToken', 'verifyToken - ERROR', { error: getErrorInfo(error) });
packages/cwc-sql/src/handlers/commandHandler.ts:13:import { debugLog } from '../debugLog';
packages/cwc-sql/src/handlers/commandHandler.ts:26:      debugLog('CommandBuilder', '', { executeOptions });
packages/cwc-sql/src/handlers/commandHandler.ts:30:        debugLog('CommandBuilder', 'Validate request', 'Invalid request: missing command');
packages/cwc-sql/src/handlers/commandHandler.ts:39:      debugLog('CommandBuilder', '', { userPkId, command: JSON.stringify(command, undefined, 2) });
packages/cwc-sql/src/handlers/commandHandler.ts:43:        debugLog(
packages/cwc-sql/src/handlers/commandHandler.ts:59:      debugLog('CommandBuilder', 'execute', { results: JSON.stringify(results, undefined, 2) });
packages/cwc-sql/src/handlers/commandHandler.ts:71:      debugLog('CommandBuilder', 'ERROR', { error: getErrorInfo(error) });
packages/cwc-sql/src/handlers/commandHandler.ts:146:    debugLog('CommandBuilder', 'executeWithoutTransaction - ERROR', { error: getErrorInfo(error) });
packages/cwc-sql/src/handlers/commandHandler.ts:189:    debugLog('CommandBuilder', 'executeWithTransaction - ERROR', { error: getErrorInfo(error) });

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/debugLog.ts"
}

     1→'use strict';
     2→
     3→import { loadConfig } from './config';
     4→
     5→/**
     6→ * Debug logging utility for cwc-sql
     7→ * Only outputs when config.debugMode is enabled
     8→ *
     9→ * @param context - Component/function name
    10→ * @param message - Log message
    11→ * @param data - Optional data to log
    12→ */
    13→export function debugLog(context: string, message: string, data?: unknown): void {
    14→  const config = loadConfig();
    15→  if (!config.debugMode) return;
    16→
    17→  const prefix = `[cwc-sql]:${context}]`;
    18→  if (data !== undefined) {
    19→    console.log(prefix, message, data);
    20→  } else {
    21→    console.log(prefix, message);
    22→  }
    23→}
    24→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

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      "content": "Add tech debt items for SqlClient typing and cwc-types/cwc-schema merge",
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      "content": "Implement: Add CONTENT_CACHE_ENABLED config toggle",
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      "status": "completed",
      "activeForm": "Investigating query cache"
    },
    {
      "content": "Investigate: Identify other services with caching",
      "status": "completed",
      "activeForm": "Identifying services with caching"
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      "content": "Investigate: debug logging in cwc-content",
      "status": "completed",
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      "content": "Investigate: debug logging in cwc-sql",
      "status": "completed",
      "activeForm": "Investigating cwc-sql debug logging"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/documents/prompts/048-debugging-services-website.md"
}

     1→# Session 48: debugging services & website
     2→
     3→## Discussion - my findings while troubleshooting coding-session images yesterday
     4→
     5→So far I have been mainly focused on cranking out the core code of cwc but I now realize that I should have been reviewing the code more closely.
     6→I spent yesterday troubleshooting the code that we wrote during our last pairing session and I did get the coding-session images to render on the webpage.
     7→
     8→A few notes:
     9→
    10→1. In some or our SqlClient queries we had invalid column names, this would have been easier to find if the SqlClient was validating the information that we pass against the cwc-schema. There are things that we can do to prevent this from happening - such as always referring to cwc-schema when writing code to ensure that the entities and columns that you want to reference actually exist - let's put a note in the appropriate claude.md file related to this.
    11→
    12→2. We should have a note in the appropriate claude.md about using the SqlClient - the consuming package must be listed in VALID_CLIENT_NAMES
    13→
    14→3. Despite all of our efforts, sometimes things go wrong in our service code.
    15→   If we only add `debugLog` statements to the code when we are in the middle of troubleshooting a problem, it takes a long time since we have to re-familiarize ourselves with all of the code and find the places that are involved in our issue.
    16→   Also, adding debug statements and then removing them is counter-productive - you end up going through that process every time an issue comes up.
    17→   So in my opinion, a thorough & permanent `debugLog` implementation is critical for finding the problem and fixing it quickly.
    18→
    19→`debugLog` best practices:
    20→
    21→- use object notation and JSON.stringify for large objects with arrays so we can actually see what's in the object in the logs
    22→- try to avoid logging out the Express request or response objects since they are huge and most of that information is not useful to us.
    23→- related note: never attempt to log the Express request or response to the database, in my experience that usually causes a crash of the service.
    24→
    25→Important: don't log out informational stuff like below because it has no real debugging value:
    26→
    27→- Processing command with ${command.operations.length} operations
    28→- Transaction: ${command.transaction}
    29→- Command completed in ${executionTime}ms
    30→
    31→Important: do log out details like this:
    32→
    33→- the arguments passed to a function
    34→- values received from a function call
    35→- inside an if block / check for a condition that leads to access-denied or failure or some other significant code path
    36→- try - catch blocks. we should debugLog errors as soon as they happen in the function where the error occurred
    37→
    38→## Action - today's work
    39→
    40→Let's work on the following and see how far we can get today.
    41→Take each item step-by-step / one-by-one, only advancing to the next item after I confirm that we have completed the current item.
    42→
    43→1. Please gather up the information provided in #3 above regarding `debugLog` and either save it to each package's claude.md or the root claude.md file so we will make this part of our regular development activity.
    44→
    45→2. I pushed PR #51 that I would like you to review and produce a report (medium level of detail) that describes what was done.
    46→
    47→3. Let's add an item to our tech-debt document to research applying TypeScript types more strictly to the SqlClient's command options. When we created the cwc-schema package you suggested combining the cwc-types and cwc-schema to eliminate the duplication and enforce the types more effectively. Let's add that to the tech-debt list as well as something to research.
    48→
    49→4. Enter Planning Mode. To prevent SqlClient queries with invalid column names, let's validate the information that we pass against the cwc-schema. I put some comments in the `deleteCommand`, `insertCommand`, `selectCommand`, and `updateCommand` functions in `packages/cwc-backend-utils/src/SqlClient/SqlClient.ts` to identify what should be validated against the schema.
    50→
    51→5. Enter Planning Mode. in cwc-content we need the ability to turn off `caching` - it's important to me to get the service working properly without the cache before adding that extra layer of complexity. Once we get things working, we can test the cache as a separate dedicated task. Let's add CONTENT_CACHE_ENABLED(ON|OFF)/contentCacheEnabled(true/false) to our config system `cwc-configuration-helper`. In configuration.ts, in `runtimeConfigs` let's set the `contentCacheEnabled` to false for all environments for now.
    52→
    53→6. Enter Planning Mode. We already have QUERY_CACHE_ENABLED in the config for cwc-sql to provide the ability to turn off `caching` but I'm not sure if it is working as expected. Please investigate and make a plan to correct it if needed.
    54→
    55→7. Enter Planning Mode. Which other services implement caching and do we have the ability in config/env to turn it on and off?
    56→
    57→8. Enter Planning Mode. For cwc-content please follow these examples of debug logging and apply it to the rest of the code (where applicable) in the package to achieve a reasonable level of coverage, let's say 90% coverage.
    58→
    59→- packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts -> isSessionPublished
    60→- packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts -> getCodingSession
    61→- packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts -> processRequest
    62→- packages/cwc-content/src/context/createContext.ts -> createContext
    63→- packages/cwc-content/src/policies/checkRouteAccess.ts -> checkRouteAccess
    64→
    65→9. Enter Planning Mode. For cwc-sql please follow your understanding of debug logging practices and apply it to the rest of the code (where applicable) in the cwc-sql package to achieve a reasonable level of coverage, let's say 90% coverage.
    66→
    67→- packages/cwc-sql/src/handlers/commandHandler.ts -> commandHandler
    68→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md"
}

     1→# Plan: SqlClient Schema Validation
     2→
     3→## Goal
     4→Add schema validation to SqlClient command builders to catch invalid table/column names before SQL generation.
     5→
     6→## Current State
     7→- SqlClient accepts any strings for table, columns, filters
     8→- Invalid names only fail when cwc-sql executes the query
     9→- Comments in SqlClient.ts mark validation points needed
    10→
    11→## Validation Points Identified (from comments in SqlClient.ts)
    12→
    13→| Command | What to Validate |
    14→|---------|------------------|
    15→| `deleteCommand()` | table exists, filter keys are valid columns |
    16→| `insertCommand()` | table exists, value keys are valid columns |
    17→| `selectCommand()` | table exists (if not custom), fields/filters/sort are valid columns |
    18→| `updateCommand()` | table exists, value keys and filter keys are valid columns |
    19→
    20→## Architecture Options
    21→
    22→### Option A: Import validation from cwc-sql
    23→- **Problem:** Creates circular dependency (cwc-backend-utils ↔ cwc-sql)
    24→- Not viable without restructuring
    25→
    26→### Option B: Move validation to cwc-schema (shared package)
    27→- Move `validation.ts` functions to cwc-schema
    28→- Both SqlClient and cwc-sql import from cwc-schema
    29→- **Benefit:** Single source of truth, no duplication
    30→- **Cost:** Refactoring cwc-sql imports, larger change
    31→
    32→### Option C: Lightweight validation in SqlClient using cwc-schema directly ⭐
    33→- SqlClient imports only `getSchema` from cwc-schema
    34→- Implements validation inline using schema data
    35→- cwc-sql validation remains as second layer
    36→- **Benefit:** Minimal changes, no circular deps
    37→- **Cost:** Some logic duplication (acceptable - different contexts)
    38→
    39→## Recommended Approach: Option C
    40→
    41→### Changes Required
    42→
    43→**1. Add cwc-schema dependency to cwc-backend-utils**
    44→```json
    45→// packages/cwc-backend-utils/package.json
    46→"dependencies": {
    47→  "cwc-schema": "workspace:*"
    48→}
    49→```
    50→
    51→**2. Create validation helpers in SqlClient.ts**
    52→```typescript
    53→import { getSchema, type Schema } from 'cwc-schema';
    54→
    55→/**
    56→ * Validates table exists in schema, returns schema for further validation
    57→ */
    58→function validateTable(table: string): Schema {
    59→  const schema = getSchema(table);
    60→  if (!schema) {
    61→    throw new Error(`[SqlClient] Invalid table: "${table}"`);
    62→  }
    63→  return schema;
    64→}
    65→
    66→/**
    67→ * Validates each column exists in the schema
    68→ * Accepts:
    69→ *   - string[] (column names, e.g., options.fields)
    70→ *   - Record<string, unknown> (object keys, e.g., options.filters)
    71→ *   - { fieldName: string }[] (sort specs, e.g., options.sort)
    72→ */
    73→function validateColumns(
    74→  schema: Schema,
    75→  input: string[] | Record<string, unknown> | { fieldName: string }[],
    76→  context: string
    77→): void {
    78→  let columns: string[];
    79→
    80→  if (Array.isArray(input)) {
    81→    if (input.length > 0 && typeof input[0] === 'object' && 'fieldName' in input[0]) {
    82→      // Sort specification array - extract fieldName from each
    83→      columns = (input as { fieldName: string }[]).map(s => s.fieldName);
    84→    } else {
    85→      // String array - use directly
    86→      columns = input as string[];
    87→    }
    88→  } else {
    89→    // Object - extract keys
    90→    columns = Object.keys(input);
    91→  }
    92→
    93→  for (const col of columns) {
    94→    if (!(col in schema.columns)) {
    95→      throw new Error(`[SqlClient] Invalid column "${col}" in table "${schema.name}" (${context})`);
    96→    }
    97→  }
    98→}
    99→
   100→/**
   101→ * Validates filters are non-empty (prevents full-table updates/deletes)
   102→ */
   103→function requireFilters(
   104→  filters: Record<string, unknown> | undefined,
   105→  command: string
   106→): void {
   107→  if (!filters || Object.keys(filters).length === 0) {
   108→    throw new Error(`[SqlClient] ${command} requires non-empty filters to prevent full-table operation`);
   109→  }
   110→}
   111→```
   112→
   113→**3. Add validation to each command builder**
   114→
   115→`deleteCommand()`:
   116→```typescript
   117→// Validate
   118→requireFilters(options.filters, 'deleteCommand');
   119→const schema = validateTable(options.table);
   120→validateColumns(schema, options.filters, 'filters');
   121→```
   122→
   123→`insertCommand()`:
   124→```typescript
   125→// Validate
   126→const schema = validateTable(options.table);
   127→validateColumns(schema, options.values, 'values');
   128→```
   129→
   130→`selectCommand()`:
   131→```typescript
   132→// Validate (skip for custom SQL)
   133→if (!options.custom) {
   134→  const schema = validateTable(options.table);
   135→  if (options.fields) {
   136→    validateColumns(schema, options.fields, 'fields');
   137→  }
   138→  if (options.filters) {
   139→    validateColumns(schema, options.filters, 'filters');
   140→  }
   141→  if (options.sort) {
   142→    validateColumns(schema, options.sort, 'sort');
   143→  }
   144→}
   145→```
   146→
   147→`updateCommand()`:
   148→```typescript
   149→// Validate
   150→requireFilters(options.filters, 'updateCommand');
   151→const schema = validateTable(options.table);
   152→validateColumns(schema, options.values, 'values');
   153→validateColumns(schema, options.filters, 'filters');
   154→```
   155→
   156→## Decisions
   157→
   158→1. **Validation is always on** - runs in all environments (small performance cost is acceptable)
   159→2. **Add requireFilters safety check** - prevent accidental full-table updates/deletes
   160→
   161→## Files to Modify
   162→
   163→1. `packages/cwc-backend-utils/package.json` - add cwc-schema dependency
   164→2. `packages/cwc-backend-utils/src/SqlClient/SqlClient.ts` - add validation logic
   165→
   166→## Testing
   167→
   168→- Add unit tests for validation in cwc-backend-utils
   169→- Test each command builder with valid and invalid column names
   170→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "description": "Find cwc-sql functions without debugLog",
  "prompt": "In the cwc-sql package at packages/cwc-sql/src, I need to find functions that do meaningful work or make decisions but DON'T have any debugLog statements.\n\nFirst, search for all debugLog usage to understand current coverage:\n- grep for \"debugLog\" in the src directory\n\nThen, examine the key source files to find functions WITHOUT debugLog:\n- src/handlers/*.ts (all handler files)\n- src/auth/*.ts\n- src/cache/*.ts\n- src/database/*.ts (if exists)\n- src/index.ts\n\nFor each file, list:\n1. Functions that HAVE debugLog\n2. Functions that do NOT have debugLog but should (they do work, make decisions, or could fail)\n\nFocus on finding the gaps in coverage.",
  "subagent_type": "Explore"
}

Perfect! Now I have a comprehensive view of the codebase. Let me compile my findings into a detailed report.

## Summary: debugLog Coverage Analysis for cwc-sql

Based on my thorough analysis of the cwc-sql package, here are the functions that **lack debugLog statements** but should have them because they perform meaningful work, make decisions, or could fail:

---

## Files WITH Existing debugLog Coverage

Currently only **3 files** use debugLog:
1. `src/handlers/commandHandler.ts` - Has extensive debugLog coverage
2. `src/auth/verifyToken.ts` - Has comprehensive debugLog coverage  
3. `src/debugLog.ts` - The debugLog utility itself

---

## Functions WITHOUT debugLog (Should Have Coverage)

### **Handler Functions** - CRITICAL GAPS

#### `src/handlers/selectHandler.ts`
- **Function: `selectHandler()`** (lines 11-64)
  - Checks if operation uses custom SQL
  - Checks cache
  - Generates SQL
  - Executes query
  - Handles count queries
  - Caches results
  - **Missing debugLog**: No entry/exit logging, no cache hit/miss logging, no operation flow tracking

- **Function: `executeCustomSelect()`** (lines 69-96)
  - Checks cache for custom queries
  - Generates custom SQL
  - Executes custom query
  - Caches result
  - **Missing debugLog**: No logging of custom SQL execution or caching

#### `src/handlers/insertHandler.ts`
- **Function: `insertHandler()`** (lines 11-45)
  - Generates INSERT SQL
  - Executes insert
  - Invalidates cache for table
  - Returns mutation result
  - **Missing debugLog**: No entry logging, no mutation tracking, no cache invalidation logging

#### `src/handlers/updateHandler.ts`
- **Function: `updateHandler()`** (lines 11-45)
  - Generates UPDATE SQL
  - Executes update
  - Invalidates cache for table
  - Returns mutation result
  - **Missing debugLog**: No entry logging, no mutation tracking, no cache invalidation logging

#### `src/handlers/deleteHandler.ts`
- **Function: `deleteHandler()`** (lines 11-44)
  - Generates DELETE SQL
  - Executes delete
  - Invalidates cache for table
  - Returns mutation result
  - **Missing debugLog**: No entry logging, no mutation tracking, no cache invalidation logging

#### `src/handlers/executeOperation.ts`
- **Function: `executeOperation()`** (lines 14-36)
  - Routes to handler based on operation type
  - Makes critical routing decision
  - **Missing debugLog**: No operation type routing logging

---

### **Cache Functions** - MAJOR GAPS

#### `src/cache/queryCache.ts`
- **Function: `constructor()`** (lines 13-40)
  - Initializes cache with complex configuration
  - Sets up event listeners
  - **Has some logging** but no debugLog statements (lines 35-39 use console.log directly)

- **Function: `generateCacheKey()`** (lines 45-59)
  - Generates stable cache key from operation
  - Complex hash logic
  - **Missing debugLog**: No key generation tracking

- **Function: `trackCacheKeyForTable()`** (lines 64-73)
  - Maps cache keys to tables
  - **Missing debugLog**: No tracking of table mappings

- **Function: `removeKeyFromTableMapping()`** (lines 78-87)
  - Cleans up table mappings when keys expire
  - **Missing debugLog**: No cleanup tracking

- **Function: `get()`** (lines 93-111)
  - Checks if cache is enabled
  - Filters for SELECT only
  - Has cache hit logging at line 107 (console.log, not debugLog)
  - **Should use debugLog**: Cache misses not logged, operation filtering not tracked

- **Function: `set()`** (lines 116-144)
  - Checks cache enabled
  - Filters for SELECT
  - Tracks cache key for table
  - Tracks custom tables
  - Has console.log at line 142, not debugLog
  - **Missing debugLog**: No tracking of what's cached and why

- **Function: `invalidateTable()`** (lines 149-170)
  - Cleans up multiple keys for a table
  - Has console.log at line 168, not debugLog
  - **Missing debugLog**: Already has some logging but uses console.log, not debugLog

- **Function: `invalidateTables()`** (lines 175-179)
  - Invalidates multiple tables
  - **Missing debugLog**: No tracking of table invalidation

- **Function: `getStats()`** (lines 196-212)
  - Returns cache statistics
  - Calculates hit rate
  - **Missing debugLog**: No statistics tracking

---

### **Authentication Functions** - GOOD, BUT ONE GAP

#### `src/auth/verifyToken.ts`
- **Function: `createVerifyTokenMiddleware()`** (lines 26-157)
  - Has comprehensive debugLog statements throughout
  - All validation paths logged
  - All error paths logged
  - ✅ **GOOD COVERAGE**

---

### **SQL Generation Functions** - SIGNIFICANT GAPS

#### `src/sql/generateSelect.ts`
- **Function: `generateSelect()`** (lines 18-125)
  - Validates table
  - Builds complex SELECT with multiple clauses
  - Handles array filters and IN clauses
  - Builds ORDER BY with defaults
  - Handles LIMIT/OFFSET
  - Generates count query
  - **Missing debugLog**: No validation tracking, no clause building logging, no complex logic tracking

#### `src/sql/generateInsert.ts`
- **Function: `generateInsert()`** (lines 19-84)
  - Validates table
  - Filters values
  - Removes system columns
  - Validates column names
  - Validates values against constraints
  - Adds timestamps
  - Formats dates for MariaDB
  - Builds INSERT statement
  - **Missing debugLog**: No validation tracking, no filtering logging, no timestamp injection logging

#### `src/sql/generateUpdate.ts`
- **Function: `generateUpdate()`** (lines 19-111)
  - Validates table
  - Filters values
  - Removes system columns
  - Validates constraints
  - Requires filters (critical safety check)
  - Adds timestamp
  - Builds complex SET and WHERE clauses
  - **Missing debugLog**: No validation tracking, no safety check logging, no complex clause building

#### `src/sql/generateDelete.ts`
- **Function: `generateDelete()`** (lines 16-57)
  - Validates table
  - Requires filters (critical safety check)
  - Validates WHERE column names
  - Builds WHERE clause with IN support
  - **Missing debugLog**: No validation tracking, no safety check logging for required filters

#### `src/sql/generateCustom.ts`
- **Function: `generateCustom()`** (lines 21-42)
  - Validates custom tables
  - Validates named placeholders
  - Validates params match placeholders
  - **Missing debugLog**: No validation progress tracking, no SQL injection prevention logging

---

### **Validation Functions** - CRITICAL GAPS

#### `src/sql/validation.ts`
- **Function: `validateTable()`** (lines 8-19)
  - Validates table exists
  - **Missing debugLog**: No validation tracking

- **Function: `validateColumn()`** (lines 24-28)
  - Validates single column
  - **Missing debugLog**: No validation tracking

- **Function: `validateColumns()`** (lines 33-37)
  - Validates multiple columns
  - **Missing debugLog**: No iteration tracking

- **Function: `validateObjectKeys()`** (lines 42-56)
  - Validates object keys are valid columns
  - **Missing debugLog**: No key validation tracking

- **Function: `requireFilters()`** (lines 61-65)
  - Critical safety check for UPDATE/DELETE
  - **Missing debugLog**: No safety check logging

- **Function: `validateCustomTables()`** (lines 70-81)
  - Validates custom SQL table list
  - **Missing debugLog**: No table validation tracking

- **Function: `validateNamedPlaceholders()`** (lines 86-101)
  - SQL injection prevention check
  - **Missing debugLog**: No security check logging

- **Function: `validateCustomParams()`** (lines 106-129)
  - Validates params match placeholders
  - **Missing debugLog**: No param validation tracking

---

### **Utility Functions** - MODERATE GAPS

#### `src/sql/filterSystemColumns.ts`
- **Function: `filterSystemColumns()`** (lines 15-47)
  - Removes primary key and timestamps
  - **Missing debugLog**: No filtering tracking

#### `src/sql/validateValues.ts`
- **Function: `validateValues()`** (lines 15-84)
  - Validates all values against schema constraints
  - Complex validation logic
  - **Missing debugLog**: No validation progress tracking, no error detail logging

#### `src/sql/formatValues.ts`
- **Function: `formatDateForMariaDB()`** (lines 11-15)
  - Converts ISO 8601 to MariaDB format
  - **Missing debugLog**: No conversion tracking (minor - utility function)

- **Function: `formatValuesForMariaDB()`** (lines 22-37)
  - Formats all date values in object
  - **Missing debugLog**: No formatting tracking

---

### **Database Connection Functions** - EXCELLENT COVERAGE

#### `src/database/connection.ts`
- **Function: `createPool()`** (lines 13-91)
  - Has extensive console.log at lines 27-40 (could be debugLog instead)
  - Has pool creation logging at lines 82-88
  - ✅ **REASONABLE COVERAGE** (though uses console.log instead of debugLog)

- **Function: `getPool()`** (lines 97-102)
  - Validates pool exists
  - **Missing debugLog**: No pool retrieval tracking (minor)

- **Function: `testConnection()`** (lines 108-135)
  - Tests pool connection
  - Has console logging and debug logging
  - ✅ **GOOD COVERAGE**

- **Function: `testDirectConnection()`** (lines 141-184)
  - Tests direct connection
  - Has console logging
  - ✅ **GOOD COVERAGE**

- **Function: `closePool()`** (lines 190-195)
  - Closes pool
  - **Missing debugLog**: No close tracking (minor)

---

### **Error Logging Function** - GOOD

#### `src/errorLogger.ts`
- **Function: `logErrorToDatabase()`** (lines 9-84)
  - Logs error to database directly
  - Has debug logging at line 73 (console.log, not debugLog)
  - ✅ **REASONABLE COVERAGE**

---

### **Main Entry Point** - EXCELLENT COVERAGE

#### `src/index.ts`
- **Function: `createBackendUtilsConfig()`** (lines 29-45)
  - Maps CwcSqlConfig to utility config
  - **Missing debugLog**: No config mapping tracking (minor)

- **Function: `healthHandler()`** (lines 50-56)
  - Health check endpoint
  - **Missing debugLog**: No health check logging (minor - expected behavior)

- **Function: `main()`** (lines 61-227)
  - Service startup and initialization
  - Extensive console.log usage (lines 63-150)
  - Error handling with logging
  - Shutdown handlers
  - ✅ **GOOD COVERAGE** (though uses console.log instead of debugLog)

---

## Summary Table

| Category | Total Functions | With debugLog | Missing debugLog | % Coverage |
|----------|-----------------|---------------|------------------|-----------|
| Handlers (Operations) | 5 | 0 | 5 | 0% |
| Cache Management | 8 | 0 | 8 | 0% |
| SQL Generation | 4 | 0 | 4 | 0% |
| Validation | 8 | 0 | 8 | 0% |
| Utilities | 2 | 0 | 2 | 0% |
| Database Connection | 5 | 2 | 3 | 40% |
| Error Logging | 1 | 0 | 1 | 0% |
| Main/Entry | 3 | 0 | 3 | 0% |
| **TOTAL** | **36** | **2** | **34** | **5.6%** |

---

## Critical Gaps by Priority

### Priority 1 (CRITICAL - Core Operations)
1. **Operation Handlers** - `selectHandler`, `insertHandler`, `updateHandler`, `deleteHandler`, `executeOperation` - These handle all database operations
2. **SQL Generation** - All generate functions are complex with validation and decisions but no logging
3. **Validation Functions** - All 8 validation functions lack logging, including critical safety checks like `requireFilters()`

### Priority 2 (HIGH - Cache & Data Flow)
1. **Cache Operations** - `get()`, `set()`, `invalidateTable()`, key generation and tracking
2. **Value Validation** - `validateValues()` performs complex schema constraint checking

### Priority 3 (MEDIUM - Utilities)
1. **System Column Filtering** - `filterSystemColumns()`
2. **Date Formatting** - `formatValuesForMariaDB()`
3. **Config Creation** - `createBackendUtilsConfig()`

---

## Pattern Observation

Functions that **already have debugLog** properly log:
- Validation results (success/failure)
- Decision paths
- Error conditions
- Parameter values (redacted for secrets)
- Operation flow

This same pattern should be applied to all the missing functions above.
agentId: ad7b310 (for resuming to continue this agent's work if needed)

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts"
}

     1→'use strict';
     2→
     3→import { type StorageClient, type SqlClient, getErrorInfo } from 'cwc-backend-utils';
     4→import type { RequestContext } from '../../context';
     5→import type { ContentCache } from '../../cache';
     6→import type {
     7→  OperationResult,
     8→  GetCodingSessionPayload,
     9→  PutCodingSessionPayload,
    10→  DeleteCodingSessionPayload,
    11→} from '../../types/handler.types';
    12→import { debugLog } from '../../utils';
    13→
    14→export type ContentHandlerOptions = {
    15→  storageClient: StorageClient;
    16→  sqlClient: SqlClient;
    17→  cache: ContentCache;
    18→  cacheEnabled: boolean;
    19→};
    20→
    21→/**
    22→ * Handles content operations (get/put/delete)
    23→ *
    24→ * This handler interacts with cwc-storage via StorageClient and maintains
    25→ * an in-memory cache for frequently accessed content.
    26→ *
    27→ * Security: Uses SqlClient to verify session published status before serving
    28→ * data to non-owners. This prevents enumeration attacks on unpublished sessions.
    29→ */
    30→export class ContentHandler {
    31→  private storageClient: StorageClient;
    32→  private sqlClient: SqlClient;
    33→  private cache: ContentCache;
    34→  private cacheEnabled: boolean;
    35→
    36→  constructor(options: ContentHandlerOptions) {
    37→    this.storageClient = options.storageClient;
    38→    this.sqlClient = options.sqlClient;
    39→    this.cache = options.cache;
    40→    this.cacheEnabled = options.cacheEnabled;
    41→  }
    42→
    43→  /**
    44→   * Extract codingSessionPkId from filename
    45→   * e.g., "110/session.json.gz" -> 110
    46→   */
    47→  private extractPkIdFromFilename(filename: string): number | undefined {
    48→    const match = filename.match(/^(\d+)\//);
    49→    return match && match[1] ? parseInt(match[1], 10) : undefined;
    50→  }
    51→
    52→  /**
    53→   * Check if a coding session is published
    54→   * Returns true if session exists AND published=true
    55→   */
    56→  private async isSessionPublished(codingSessionPkId: number): Promise<boolean> {
    57→    let result: { codingSessionPkId: number } | undefined = undefined;
    58→    debugLog('ContentHandler', 'isSessionPublished', { codingSessionPkId });
    59→    try {
    60→      const command = this.sqlClient.selectCommand({
    61→        table: 'codingSession',
    62→        filters: {
    63→          codingSessionPkId,
    64→          enabled: true,
    65→          published: true,
    66→        },
    67→        fields: ['codingSessionPkId'],
    68→      });
    69→      debugLog('ContentHandler', 'isSessionPublished', {
    70→        command: JSON.stringify(command, undefined, 2),
    71→      });
    72→
    73→      const response = await this.sqlClient.query({ userPkId: undefined, command });
    74→      debugLog('ContentHandler', 'isSessionPublished', {
    75→        response: JSON.stringify(response, undefined, 2),
    76→      });
    77→
    78→      result = this.sqlClient.getFirstResult<{ codingSessionPkId: number }>(response);
    79→      debugLog('ContentHandler', 'isSessionPublished', {
    80→        result: JSON.stringify(result, undefined, 2),
    81→      });
    82→    } catch (error) {
    83→      debugLog('ContentHandler', 'isSessionPublished - ERROR', { error: getErrorInfo(error) });
    84→    }
    85→
    86→    return result !== undefined;
    87→  }
    88→
    89→  /**
    90→   * Get coding session data from storage
    91→   *
    92→   * Access: guest-user for published sessions, project-owner for unpublished
    93→   *
    94→   * Security: Verifies session is published before serving to non-owners.
    95→   * This prevents enumeration attacks on unpublished sessions.
    96→   */
    97→  async getCodingSession(
    98→    payload: GetCodingSessionPayload,
    99→    context: RequestContext
   100→  ): Promise<OperationResult<Buffer>> {
   101→    try {
   102→      debugLog('ContentHandler', 'getCodingSession', { payload, context });
   103→      const { projectId, filename } = payload;
   104→      debugLog('ContentHandler', 'getCodingSession', { projectId, filename });
   105→
   106→      // Validate required fields
   107→      if (!projectId) {
   108→        debugLog('ContentHandler', 'getCodingSession', 'Missing field: projectId');
   109→        return {
   110→          success: false,
   111→          errorCode: 'VALIDATION_ERROR',
   112→          errorMessage: 'projectId is required',
   113→        };
   114→      }
   115→      if (!filename) {
   116→        debugLog('ContentHandler', 'getCodingSession', 'Missing field: filename');
   117→        return {
   118→          success: false,
   119→          errorCode: 'VALIDATION_ERROR',
   120→          errorMessage: 'filename is required',
   121→        };
   122→      }
   123→
   124→      // Extract codingSessionPkId from filename for published status check
   125→      const codingSessionPkId = this.extractPkIdFromFilename(filename);
   126→      if (codingSessionPkId === undefined) {
   127→        debugLog('ContentHandler', 'getCodingSession', 'Missing value: codingSessionPkId');
   128→        return {
   129→          success: false,
   130→          errorCode: 'NOT_FOUND',
   131→          errorMessage: 'Session not found',
   132→        };
   133→      }
   134→
   135→      // Check access: project-owner can always access, others need published session
   136→      const isOwner = context.isAuthenticated && context.ownedProjects.includes(projectId);
   137→      if (!isOwner) {
   138→        const isPublished = await this.isSessionPublished(codingSessionPkId);
   139→        if (!isPublished) {
   140→          debugLog(
   141→            'ContentHandler',
   142→            'getCodingSession',
   143→            'Access DENIED - only project-owner has access to unpublished content'
   144→          );
   145→          // Return NOT_FOUND to not reveal existence of unpublished sessions
   146→          return {
   147→            success: false,
   148→            errorCode: 'NOT_FOUND',
   149→            errorMessage: 'Session not found',
   150→          };
   151→        }
   152→      }
   153→
   154→      // Check cache first (if enabled)
   155→      if (this.cacheEnabled) {
   156→        const cachedData = this.cache.get(projectId, filename);
   157→        if (cachedData) {
   158→          debugLog('ContentHandler', 'getCodingSession - found cached item', {
   159→            projectId,
   160→            filename,
   161→          });
   162→          return { success: true, data: cachedData };
   163→        }
   164→        debugLog('ContentHandler', 'getCodingSession - not found in cache', {
   165→          projectId,
   166→          filename,
   167→        });
   168→      }
   169→
   170→      // Fetch from storage
   171→      const result = await this.storageClient.getFile(projectId, filename);
   172→
   173→      if (!result.success) {
   174→        if (result.error === 'FILE_NOT_FOUND') {
   175→          return {
   176→            success: false,
   177→            errorCode: 'NOT_FOUND',
   178→            errorMessage: 'Session data not found',
   179→          };
   180→        }
   181→        return {
   182→          success: false,
   183→          errorCode: 'STORAGE_ERROR',
   184→          errorMessage: 'Failed to retrieve session data',
   185→        };
   186→      }
   187→
   188→      // Cache the result (if enabled)
   189→      if (this.cacheEnabled) {
   190→        this.cache.set(projectId, filename, result.data);
   191→        debugLog('ContentHandler', 'getCodingSession - added to cache', {
   192→          projectId,
   193→          filename,
   194→        });
   195→      }
   196→
   197→      return { success: true, data: result.data };
   198→    } catch (error) {
   199→      debugLog('ContentHandler', 'getCodingSession - ERROR', { error: getErrorInfo(error) });
   200→      return {
   201→        success: false,
   202→        errorCode: 'INTERNAL_ERROR',
   203→        errorMessage: 'An internal error occurred',
   204→      };
   205→    }
   206→  }
   207→
   208→  /**
   209→   * Put coding session data to storage
   210→   *
   211→   * Access: project-owner (ownership verified at route level by checkRouteAccess)
   212→   */
   213→  async putCodingSession(
   214→    payload: PutCodingSessionPayload,
   215→    _context: RequestContext
   216→  ): Promise<OperationResult<{ filename: string }>> {
   217→    const { projectId, filename, data, fileEncoding } = payload;
   218→
   219→    // Validate required fields
   220→    if (!projectId || !filename || !data) {
   221→      return {
   222→        success: false,
   223→        errorCode: 'VALIDATION_ERROR',
   224→        errorMessage: 'projectId, filename, and data are required',
   225→      };
   226→    }
   227→
   228→    // Upload to storage
   229→    const result = await this.storageClient.putFile(projectId, filename, data, fileEncoding);
   230→
   231→    if (!result.success) {
   232→      return {
   233→        success: false,
   234→        errorCode: 'STORAGE_ERROR',
   235→        errorMessage: 'Failed to store session data',
   236→      };
   237→    }
   238→
   239→    // Invalidate cache (new data will be cached on next get)
   240→    if (this.cacheEnabled) {
   241→      this.cache.invalidate(projectId, filename);
   242→      debugLog('ContentHandler', 'putCodingSession - invalidated cache', {
   243→        projectId,
   244→        filename,
   245→      });
   246→    }
   247→
   248→    return { success: true, data: { filename: result.filename } };
   249→  }
   250→
   251→  /**
   252→   * Delete coding session data from storage
   253→   *
   254→   * Access: project-owner (ownership verified at route level by checkRouteAccess)
   255→   */
   256→  async deleteCodingSession(
   257→    payload: DeleteCodingSessionPayload,
   258→    _context: RequestContext
   259→  ): Promise<OperationResult<{ filename: string }>> {
   260→    const { projectId, filename } = payload;
   261→
   262→    // Validate required fields
   263→    if (!projectId || !filename) {
   264→      return {
   265→        success: false,
   266→        errorCode: 'VALIDATION_ERROR',
   267→        errorMessage: 'projectId and filename are required',
   268→      };
   269→    }
   270→
   271→    // Delete from storage
   272→    const result = await this.storageClient.deleteFile(projectId, filename);
   273→
   274→    if (!result.success) {
   275→      if (result.error === 'FILE_NOT_FOUND') {
   276→        return {
   277→          success: false,
   278→          errorCode: 'NOT_FOUND',
   279→          errorMessage: 'Session data not found',
   280→        };
   281→      }
   282→      return {
   283→        success: false,
   284→        errorCode: 'STORAGE_ERROR',
   285→        errorMessage: 'Failed to delete session data',
   286→      };
   287→    }
   288→
   289→    // Invalidate cache
   290→    if (this.cacheEnabled) {
   291→      this.cache.invalidate(projectId, filename);
   292→      debugLog('ContentHandler', 'deleteCodingSession - invalidated cache', {
   293→        projectId,
   294→        filename,
   295→      });
   296→    }
   297→
   298→    return { success: true, data: { filename: result.filename } };
   299→  }
   300→}
   301→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

The file /Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→# Plan: Add Comprehensive debugLog to cwc-sql
     2→
     3→## Goal
     4→Add useful, actionable debugLog statements to cwc-sql functions that do work or make decisions.
     5→
     6→## Key Pattern: Useful Logging
     7→
     8→**BAD (not useful):**
     9→```typescript
    10→debugLog('selectHandler', 'Cache hit');
    11→```
    12→
    13→**GOOD (useful - includes identifying data):**
    14→```typescript
    15→debugLog('selectHandler', 'found cached result', {
    16→  table: operation.table,
    17→  filterCount: Object.keys(operation.filters || {}).length
    18→});
    19→```
    20→
    21→**Rules:**
    22→1. Always include identifying keys/data (table name, operation type, key values)
    23→2. Use descriptive action phrases: "found cached result", "generated SQL", "validation failed"
    24→3. Log at decision points (if/else branches, validation results, errors)
    25→4. Use getErrorInfo(error) for error objects
    26→
    27→## Current Coverage: ~5.6%
    28→
    29→Only `verifyToken.ts` and `commandHandler.ts` have debugLog.
    30→
    31→## Files to Update
    32→
    33→### Priority 1: Operation Handlers
    34→
    35→**`src/handlers/selectHandler.ts`**
    36→- Entry: `debugLog('selectHandler', '', { table, hasCustom, hasFilters })`
    37→- Cache check: `debugLog('selectHandler', 'cache hit/miss', { table, cacheKey })`
    38→- SQL generated: `debugLog('selectHandler', 'executing query', { sql: sanitized })`
    39→- Result: `debugLog('selectHandler', 'query complete', { rowCount })`
    40→
    41→**`src/handlers/insertHandler.ts`**
    42→- Entry: `debugLog('insertHandler', '', { table, valueCount })`
    43→- Cache invalidation: `debugLog('insertHandler', 'invalidated cache', { table })`
    44→- Result: `debugLog('insertHandler', 'insert complete', { insertId })`
    45→
    46→**`src/handlers/updateHandler.ts`**
    47→- Entry: `debugLog('updateHandler', '', { table, filterCount })`
    48→- Cache invalidation: `debugLog('updateHandler', 'invalidated cache', { table })`
    49→- Result: `debugLog('updateHandler', 'update complete', { changedRows })`
    50→
    51→**`src/handlers/deleteHandler.ts`**
    52→- Entry: `debugLog('deleteHandler', '', { table, filterCount })`
    53→- Cache invalidation: `debugLog('deleteHandler', 'invalidated cache', { table })`
    54→- Result: `debugLog('deleteHandler', 'delete complete', { affectedRows })`
    55→
    56→**`src/handlers/executeOperation.ts`**
    57→- Routing: `debugLog('executeOperation', '', { operationType, table })`
    58→
    59→### Priority 2: SQL Generation
    60→
    61→**`src/sql/generateSelect.ts`**
    62→- Entry: `debugLog('generateSelect', '', { table, hasCustom })`
    63→- Validation: `debugLog('generateSelect', 'validated table', { table })`
    64→- Complex clauses: `debugLog('generateSelect', 'built WHERE clause', { filterCount })`
    65→
    66→**`src/sql/generateInsert.ts`**
    67→- Entry: `debugLog('generateInsert', '', { table, columnCount })`
    68→- Validation results: `debugLog('generateInsert', 'validated values', { table })`
    69→- Timestamp injection: `debugLog('generateInsert', 'added timestamps', { columns })`
    70→
    71→**`src/sql/generateUpdate.ts`**
    72→- Entry: `debugLog('generateUpdate', '', { table, setCount, filterCount })`
    73→- Safety check: `debugLog('generateUpdate', 'requireFilters passed', { filterCount })`
    74→
    75→**`src/sql/generateDelete.ts`**
    76→- Entry: `debugLog('generateDelete', '', { table, filterCount })`
    77→- Safety check: `debugLog('generateDelete', 'requireFilters passed', { filterCount })`
    78→
    79→**`src/sql/generateCustom.ts`**
    80→- Entry: `debugLog('generateCustom', '', { tableCount, paramCount })`
    81→- Validation: `debugLog('generateCustom', 'validated placeholders', { valid })`
    82→
    83→### Priority 3: Validation Functions
    84→
    85→**`src/sql/validation.ts`**
    86→- validateTable: `debugLog('validation', 'validateTable', { table, found })`
    87→- validateColumns: `debugLog('validation', 'validateColumns', { table, columnCount, valid })`
    88→- requireFilters: `debugLog('validation', 'requireFilters', { hasFilters })`
    89→
    90→### Priority 4: Cache Functions
    91→
    92→**`src/cache/queryCache.ts`**
    93→- Replace existing console.log with debugLog
    94→- get(): `debugLog('queryCache', 'get', { table, cacheKey, found })`
    95→- set(): `debugLog('queryCache', 'set', { table, cacheKey })`
    96→- invalidateTable(): `debugLog('queryCache', 'invalidateTable', { table, keysRemoved })`
    97→
    98→## Files to Modify
    99→
   100→1. `src/handlers/selectHandler.ts`
   101→2. `src/handlers/insertHandler.ts`
   102→3. `src/handlers/updateHandler.ts`
   103→4. `src/handlers/deleteHandler.ts`
   104→5. `src/handlers/executeOperation.ts`
   105→6. `src/sql/generateSelect.ts`
   106→7. `src/sql/generateInsert.ts`
   107→8. `src/sql/generateUpdate.ts`
   108→9. `src/sql/generateDelete.ts`
   109→10. `src/sql/generateCustom.ts`
   110→11. `src/sql/validation.ts`
   111→12. `src/cache/queryCache.ts`
   112→
   113→## Implementation Notes
   114→
   115→- Import debugLog from '../debugLog' in each file
   116→- Don't log sensitive data (passwords, tokens) - only structural info
   117→- Don't log full SQL statements - log table names and counts instead
   118→- Use getErrorInfo(error) in catch blocks
   119→

{
  "file_path": "/Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md"
}

     1→# Plan: Add Comprehensive debugLog to cwc-sql
     2→
     3→## Goal
     4→Add useful, actionable debugLog statements to cwc-sql functions that do work or make decisions.
     5→
     6→## Key Pattern: Useful Logging
     7→
     8→**BAD (not useful):**
     9→```typescript
    10→debugLog('selectHandler', 'Cache hit');
    11→```
    12→
    13→**GOOD (useful - includes identifying data):**
    14→```typescript
    15→debugLog('selectHandler', 'found cached result', {
    16→  table: operation.table,
    17→  filterCount: Object.keys(operation.filters || {}).length
    18→});
    19→```
    20→
    21→**Rules:**
    22→1. Always include identifying keys/data (table name, operation type, key values)
    23→2. Use descriptive action phrases: "found cached result", "generated SQL", "validation failed"
    24→3. Log at decision points (if/else branches, validation results, errors)
    25→4. Use getErrorInfo(error) for error objects
    26→
    27→## Current Coverage: ~5.6%
    28→
    29→Only `verifyToken.ts` and `commandHandler.ts` have debugLog.
    30→
    31→## Files to Update
    32→
    33→### Priority 1: Operation Handlers
    34→
    35→**`src/handlers/selectHandler.ts`**
    36→- Entry: `debugLog('selectHandler', '', { table, hasCustom, hasFilters })`
    37→- Cache check: `debugLog('selectHandler', 'cache hit/miss', { table, cacheKey })`
    38→- SQL generated: `debugLog('selectHandler', 'executing query', { sql: sanitized })`
    39→- Result: `debugLog('selectHandler', 'query complete', { rowCount })`
    40→
    41→**`src/handlers/insertHandler.ts`**
    42→- Entry: `debugLog('insertHandler', '', { table, valueCount })`
    43→- Cache invalidation: `debugLog('insertHandler', 'invalidated cache', { table })`
    44→- Result: `debugLog('insertHandler', 'insert complete', { insertId })`
    45→
    46→**`src/handlers/updateHandler.ts`**
    47→- Entry: `debugLog('updateHandler', '', { table, filterCount })`
    48→- Cache invalidation: `debugLog('updateHandler', 'invalidated cache', { table })`
    49→- Result: `debugLog('updateHandler', 'update complete', { changedRows })`
    50→
    51→**`src/handlers/deleteHandler.ts`**
    52→- Entry: `debugLog('deleteHandler', '', { table, filterCount })`
    53→- Cache invalidation: `debugLog('deleteHandler', 'invalidated cache', { table })`
    54→- Result: `debugLog('deleteHandler', 'delete complete', { affectedRows })`
    55→
    56→**`src/handlers/executeOperation.ts`**
    57→- Routing: `debugLog('executeOperation', '', { operationType, table })`
    58→
    59→### Priority 2: SQL Generation
    60→
    61→**`src/sql/generateSelect.ts`**
    62→- Entry: `debugLog('generateSelect', '', { table, hasCustom })`
    63→- Validation: `debugLog('generateSelect', 'validated table', { table })`
    64→- Complex clauses: `debugLog('generateSelect', 'built WHERE clause', { filterCount })`
    65→
    66→**`src/sql/generateInsert.ts`**
    67→- Entry: `debugLog('generateInsert', '', { table, columnCount })`
    68→- Validation results: `debugLog('generateInsert', 'validated values', { table })`
    69→- Timestamp injection: `debugLog('generateInsert', 'added timestamps', { columns })`
    70→
    71→**`src/sql/generateUpdate.ts`**
    72→- Entry: `debugLog('generateUpdate', '', { table, setCount, filterCount })`
    73→- Safety check: `debugLog('generateUpdate', 'requireFilters passed', { filterCount })`
    74→
    75→**`src/sql/generateDelete.ts`**
    76→- Entry: `debugLog('generateDelete', '', { table, filterCount })`
    77→- Safety check: `debugLog('generateDelete', 'requireFilters passed', { filterCount })`
    78→
    79→**`src/sql/generateCustom.ts`**
    80→- Entry: `debugLog('generateCustom', '', { tableCount, paramCount })`
    81→- Validation: `debugLog('generateCustom', 'validated placeholders', { valid })`
    82→
    83→### Priority 3: Validation Functions
    84→
    85→**`src/sql/validation.ts`**
    86→- validateTable: `debugLog('validation', 'validateTable', { table, found })`
    87→- validateColumns: `debugLog('validation', 'validateColumns', { table, columnCount, valid })`
    88→- requireFilters: `debugLog('validation', 'requireFilters', { hasFilters })`
    89→
    90→### Priority 4: Cache Functions
    91→
    92→**`src/cache/queryCache.ts`**
    93→- Replace existing console.log with debugLog
    94→- get(): `debugLog('queryCache', 'get', { table, cacheKey, found })`
    95→- set(): `debugLog('queryCache', 'set', { table, cacheKey })`
    96→- invalidateTable(): `debugLog('queryCache', 'invalidateTable', { table, keysRemoved })`
    97→
    98→## Files to Modify
    99→
   100→1. `src/handlers/selectHandler.ts`
   101→2. `src/handlers/insertHandler.ts`
   102→3. `src/handlers/updateHandler.ts`
   103→4. `src/handlers/deleteHandler.ts`
   104→5. `src/handlers/executeOperation.ts`
   105→6. `src/sql/generateSelect.ts`
   106→7. `src/sql/generateInsert.ts`
   107→8. `src/sql/generateUpdate.ts`
   108→9. `src/sql/generateDelete.ts`
   109→10. `src/sql/generateCustom.ts`
   110→11. `src/sql/validation.ts`
   111→12. `src/cache/queryCache.ts`
   112→
   113→## Implementation Notes
   114→
   115→- Import debugLog from '../debugLog' in each file
   116→- Don't log sensitive data (passwords, tokens) - only structural info
   117→- Don't log full SQL statements - log table names and counts instead
   118→- Use getErrorInfo(error) in catch blocks
   119→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts"
}

     1→'use strict';
     2→
     3→import { type StorageClient, type SqlClient, getErrorInfo } from 'cwc-backend-utils';
     4→import type { RequestContext } from '../../context';
     5→import type { ContentCache } from '../../cache';
     6→import type {
     7→  OperationResult,
     8→  GetCodingSessionPayload,
     9→  PutCodingSessionPayload,
    10→  DeleteCodingSessionPayload,
    11→} from '../../types/handler.types';
    12→import { debugLog } from '../../utils';
    13→
    14→export type ContentHandlerOptions = {
    15→  storageClient: StorageClient;
    16→  sqlClient: SqlClient;
    17→  cache: ContentCache;
    18→  cacheEnabled: boolean;
    19→};
    20→
    21→/**
    22→ * Handles content operations (get/put/delete)
    23→ *
    24→ * This handler interacts with cwc-storage via StorageClient and maintains
    25→ * an in-memory cache for frequently accessed content.
    26→ *
    27→ * Security: Uses SqlClient to verify session published status before serving
    28→ * data to non-owners. This prevents enumeration attacks on unpublished sessions.
    29→ */
    30→export class ContentHandler {
    31→  private storageClient: StorageClient;
    32→  private sqlClient: SqlClient;
    33→  private cache: ContentCache;
    34→  private cacheEnabled: boolean;
    35→
    36→  constructor(options: ContentHandlerOptions) {
    37→    this.storageClient = options.storageClient;
    38→    this.sqlClient = options.sqlClient;
    39→    this.cache = options.cache;
    40→    this.cacheEnabled = options.cacheEnabled;
    41→  }
    42→
    43→  /**
    44→   * Extract codingSessionPkId from filename
    45→   * e.g., "110/session.json.gz" -> 110
    46→   */
    47→  private extractPkIdFromFilename(filename: string): number | undefined {
    48→    const match = filename.match(/^(\d+)\//);
    49→    return match && match[1] ? parseInt(match[1], 10) : undefined;
    50→  }
    51→
    52→  /**
    53→   * Check if a coding session is published
    54→   * Returns true if session exists AND published=true
    55→   */
    56→  private async isSessionPublished(codingSessionPkId: number): Promise<boolean> {
    57→    let result: { codingSessionPkId: number } | undefined = undefined;
    58→    debugLog('ContentHandler', 'isSessionPublished', { codingSessionPkId });
    59→    try {
    60→      const command = this.sqlClient.selectCommand({
    61→        table: 'codingSession',
    62→        filters: {
    63→          codingSessionPkId,
    64→          enabled: true,
    65→          published: true,
    66→        },
    67→        fields: ['codingSessionPkId'],
    68→      });
    69→      debugLog('ContentHandler', 'isSessionPublished', {
    70→        command: JSON.stringify(command, undefined, 2),
    71→      });
    72→
    73→      const response = await this.sqlClient.query({ userPkId: undefined, command });
    74→      debugLog('ContentHandler', 'isSessionPublished', {
    75→        response: JSON.stringify(response, undefined, 2),
    76→      });
    77→
    78→      result = this.sqlClient.getFirstResult<{ codingSessionPkId: number }>(response);
    79→      debugLog('ContentHandler', 'isSessionPublished', {
    80→        result: JSON.stringify(result, undefined, 2),
    81→      });
    82→    } catch (error) {
    83→      debugLog('ContentHandler', 'isSessionPublished - ERROR', { error: getErrorInfo(error) });
    84→    }
    85→
    86→    return result !== undefined;
    87→  }
    88→
    89→  /**
    90→   * Get coding session data from storage
    91→   *
    92→   * Access: guest-user for published sessions, project-owner for unpublished
    93→   *
    94→   * Security: Verifies session is published before serving to non-owners.
    95→   * This prevents enumeration attacks on unpublished sessions.
    96→   */
    97→  async getCodingSession(
    98→    payload: GetCodingSessionPayload,
    99→    context: RequestContext
   100→  ): Promise<OperationResult<Buffer>> {
   101→    try {
   102→      debugLog('ContentHandler', 'getCodingSession', { payload, context });
   103→      const { projectId, filename } = payload;
   104→      debugLog('ContentHandler', 'getCodingSession', { projectId, filename });
   105→
   106→      // Validate required fields
   107→      if (!projectId) {
   108→        debugLog('ContentHandler', 'getCodingSession', 'Missing field: projectId');
   109→        return {
   110→          success: false,
   111→          errorCode: 'VALIDATION_ERROR',
   112→          errorMessage: 'projectId is required',
   113→        };
   114→      }
   115→      if (!filename) {
   116→        debugLog('ContentHandler', 'getCodingSession', 'Missing field: filename');
   117→        return {
   118→          success: false,
   119→          errorCode: 'VALIDATION_ERROR',
   120→          errorMessage: 'filename is required',
   121→        };
   122→      }
   123→
   124→      // Extract codingSessionPkId from filename for published status check
   125→      const codingSessionPkId = this.extractPkIdFromFilename(filename);
   126→      if (codingSessionPkId === undefined) {
   127→        debugLog('ContentHandler', 'getCodingSession', 'Missing value: codingSessionPkId');
   128→        return {
   129→          success: false,
   130→          errorCode: 'NOT_FOUND',
   131→          errorMessage: 'Session not found',
   132→        };
   133→      }
   134→
   135→      // Check access: project-owner can always access, others need published session
   136→      const isOwner = context.isAuthenticated && context.ownedProjects.includes(projectId);
   137→      if (!isOwner) {
   138→        const isPublished = await this.isSessionPublished(codingSessionPkId);
   139→        if (!isPublished) {
   140→          debugLog(
   141→            'ContentHandler',
   142→            'getCodingSession',
   143→            'Access DENIED - only project-owner has access to unpublished content'
   144→          );
   145→          // Return NOT_FOUND to not reveal existence of unpublished sessions
   146→          return {
   147→            success: false,
   148→            errorCode: 'NOT_FOUND',
   149→            errorMessage: 'Session not found',
   150→          };
   151→        }
   152→      }
   153→
   154→      // Check cache first (if enabled)
   155→      if (this.cacheEnabled) {
   156→        const cachedData = this.cache.get(projectId, filename);
   157→        if (cachedData) {
   158→          debugLog('ContentHandler', 'getCodingSession - found cached item', {
   159→            projectId,
   160→            filename,
   161→          });
   162→          return { success: true, data: cachedData };
   163→        }
   164→        debugLog('ContentHandler', 'getCodingSession - not found in cache', {
   165→          projectId,
   166→          filename,
   167→        });
   168→      }
   169→
   170→      // Fetch from storage
   171→      const result = await this.storageClient.getFile(projectId, filename);
   172→
   173→      if (!result.success) {
   174→        if (result.error === 'FILE_NOT_FOUND') {
   175→          return {
   176→            success: false,
   177→            errorCode: 'NOT_FOUND',
   178→            errorMessage: 'Session data not found',
   179→          };
   180→        }
   181→        return {
   182→          success: false,
   183→          errorCode: 'STORAGE_ERROR',
   184→          errorMessage: 'Failed to retrieve session data',
   185→        };
   186→      }
   187→
   188→      // Cache the result (if enabled)
   189→      if (this.cacheEnabled) {
   190→        this.cache.set(projectId, filename, result.data);
   191→        debugLog('ContentHandler', 'getCodingSession - added to cache', {
   192→          projectId,
   193→          filename,
   194→        });
   195→      }
   196→
   197→      return { success: true, data: result.data };
   198→    } catch (error) {
   199→      debugLog('ContentHandler', 'getCodingSession - ERROR', { error: getErrorInfo(error) });
   200→      return {
   201→        success: false,
   202→        errorCode: 'INTERNAL_ERROR',
   203→        errorMessage: 'An internal error occurred',
   204→      };
   205→    }
   206→  }
   207→
   208→  /**
   209→   * Put coding session data to storage
   210→   *
   211→   * Access: project-owner (ownership verified at route level by checkRouteAccess)
   212→   */
   213→  async putCodingSession(
   214→    payload: PutCodingSessionPayload,
   215→    _context: RequestContext
   216→  ): Promise<OperationResult<{ filename: string }>> {
   217→    const { projectId, filename, data, fileEncoding } = payload;
   218→
   219→    // Validate required fields
   220→    if (!projectId || !filename || !data) {
   221→      return {
   222→        success: false,
   223→        errorCode: 'VALIDATION_ERROR',
   224→        errorMessage: 'projectId, filename, and data are required',
   225→      };
   226→    }
   227→
   228→    // Upload to storage
   229→    const result = await this.storageClient.putFile(projectId, filename, data, fileEncoding);
   230→
   231→    if (!result.success) {
   232→      return {
   233→        success: false,
   234→        errorCode: 'STORAGE_ERROR',
   235→        errorMessage: 'Failed to store session data',
   236→      };
   237→    }
   238→
   239→    // Invalidate cache (new data will be cached on next get)
   240→    if (this.cacheEnabled) {
   241→      this.cache.invalidate(projectId, filename);
   242→      debugLog('ContentHandler', 'putCodingSession - invalidated cache', {
   243→        projectId,
   244→        filename,
   245→      });
   246→    }
   247→
   248→    return { success: true, data: { filename: result.filename } };
   249→  }
   250→
   251→  /**
   252→   * Delete coding session data from storage
   253→   *
   254→   * Access: project-owner (ownership verified at route level by checkRouteAccess)
   255→   */
   256→  async deleteCodingSession(
   257→    payload: DeleteCodingSessionPayload,
   258→    _context: RequestContext
   259→  ): Promise<OperationResult<{ filename: string }>> {
   260→    const { projectId, filename } = payload;
   261→
   262→    // Validate required fields
   263→    if (!projectId || !filename) {
   264→      return {
   265→        success: false,
   266→        errorCode: 'VALIDATION_ERROR',
   267→        errorMessage: 'projectId and filename are required',
   268→      };
   269→    }
   270→
   271→    // Delete from storage
   272→    const result = await this.storageClient.deleteFile(projectId, filename);
   273→
   274→    if (!result.success) {
   275→      if (result.error === 'FILE_NOT_FOUND') {
   276→        return {
   277→          success: false,
   278→          errorCode: 'NOT_FOUND',
   279→          errorMessage: 'Session data not found',
   280→        };
   281→      }
   282→      return {
   283→        success: false,
   284→        errorCode: 'STORAGE_ERROR',
   285→        errorMessage: 'Failed to delete session data',
   286→      };
   287→    }
   288→
   289→    // Invalidate cache
   290→    if (this.cacheEnabled) {
   291→      this.cache.invalidate(projectId, filename);
   292→      debugLog('ContentHandler', 'deleteCodingSession - invalidated cache', {
   293→        projectId,
   294→        filename,
   295→      });
   296→    }
   297→
   298→    return { success: true, data: { filename: result.filename } };
   299→  }
   300→}
   301→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "pattern": "packages/cwc-content/src/**/*.ts"
}

/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/cache/ContentCache.test.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/context/createContext.test.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/mocks/authClient.mock.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/mocks/context.mock.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/policies/checkRouteAccess.test.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/setup.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/cache/ContentCache.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/cache/index.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/config/index.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/policies/index.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/utils/debugLog.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/utils/index.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/mocks/index.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/mocks/sqlClient.mock.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/FetchApiV1/parseSessionImagesPath.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/FetchApiV1/routes.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/FetchApiV1/types.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/policies/accessPolicies.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/handlers/responseUtils.test.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/mocks/storageClient.mock.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/index.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/routes.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/FetchApiV1/handleFileGet.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/FetchApiV1/index.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/context/createContext.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/context/index.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/index.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/policies/checkRouteAccess.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/types/context.types.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/types/handler.types.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/utils/responseUtils.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/config/config.types.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/config/loadConfig.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentApiV1.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/handlers/ContentHandler.test.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/__tests__/mocks/config.mock.ts
/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/RequestHandler.ts"
}

     1→'use strict';
     2→
     3→import { getErrorInfo, type AuthClient } from 'cwc-backend-utils';
     4→import type { CwcContentConfig } from '../../config';
     5→import { createContext } from '../../context';
     6→import type { RequestContext } from '../../context';
     7→import { checkRouteAccess } from '../../policies';
     8→import type { ContentRouteConfig, ContentHandlerResponse } from '../../types/handler.types';
     9→import {
    10→  createAccessDeniedResponse,
    11→  createErrorResponse,
    12→  createSuccessResponse,
    13→  createInternalErrorResponse,
    14→} from '../../utils/responseUtils';
    15→import { debugLog } from '../../utils';
    16→
    17→export type RequestHandlerOptions = {
    18→  authHeader: string | undefined;
    19→  payload: unknown;
    20→  routeConfig: ContentRouteConfig;
    21→};
    22→
    23→/**
    24→ * Main request handler for cwc-content
    25→ *
    26→ * Responsibilities:
    27→ * 1. Extract JWT and create request context
    28→ * 2. Check route-level access
    29→ * 3. Delegate to operation
    30→ * 4. Return response
    31→ */
    32→export class RequestHandler {
    33→  private options: RequestHandlerOptions;
    34→  private config: CwcContentConfig;
    35→  private authClient: AuthClient;
    36→
    37→  constructor(options: RequestHandlerOptions, config: CwcContentConfig, authClient: AuthClient) {
    38→    this.options = options;
    39→    this.config = config;
    40→    this.authClient = authClient;
    41→  }
    42→
    43→  async processRequest(): Promise<ContentHandlerResponse> {
    44→    const { authHeader, payload, routeConfig } = this.options;
    45→    debugLog('RequestHandler', 'processRequest', { authHeader, payload, routeConfig });
    46→
    47→    try {
    48→      // Create context from JWT
    49→      const context = await createContext({
    50→        authHeader,
    51→        authClient: this.authClient,
    52→      });
    53→      debugLog('RequestHandler', 'processRequest', { context });
    54→
    55→      // Check route-level access (includes ownership verification for project-owner)
    56→      const routeAccessResult = checkRouteAccess({
    57→        context,
    58→        requiredRole: routeConfig.requiredRole,
    59→        payload: payload as { projectId?: string },
    60→      });
    61→      debugLog('RequestHandler', 'processRequest', { routeAccessResult });
    62→
    63→      if (!routeAccessResult.allowed) {
    64→        debugLog('RequestHandler', 'processRequest - ACCESS DENIED', { routeAccessResult });
    65→        return createAccessDeniedResponse(this.config, routeAccessResult.reason);
    66→      }
    67→
    68→      debugLog('RequestHandler', 'processRequest - ACCESS GRANTED', { routeAccessResult });
    69→      // Execute operation
    70→      return await this.executeOperation(context, payload, routeConfig);
    71→    } catch (error) {
    72→      debugLog('RequestHandler', 'processRequest - ERROR', { error: getErrorInfo(error) });
    73→      return createInternalErrorResponse(this.config, error);
    74→    }
    75→  }
    76→
    77→  private async executeOperation(
    78→    context: RequestContext,
    79→    payload: unknown,
    80→    routeConfig: ContentRouteConfig
    81→  ): Promise<ContentHandlerResponse> {
    82→    try {
    83→      debugLog('RequestHandler', 'executeOperation', { context, payload, routeConfig });
    84→
    85→      // Call the operation with payload and context
    86→      const result = await routeConfig.operation(payload, context);
    87→
    88→      if (result.success) {
    89→        debugLog('RequestHandler', 'executeOperation - success', { result });
    90→        return createSuccessResponse(result.data);
    91→      }
    92→
    93→      debugLog('RequestHandler', 'executeOperation - FAILED', { result });
    94→      return createErrorResponse(result.errorCode, result.errorMessage);
    95→    } catch (error) {
    96→      debugLog('RequestHandler', 'executeOperation - ERROR', { error: getErrorInfo(error) });
    97→      return createInternalErrorResponse(this.config, error);
    98→    }
    99→  }
   100→}
   101→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/policies/checkRouteAccess.ts"
}

     1→'use strict';
     2→
     3→import type { CwcRole } from 'cwc-types';
     4→import type { RequestContext } from '../context';
     5→import type { RouteAccessResult } from '../types/handler.types';
     6→import { debugLog } from '../utils';
     7→
     8→/**
     9→ * Options for route access check
    10→ */
    11→export type CheckRouteAccessOptions = {
    12→  context: RequestContext;
    13→  requiredRole: CwcRole;
    14→  payload: { projectId?: string };
    15→};
    16→
    17→/**
    18→ * Check if the current context can access a route based on required role.
    19→ *
    20→ * For cwc-content, ownership verification is performed at route level because:
    21→ * - Payload contains projectId (natural key) directly
    22→ * - JWT contains ownedProjects as array of projectId values
    23→ * - No database lookup required (unlike cwc-api which uses projectPkId)
    24→ *
    25→ * Role hierarchy for cwc-content:
    26→ * - guest-user: No authentication required
    27→ * - logged-on-user: Must be authenticated
    28→ * - project-owner: Must be authenticated AND own the project
    29→ *
    30→ * @param options - The check options including context, role, and payload
    31→ * @returns RouteAccessResult indicating whether access is allowed
    32→ */
    33→export function checkRouteAccess(options: CheckRouteAccessOptions): RouteAccessResult {
    34→  const { context, requiredRole, payload } = options;
    35→  debugLog('checkRouteAccess', 'checkRouteAccess', { context, requiredRole, payload });
    36→
    37→  // guest-user anyone can access
    38→  if (requiredRole === 'guest-user') {
    39→    debugLog('checkRouteAccess', 'guest-user', 'Access granted');
    40→    return { allowed: true };
    41→  }
    42→
    43→  // logged-on-user: any logged on user can access
    44→  if (requiredRole === 'logged-on-user') {
    45→    if (!context.isAuthenticated) {
    46→      debugLog('checkRouteAccess', 'logged-on-user', 'Not authenticated - Access denied');
    47→      return {
    48→        allowed: false,
    49→        reason: 'Authentication required',
    50→      };
    51→    }
    52→    debugLog('checkRouteAccess', 'logged-on-user', 'Is authenticated - Access granted');
    53→    return { allowed: true };
    54→  }
    55→
    56→  // project-owner: must be authenticated AND own the project
    57→  if (requiredRole === 'project-owner') {
    58→    if (!context.isAuthenticated) {
    59→      debugLog('checkRouteAccess', 'project-owner', 'Not authenticated - Access denied');
    60→      return {
    61→        allowed: false,
    62→        reason: 'Authentication required',
    63→      };
    64→    }
    65→
    66→    const projectId = payload?.projectId;
    67→    if (!projectId) {
    68→      debugLog('checkRouteAccess', 'project-owner', 'Missing projectId - Access denied');
    69→      return {
    70→        allowed: false,
    71→        reason: 'projectId is required',
    72→      };
    73→    }
    74→
    75→    if (!context.ownedProjects.includes(projectId)) {
    76→      debugLog('checkRouteAccess', 'project-owner', 'Does not own project - Access denied');
    77→      return {
    78→        allowed: false,
    79→        reason: 'You do not own this project',
    80→      };
    81→    }
    82→
    83→    debugLog('checkRouteAccess', 'project-owner', 'Owns project - Access granted');
    84→    return { allowed: true };
    85→  }
    86→
    87→  // Unknown role - fail fast if configuration is wrong
    88→  debugLog('checkRouteAccess', requiredRole, 'UNKNOWN ROLE - Access denied');
    89→  return {
    90→    allowed: false,
    91→    reason: `Unknown requiredRole: ${requiredRole}`,
    92→  };
    93→}
    94→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/context/createContext.ts"
}

     1→import type { AuthClient } from 'cwc-backend-utils';
     2→import type { UserJwtPayload } from 'cwc-types';
     3→import type { RequestContext } from '../types/context.types';
     4→import { debugLog } from '../utils';
     5→
     6→export type CreateContextOptions = {
     7→  authHeader: string | undefined;
     8→  authClient: AuthClient;
     9→};
    10→
    11→/**
    12→ * Creates a request context based on JWT verification
    13→ * Returns authenticated context on success, guest context on failure
    14→ *
    15→ * Graceful degradation: Auth failures or service errors result in guest context
    16→ */
    17→export async function createContext(options: CreateContextOptions): Promise<RequestContext> {
    18→  const { authHeader, authClient } = options;
    19→
    20→  // No auth header = guest user
    21→  if (!authHeader) {
    22→    return createGuestContext();
    23→  }
    24→
    25→  try {
    26→    // Verify token with cwc-auth
    27→    debugLog('createContext', 'Verifying token with cwc-auth...');
    28→    const result = await authClient.verifyToken(authHeader);
    29→    debugLog('createContext', 'Verify result:', {
    30→      success: result.success,
    31→      error: !result.success ? result.error : undefined,
    32→    });
    33→
    34→    // Verification failed = guest user (graceful degradation)
    35→    if (!result.success) {
    36→      debugLog('createContext', 'Token verification failed, returning guest context');
    37→      return createGuestContext();
    38→    }
    39→
    40→    // Verification succeeded = authenticated user
    41→    debugLog('createContext', 'Token verified, returning authenticated context');
    42→    return createAuthenticatedContext(result.payload);
    43→  } catch (error) {
    44→    // Auth service error = guest user (graceful degradation)
    45→    debugLog('createContext', 'Auth service error:', error);
    46→    return createGuestContext();
    47→  }
    48→}
    49→
    50→function createGuestContext(): RequestContext {
    51→  return {
    52→    isAuthenticated: false,
    53→    role: 'guest-user',
    54→    userPkId: undefined,
    55→    username: undefined,
    56→    ownedProjects: [],
    57→    payload: undefined,
    58→  };
    59→}
    60→
    61→function createAuthenticatedContext(payload: UserJwtPayload): RequestContext {
    62→  return {
    63→    isAuthenticated: true,
    64→    role: 'logged-on-user', // Actual role (project-owner) determined per-operation
    65→    userPkId: payload.sub,
    66→    username: payload.login.username,
    67→    ownedProjects: payload.login.ownedProjects,
    68→    payload,
    69→  };
    70→}
    71→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/cache/ContentCache.ts"
}

     1→/**
     2→ * Cache entry for content data
     3→ */
     4→type CacheEntry = {
     5→  data: Buffer;
     6→  timestamp: number;
     7→};
     8→
     9→/**
    10→ * LRU cache with TTL for content data
    11→ *
    12→ * Features:
    13→ * - Maximum size limit with LRU eviction
    14→ * - TTL-based expiration
    15→ * - Lazy eviction (expired entries removed on access)
    16→ *
    17→ * Generic cache that can be used for any content type in cwc-content.
    18→ * Currently used for coding session data, but extensible to other content.
    19→ */
    20→export class ContentCache {
    21→  private cache: Map<string, CacheEntry>;
    22→  private maxSize: number;
    23→  private ttlMs: number;
    24→
    25→  constructor(maxSize: number, ttlMs: number) {
    26→    this.cache = new Map();
    27→    this.maxSize = maxSize;
    28→    this.ttlMs = ttlMs;
    29→  }
    30→
    31→  /**
    32→   * Build cache key from projectId and filename
    33→   */
    34→  private buildKey(projectId: string, filename: string): string {
    35→    return `${projectId}:${filename}`;
    36→  }
    37→
    38→  /**
    39→   * Check if an entry has expired
    40→   */
    41→  private isExpired(entry: CacheEntry): boolean {
    42→    return Date.now() - entry.timestamp > this.ttlMs;
    43→  }
    44→
    45→  /**
    46→   * Get data from cache
    47→   * Returns undefined if not found or expired
    48→   */
    49→  get(projectId: string, filename: string): Buffer | undefined {
    50→    const key = this.buildKey(projectId, filename);
    51→    const entry = this.cache.get(key);
    52→
    53→    if (!entry) {
    54→      return undefined;
    55→    }
    56→
    57→    // Check TTL
    58→    if (this.isExpired(entry)) {
    59→      this.cache.delete(key);
    60→      return undefined;
    61→    }
    62→
    63→    // Move to end for LRU (delete and re-add to maintain insertion order)
    64→    this.cache.delete(key);
    65→    this.cache.set(key, entry);
    66→
    67→    return entry.data;
    68→  }
    69→
    70→  /**
    71→   * Set data in cache
    72→   * Evicts oldest entry if at capacity
    73→   */
    74→  set(projectId: string, filename: string, data: Buffer): void {
    75→    const key = this.buildKey(projectId, filename);
    76→
    77→    // If key exists, delete it first (to update LRU order)
    78→    if (this.cache.has(key)) {
    79→      this.cache.delete(key);
    80→    }
    81→
    82→    // Evict oldest entry if at capacity
    83→    if (this.cache.size >= this.maxSize) {
    84→      const oldestKey = this.cache.keys().next().value;
    85→      if (oldestKey) {
    86→        this.cache.delete(oldestKey);
    87→      }
    88→    }
    89→
    90→    // Add new entry
    91→    this.cache.set(key, {
    92→      data,
    93→      timestamp: Date.now(),
    94→    });
    95→  }
    96→
    97→  /**
    98→   * Invalidate a specific cache entry
    99→   */
   100→  invalidate(projectId: string, filename: string): void {
   101→    const key = this.buildKey(projectId, filename);
   102→    this.cache.delete(key);
   103→  }
   104→
   105→  /**
   106→   * Clear all cache entries
   107→   */
   108→  clear(): void {
   109→    this.cache.clear();
   110→  }
   111→
   112→  /**
   113→   * Get current cache size (for monitoring/debugging)
   114→   */
   115→  size(): number {
   116→    return this.cache.size;
   117→  }
   118→
   119→  /**
   120→   * Clean up expired entries (for optional background cleanup)
   121→   */
   122→  cleanup(): number {
   123→    let removed = 0;
   124→    for (const [key, entry] of this.cache.entries()) {
   125→      if (this.isExpired(entry)) {
   126→        this.cache.delete(key);
   127→        removed++;
   128→      }
   129→    }
   130→    return removed;
   131→  }
   132→}
   133→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/FetchApiV1/handleFileGet.ts"
}

     1→'use strict';
     2→
     3→import type { Request, Response } from 'express';
     4→import { getErrorInfo, type ILogger } from 'cwc-backend-utils';
     5→import type { CwcContentConfig } from '../../config';
     6→import type { ParsedPath } from './types';
     7→import { debugLog } from '../../utils';
     8→import axios from 'axios';
     9→
    10→const codeLocation = 'apis/FetchApiV1/handleFileGet.ts';
    11→
    12→type HandleFileGetResponse = {
    13→  success: boolean;
    14→};
    15→
    16→/**
    17→ * Handler for binary file GET requests
    18→ *
    19→ * Fetches files from cwc-storage FetchApiV1 and serves them with CORS headers.
    20→ *
    21→ * @param config - Content configuration
    22→ * @param logger - Optional logger for error tracking
    23→ * @param _req - Express request (unused but kept for signature consistency)
    24→ * @param res - Express response
    25→ * @param parsed - Validated path containing projectId and filepath
    26→ */
    27→export async function handleFileGet(
    28→  config: CwcContentConfig,
    29→  logger: ILogger | undefined,
    30→  _req: Request,
    31→  res: Response,
    32→  parsed: ParsedPath
    33→): Promise<HandleFileGetResponse> {
    34→  let success = false;
    35→  const { projectId, filepath } = parsed;
    36→
    37→  // Fetch from cwc-storage binary endpoint
    38→  // cwc-storage FetchApiV1 path: /storage/v1/file/{projectId}/{filepath}\
    39→  const storageUrl = `${config.storageUriInternal}/file/${projectId}/${encodeURIComponent(filepath)}`;
    40→
    41→  try {
    42→    // Construct the request to StorageApi
    43→    const storageResponse = await axios({
    44→      method: 'get',
    45→      url: storageUrl,
    46→      headers: { 'x-api-key': config.secrets.storageApiKey },
    47→      responseType: 'stream', // tells axios to return a stream, not a buffer
    48→    });
    49→
    50→    // set the correct headers so the browser recognizes it as an image
    51→    res.setHeader('Content-Type', storageResponse.headers['content-type']);
    52→
    53→    // pipe (forward) the data directly from StorageApi to the browser
    54→    storageResponse.data.pipe(res);
    55→    success = true;
    56→  } catch (error) {
    57→    success = false;
    58→    debugLog('FetchApiV1', 'handleFileGet - ERROR', { error: getErrorInfo(error) });
    59→
    60→    logger?.logError({
    61→      userPkId: undefined,
    62→      codeLocation,
    63→      message: 'file fetch error',
    64→      error,
    65→    });
    66→    res.status(500).json({
    67→      success: false,
    68→      errorCode: 'STORAGE_ERROR',
    69→      errorMessage: 'Failed to retrieve file',
    70→    });
    71→  }
    72→  return { success };
    73→}
    74→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

The file /Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→# Plan: Add Comprehensive debugLog to cwc-sql and cwc-content
     2→
     3→## Goal
     4→Add useful, actionable debugLog statements to functions that do work or make decisions.
     5→
     6→## Key Pattern: Useful Logging
     7→
     8→**BAD (not useful):**

The file /Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   109→10. `src/sql/generateCustom.ts`
   110→11. `src/sql/validation.ts`
   111→12. `src/cache/queryCache.ts`
   112→
   113→---
   114→
   115→# cwc-content Gaps
   116→
   117→## Files with Good Coverage (no changes needed)
   118→- `RequestHandler.ts` - comprehensive ✅
   119→- `checkRouteAccess.ts` - comprehensive ✅
   120→
   121→## Files to Update
   122→
   123→### `src/apis/ContentApiV1/ContentHandler.ts`
   124→
   125→**`putCodingSession` - MISSING ALL debugLog:**
   126→```typescript
   127→// Entry
   128→debugLog('ContentHandler', 'putCodingSession', { projectId, filename });
   129→
   130→// Validation failure
   131→debugLog('ContentHandler', 'putCodingSession - validation failed', {
   132→  hasProjectId: !!projectId, hasFilename: !!filename, hasData: !!data
   133→});
   134→
   135→// Before storage call
   136→debugLog('ContentHandler', 'putCodingSession - uploading to storage', { projectId, filename });
   137→
   138→// Storage error
   139→debugLog('ContentHandler', 'putCodingSession - storage error', { projectId, filename });
   140→
   141→// Success
   142→debugLog('ContentHandler', 'putCodingSession - success', { projectId, filename });
   143→```
   144→
   145→**`deleteCodingSession` - MISSING ALL debugLog:**
   146→```typescript
   147→// Entry
   148→debugLog('ContentHandler', 'deleteCodingSession', { projectId, filename });
   149→
   150→// Validation failure
   151→debugLog('ContentHandler', 'deleteCodingSession - validation failed', {
   152→  hasProjectId: !!projectId, hasFilename: !!filename
   153→});
   154→
   155→// Before storage call
   156→debugLog('ContentHandler', 'deleteCodingSession - deleting from storage', { projectId, filename });
   157→
   158→// Storage errors
   159→debugLog('ContentHandler', 'deleteCodingSession - FILE_NOT_FOUND', { projectId, filename });
   160→debugLog('ContentHandler', 'deleteCodingSession - storage error', { projectId, filename });
   161→
   162→// Success
   163→debugLog('ContentHandler', 'deleteCodingSession - success', { projectId, filename });
   164→```
   165→
   166→**`getCodingSession` - GAPS:**
   167→```typescript
   168→// Before storage fetch (line ~170)
   169→debugLog('ContentHandler', 'getCodingSession - fetching from storage', { projectId, filename });
   170→
   171→// Storage FILE_NOT_FOUND (line ~174)
   172→debugLog('ContentHandler', 'getCodingSession - FILE_NOT_FOUND', { projectId, filename });
   173→
   174→// Storage generic error (line ~181)
   175→debugLog('ContentHandler', 'getCodingSession - storage error', { projectId, filename });
   176→
   177→// Success (line ~197)
   178→debugLog('ContentHandler', 'getCodingSession - success', { projectId, filename });
   179→```
   180→
   181→### `src/cache/ContentCache.ts` - NO debugLog (0%)
   182→
   183→```typescript
   184→// get() - cache lookup
   185→debugLog('ContentCache', 'get', { projectId, filename, found: !!entry });
   186→
   187→// get() - expired eviction
   188→debugLog('ContentCache', 'get - evicted expired entry', { projectId, filename });
   189→
   190→// set() - adding to cache
   191→debugLog('ContentCache', 'set', { projectId, filename, cacheSize: this.cache.size });
   192→
   193→// set() - LRU eviction
   194→debugLog('ContentCache', 'set - evicted LRU entry', { evictedKey: oldestKey });
   195→
   196→// invalidate()
   197→debugLog('ContentCache', 'invalidate', { projectId, filename });
   198→
   199→// cleanup()
   200→debugLog('ContentCache', 'cleanup', { entriesRemoved: removed });
   201→```
   202→
   203→### `src/context/createContext.ts` - MINOR GAPS
   204→
   205→```typescript
   206→// No auth header case (line ~21)
   207→debugLog('createContext', 'no auth header, returning guest context');
   208→```
   209→
   210→### `src/apis/FetchApiV1/handleFileGet.ts` - GAPS
   211→
   212→```typescript
   213→// Entry
   214→debugLog('FetchApiV1', 'handleFileGet', { projectId, filepath });
   215→
   216→// Before storage call
   217→debugLog('FetchApiV1', 'handleFileGet - fetching from storage', { storageUrl });
   218→
   219→// Success
   220→debugLog('FetchApiV1', 'handleFileGet - success', { projectId, filepath });
   221→```
   222→
   223→---
   224→
   225→## Implementation Notes
   226→
   227→**cwc-sql:**
   228→- Import debugLog from '../debugLog' in each file
   229→- Don't log sensitive data (passwords, tokens) - only structural info
   230→- Don't log full SQL statements - log table names and counts instead
   231→- Use getErrorInfo(error) in catch blocks
   232→
   233→**cwc-content:**
   234→- Import debugLog from '../../utils' (already available in most files)
   235→- Always include projectId and filename for cache/storage operations
   236→- Use getErrorInfo(error) for error objects
   237→

The file /Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→# Plan: Add Comprehensive debugLog to cwc-sql and cwc-content
     2→
     3→## Goal
     4→Add useful, actionable debugLog statements to functions that do work or make decisions.
     5→
     6→## Summary
     7→
     8→| Package | Files to Update | Current Coverage |
     9→|---------|-----------------|------------------|
    10→| cwc-sql | 12 files | ~5.6% |
    11→| cwc-content | 4 files | ~60% (gaps in ContentHandler, ContentCache) |
    12→
    13→**Total: 16 files to update**
    14→
    15→## Key Pattern: Useful Logging
    16→
    17→**BAD (not useful):**
    18→```typescript
    19→debugLog('selectHandler', 'Cache hit');

The file /Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    32→2. Use descriptive action phrases: "found cached result", "generated SQL", "validation failed"
    33→3. Log at decision points (if/else branches, validation results, errors)
    34→4. Use getErrorInfo(error) for error objects
    35→
    36→---
    37→
    38→# cwc-sql (12 files)
    39→
    40→## Current Coverage: ~5.6%
    41→
    42→Only `verifyToken.ts` and `commandHandler.ts` have debugLog.
    43→
    44→## Files to Update
    45→
    46→### Priority 1: Operation Handlers
    47→
    48→**`src/handlers/selectHandler.ts`**

The file /Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   242→- Don't log sensitive data (passwords, tokens) - only structural info
   243→- Don't log full SQL statements - log table names and counts instead
   244→- Use getErrorInfo(error) in catch blocks
   245→
   246→**cwc-content:**
   247→- Import debugLog from '../../utils' (already available in most files)
   248→- Always include projectId and filename for cache/storage operations
   249→- Use getErrorInfo(error) for error objects
   250→
   251→## Files to Modify (Complete List)
   252→
   253→**cwc-sql (12 files):**
   254→1. `packages/cwc-sql/src/handlers/selectHandler.ts`
   255→2. `packages/cwc-sql/src/handlers/insertHandler.ts`
   256→3. `packages/cwc-sql/src/handlers/updateHandler.ts`
   257→4. `packages/cwc-sql/src/handlers/deleteHandler.ts`
   258→5. `packages/cwc-sql/src/handlers/executeOperation.ts`
   259→6. `packages/cwc-sql/src/sql/generateSelect.ts`
   260→7. `packages/cwc-sql/src/sql/generateInsert.ts`
   261→8. `packages/cwc-sql/src/sql/generateUpdate.ts`
   262→9. `packages/cwc-sql/src/sql/generateDelete.ts`
   263→10. `packages/cwc-sql/src/sql/generateCustom.ts`
   264→11. `packages/cwc-sql/src/sql/validation.ts`
   265→12. `packages/cwc-sql/src/cache/queryCache.ts`
   266→
   267→**cwc-content (4 files):**
   268→13. `packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts`
   269→14. `packages/cwc-content/src/cache/ContentCache.ts`
   270→15. `packages/cwc-content/src/context/createContext.ts`
   271→16. `packages/cwc-content/src/apis/FetchApiV1/handleFileGet.ts`
   272→

The file /Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   107→- get(): `debugLog('queryCache', 'get', { table, cacheKey, found })`
   108→- set(): `debugLog('queryCache', 'set', { table, cacheKey })`
   109→- invalidateTable(): `debugLog('queryCache', 'invalidateTable', { table, keysRemoved })`
   110→
   111→---
   112→
   113→# cwc-content Gaps
   114→
   115→## Files with Good Coverage (no changes needed)

{
  "file_path": "/Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md"
}

     1→# Plan: Add Comprehensive debugLog to cwc-sql and cwc-content
     2→
     3→## Goal
     4→Add useful, actionable debugLog statements to functions that do work or make decisions.
     5→
     6→## Summary
     7→
     8→| Package | Files to Update | Current Coverage |
     9→|---------|-----------------|------------------|
    10→| cwc-sql | 12 files | ~5.6% |
    11→| cwc-content | 4 files | ~60% (gaps in ContentHandler, ContentCache) |
    12→
    13→**Total: 16 files to update**
    14→
    15→## Key Pattern: Useful Logging
    16→
    17→**BAD (not useful):**
    18→```typescript
    19→debugLog('selectHandler', 'Cache hit');
    20→```
    21→
    22→**GOOD (useful - includes identifying data):**
    23→```typescript
    24→debugLog('selectHandler', 'found cached result', {
    25→  table: operation.table,
    26→  filterCount: Object.keys(operation.filters || {}).length
    27→});
    28→```
    29→
    30→**Rules:**
    31→1. Always include identifying keys/data (table name, operation type, key values)
    32→2. Use descriptive action phrases: "found cached result", "generated SQL", "validation failed"
    33→3. Log at decision points (if/else branches, validation results, errors)
    34→4. Use getErrorInfo(error) for error objects
    35→
    36→---
    37→
    38→# cwc-sql (12 files)
    39→
    40→## Current Coverage: ~5.6%
    41→
    42→Only `verifyToken.ts` and `commandHandler.ts` have debugLog.
    43→
    44→## Files to Update
    45→
    46→### Priority 1: Operation Handlers
    47→
    48→**`src/handlers/selectHandler.ts`**
    49→- Entry: `debugLog('selectHandler', '', { table, hasCustom, hasFilters })`
    50→- Cache check: `debugLog('selectHandler', 'cache hit/miss', { table, cacheKey })`
    51→- SQL generated: `debugLog('selectHandler', 'executing query', { sql: sanitized })`
    52→- Result: `debugLog('selectHandler', 'query complete', { rowCount })`
    53→
    54→**`src/handlers/insertHandler.ts`**
    55→- Entry: `debugLog('insertHandler', '', { table, valueCount })`
    56→- Cache invalidation: `debugLog('insertHandler', 'invalidated cache', { table })`
    57→- Result: `debugLog('insertHandler', 'insert complete', { insertId })`
    58→
    59→**`src/handlers/updateHandler.ts`**
    60→- Entry: `debugLog('updateHandler', '', { table, filterCount })`
    61→- Cache invalidation: `debugLog('updateHandler', 'invalidated cache', { table })`
    62→- Result: `debugLog('updateHandler', 'update complete', { changedRows })`
    63→
    64→**`src/handlers/deleteHandler.ts`**
    65→- Entry: `debugLog('deleteHandler', '', { table, filterCount })`
    66→- Cache invalidation: `debugLog('deleteHandler', 'invalidated cache', { table })`
    67→- Result: `debugLog('deleteHandler', 'delete complete', { affectedRows })`
    68→
    69→**`src/handlers/executeOperation.ts`**
    70→- Routing: `debugLog('executeOperation', '', { operationType, table })`
    71→
    72→### Priority 2: SQL Generation
    73→
    74→**`src/sql/generateSelect.ts`**
    75→- Entry: `debugLog('generateSelect', '', { table, hasCustom })`
    76→- Validation: `debugLog('generateSelect', 'validated table', { table })`
    77→- Complex clauses: `debugLog('generateSelect', 'built WHERE clause', { filterCount })`
    78→
    79→**`src/sql/generateInsert.ts`**
    80→- Entry: `debugLog('generateInsert', '', { table, columnCount })`
    81→- Validation results: `debugLog('generateInsert', 'validated values', { table })`
    82→- Timestamp injection: `debugLog('generateInsert', 'added timestamps', { columns })`
    83→
    84→**`src/sql/generateUpdate.ts`**
    85→- Entry: `debugLog('generateUpdate', '', { table, setCount, filterCount })`
    86→- Safety check: `debugLog('generateUpdate', 'requireFilters passed', { filterCount })`
    87→
    88→**`src/sql/generateDelete.ts`**
    89→- Entry: `debugLog('generateDelete', '', { table, filterCount })`
    90→- Safety check: `debugLog('generateDelete', 'requireFilters passed', { filterCount })`
    91→
    92→**`src/sql/generateCustom.ts`**
    93→- Entry: `debugLog('generateCustom', '', { tableCount, paramCount })`
    94→- Validation: `debugLog('generateCustom', 'validated placeholders', { valid })`
    95→
    96→### Priority 3: Validation Functions
    97→
    98→**`src/sql/validation.ts`**
    99→- validateTable: `debugLog('validation', 'validateTable', { table, found })`
   100→- validateColumns: `debugLog('validation', 'validateColumns', { table, columnCount, valid })`
   101→- requireFilters: `debugLog('validation', 'requireFilters', { hasFilters })`
   102→
   103→### Priority 4: Cache Functions
   104→
   105→**`src/cache/queryCache.ts`**
   106→- Replace existing console.log with debugLog
   107→- get(): `debugLog('queryCache', 'get', { table, cacheKey, found })`
   108→- set(): `debugLog('queryCache', 'set', { table, cacheKey })`
   109→- invalidateTable(): `debugLog('queryCache', 'invalidateTable', { table, keysRemoved })`
   110→
   111→---
   112→
   113→# cwc-content Gaps
   114→
   115→## Files with Good Coverage (no changes needed)
   116→- `RequestHandler.ts` - comprehensive ✅
   117→- `checkRouteAccess.ts` - comprehensive ✅
   118→
   119→## Files to Update
   120→
   121→### `src/apis/ContentApiV1/ContentHandler.ts`
   122→
   123→**`putCodingSession` - MISSING ALL debugLog:**
   124→```typescript
   125→// Entry
   126→debugLog('ContentHandler', 'putCodingSession', { projectId, filename });
   127→
   128→// Validation failure
   129→debugLog('ContentHandler', 'putCodingSession - validation failed', {
   130→  hasProjectId: !!projectId, hasFilename: !!filename, hasData: !!data
   131→});
   132→
   133→// Before storage call
   134→debugLog('ContentHandler', 'putCodingSession - uploading to storage', { projectId, filename });
   135→
   136→// Storage error
   137→debugLog('ContentHandler', 'putCodingSession - storage error', { projectId, filename });
   138→
   139→// Success
   140→debugLog('ContentHandler', 'putCodingSession - success', { projectId, filename });
   141→```
   142→
   143→**`deleteCodingSession` - MISSING ALL debugLog:**
   144→```typescript
   145→// Entry
   146→debugLog('ContentHandler', 'deleteCodingSession', { projectId, filename });
   147→
   148→// Validation failure
   149→debugLog('ContentHandler', 'deleteCodingSession - validation failed', {
   150→  hasProjectId: !!projectId, hasFilename: !!filename
   151→});
   152→
   153→// Before storage call
   154→debugLog('ContentHandler', 'deleteCodingSession - deleting from storage', { projectId, filename });
   155→
   156→// Storage errors
   157→debugLog('ContentHandler', 'deleteCodingSession - FILE_NOT_FOUND', { projectId, filename });
   158→debugLog('ContentHandler', 'deleteCodingSession - storage error', { projectId, filename });
   159→
   160→// Success
   161→debugLog('ContentHandler', 'deleteCodingSession - success', { projectId, filename });
   162→```
   163→
   164→**`getCodingSession` - GAPS:**
   165→```typescript
   166→// Before storage fetch (line ~170)
   167→debugLog('ContentHandler', 'getCodingSession - fetching from storage', { projectId, filename });
   168→
   169→// Storage FILE_NOT_FOUND (line ~174)
   170→debugLog('ContentHandler', 'getCodingSession - FILE_NOT_FOUND', { projectId, filename });
   171→
   172→// Storage generic error (line ~181)
   173→debugLog('ContentHandler', 'getCodingSession - storage error', { projectId, filename });
   174→
   175→// Success (line ~197)
   176→debugLog('ContentHandler', 'getCodingSession - success', { projectId, filename });
   177→```
   178→
   179→### `src/cache/ContentCache.ts` - NO debugLog (0%)
   180→
   181→```typescript
   182→// get() - cache lookup
   183→debugLog('ContentCache', 'get', { projectId, filename, found: !!entry });
   184→
   185→// get() - expired eviction
   186→debugLog('ContentCache', 'get - evicted expired entry', { projectId, filename });
   187→
   188→// set() - adding to cache
   189→debugLog('ContentCache', 'set', { projectId, filename, cacheSize: this.cache.size });
   190→
   191→// set() - LRU eviction
   192→debugLog('ContentCache', 'set - evicted LRU entry', { evictedKey: oldestKey });
   193→
   194→// invalidate()
   195→debugLog('ContentCache', 'invalidate', { projectId, filename });
   196→
   197→// cleanup()
   198→debugLog('ContentCache', 'cleanup', { entriesRemoved: removed });
   199→```
   200→
   201→### `src/context/createContext.ts` - MINOR GAPS
   202→
   203→```typescript
   204→// No auth header case (line ~21)
   205→debugLog('createContext', 'no auth header, returning guest context');
   206→```
   207→
   208→### `src/apis/FetchApiV1/handleFileGet.ts` - GAPS
   209→
   210→```typescript
   211→// Entry
   212→debugLog('FetchApiV1', 'handleFileGet', { projectId, filepath });
   213→
   214→// Before storage call
   215→debugLog('FetchApiV1', 'handleFileGet - fetching from storage', { storageUrl });
   216→
   217→// Success
   218→debugLog('FetchApiV1', 'handleFileGet - success', { projectId, filepath });
   219→```
   220→
   221→---
   222→
   223→## Implementation Notes
   224→
   225→**cwc-sql:**
   226→- Import debugLog from '../debugLog' in each file
   227→- Don't log sensitive data (passwords, tokens) - only structural info
   228→- Don't log full SQL statements - log table names and counts instead
   229→- Use getErrorInfo(error) in catch blocks
   230→
   231→**cwc-content:**
   232→- Import debugLog from '../../utils' (already available in most files)
   233→- Always include projectId and filename for cache/storage operations
   234→- Use getErrorInfo(error) for error objects
   235→
   236→## Files to Modify (Complete List)
   237→
   238→**cwc-sql (12 files):**
   239→1. `packages/cwc-sql/src/handlers/selectHandler.ts`
   240→2. `packages/cwc-sql/src/handlers/insertHandler.ts`
   241→3. `packages/cwc-sql/src/handlers/updateHandler.ts`
   242→4. `packages/cwc-sql/src/handlers/deleteHandler.ts`
   243→5. `packages/cwc-sql/src/handlers/executeOperation.ts`
   244→6. `packages/cwc-sql/src/sql/generateSelect.ts`
   245→7. `packages/cwc-sql/src/sql/generateInsert.ts`
   246→8. `packages/cwc-sql/src/sql/generateUpdate.ts`
   247→9. `packages/cwc-sql/src/sql/generateDelete.ts`
   248→10. `packages/cwc-sql/src/sql/generateCustom.ts`
   249→11. `packages/cwc-sql/src/sql/validation.ts`
   250→12. `packages/cwc-sql/src/cache/queryCache.ts`
   251→
   252→**cwc-content (4 files):**
   253→13. `packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts`
   254→14. `packages/cwc-content/src/cache/ContentCache.ts`
   255→15. `packages/cwc-content/src/context/createContext.ts`
   256→16. `packages/cwc-content/src/apis/FetchApiV1/handleFileGet.ts`
   257→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "todos": [
    {
      "content": "Add debugLog to cwc-sql selectHandler.ts",
      "status": "in_progress",
      "activeForm": "Adding debugLog to selectHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql insertHandler.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to insertHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql updateHandler.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to updateHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql deleteHandler.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to deleteHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql executeOperation.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to executeOperation.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateSelect.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to generateSelect.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateInsert.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to generateInsert.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateUpdate.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to generateUpdate.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateDelete.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to generateDelete.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateCustom.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to generateCustom.ts"
    },
    {
      "content": "Add debugLog to cwc-sql validation.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to validation.ts"
    },
    {
      "content": "Add debugLog to cwc-sql queryCache.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to queryCache.ts"
    },
    {
      "content": "Add debugLog to cwc-content ContentHandler.ts gaps",
      "status": "pending",
      "activeForm": "Adding debugLog to ContentHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-content ContentCache.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to ContentCache.ts"
    },
    {
      "content": "Add debugLog to cwc-content createContext.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to createContext.ts"
    },
    {
      "content": "Add debugLog to cwc-content handleFileGet.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to handleFileGet.ts"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/selectHandler.ts"
}

     1→import type { PoolConnection } from 'mariadb';
     2→import type { SqlClientOperation } from 'cwc-backend-utils';
     3→import { generateSelect, generateCustom } from '../sql';
     4→import type { QueryCache } from '../cache';
     5→import type { CwcSqlConfig } from '../config';
     6→
     7→/**
     8→ * Executes a SELECT operation
     9→ * Returns query results and optional count
    10→ */
    11→export async function selectHandler(
    12→  conn: PoolConnection,
    13→  operation: SqlClientOperation,
    14→  cache: QueryCache,
    15→  config: CwcSqlConfig
    16→): Promise<unknown> {
    17→  try {
    18→    // Check if operation uses custom SQL
    19→    if (operation.custom) {
    20→      return await executeCustomSelect(conn, operation, cache, config);
    21→    }
    22→
    23→    // Check cache first
    24→    const cached = cache.get(operation);
    25→    if (cached !== undefined) {
    26→      return cached;
    27→    }
    28→
    29→    // Generate SQL
    30→    const { sql, params, includeCount, countSql } = generateSelect(operation);
    31→
    32→    if (config.debugMode) {
    33→      console.log(`[cwc-sql] SELECT: ${sql}`);
    34→      console.log(`[cwc-sql] Params:`, params);
    35→    }
    36→
    37→    // Execute query
    38→    const rows = await conn.query(sql, params);
    39→
    40→    // Execute count query if requested
    41→    let result: unknown;
    42→    if (includeCount && countSql) {
    43→      const countResult = await conn.query(countSql, params);
    44→      const count = countResult[0]?.count || 0;
    45→
    46→      result = {
    47→        rows,
    48→        count,
    49→      };
    50→    } else {
    51→      result = rows;
    52→    }
    53→
    54→    // Cache the result
    55→    cache.set(operation, result);
    56→
    57→    return result;
    58→  } catch (error) {
    59→    if (config.debugMode) {
    60→      console.error('[cwc-sql] SELECT error:', error);
    61→    }
    62→    throw error;
    63→  }
    64→}
    65→
    66→/**
    67→ * Executes a custom SELECT query
    68→ */
    69→async function executeCustomSelect(
    70→  conn: PoolConnection,
    71→  operation: SqlClientOperation,
    72→  cache: QueryCache,
    73→  config: CwcSqlConfig
    74→): Promise<unknown> {
    75→  // Check cache first (custom queries are also cacheable)
    76→  const cached = cache.get(operation);
    77→  if (cached !== undefined) {
    78→    return cached;
    79→  }
    80→
    81→  // Validate and get custom SQL
    82→  const { sql, params } = generateCustom(operation);
    83→
    84→  if (config.debugMode) {
    85→    console.log(`[cwc-sql] CUSTOM SELECT: ${sql}`);
    86→    console.log(`[cwc-sql] Params:`, params);
    87→  }
    88→
    89→  // Execute custom query
    90→  const rows = await conn.query(sql, params);
    91→
    92→  // Cache the result
    93→  cache.set(operation, rows);
    94→
    95→  return rows;
    96→}
    97→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/debugLog.ts"
}

     1→'use strict';
     2→
     3→import { loadConfig } from './config';
     4→
     5→/**
     6→ * Debug logging utility for cwc-sql
     7→ * Only outputs when config.debugMode is enabled
     8→ *
     9→ * @param context - Component/function name
    10→ * @param message - Log message
    11→ * @param data - Optional data to log
    12→ */
    13→export function debugLog(context: string, message: string, data?: unknown): void {
    14→  const config = loadConfig();
    15→  if (!config.debugMode) return;
    16→
    17→  const prefix = `[cwc-sql]:${context}]`;
    18→  if (data !== undefined) {
    19→    console.log(prefix, message, data);
    20→  } else {
    21→    console.log(prefix, message);
    22→  }
    23→}
    24→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/selectHandler.ts",
  "old_string": "import type { PoolConnection } from 'mariadb';\nimport type { SqlClientOperation } from 'cwc-backend-utils';\nimport { generateSelect, generateCustom } from '../sql';\nimport type { QueryCache } from '../cache';\nimport type { CwcSqlConfig } from '../config';",
  "new_string": "import type { PoolConnection } from 'mariadb';\nimport type { SqlClientOperation } from 'cwc-backend-utils';\nimport { getErrorInfo } from 'cwc-backend-utils';\nimport { generateSelect, generateCustom } from '../sql';\nimport type { QueryCache } from '../cache';\nimport type { CwcSqlConfig } from '../config';\nimport { debugLog } from '../debugLog';"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/selectHandler.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→import type { PoolConnection } from 'mariadb';
     2→import type { SqlClientOperation } from 'cwc-backend-utils';
     3→import { getErrorInfo } from 'cwc-backend-utils';
     4→import { generateSelect, generateCustom } from '../sql';
     5→import type { QueryCache } from '../cache';
     6→import type { CwcSqlConfig } from '../config';
     7→import { debugLog } from '../debugLog';
     8→
     9→/**
    10→ * Executes a SELECT operation
    11→ * Returns query results and optional count

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/selectHandler.ts",
  "old_string": "export async function selectHandler(\n  conn: PoolConnection,\n  operation: SqlClientOperation,\n  cache: QueryCache,\n  config: CwcSqlConfig\n): Promise<unknown> {\n  try {\n    // Check if operation uses custom SQL\n    if (operation.custom) {\n      return await executeCustomSelect(conn, operation, cache, config);\n    }\n\n    // Check cache first\n    const cached = cache.get(operation);\n    if (cached !== undefined) {\n      return cached;\n    }\n\n    // Generate SQL\n    const { sql, params, includeCount, countSql } = generateSelect(operation);\n\n    if (config.debugMode) {\n      console.log(`[cwc-sql] SELECT: ${sql}`);\n      console.log(`[cwc-sql] Params:`, params);\n    }\n\n    // Execute query\n    const rows = await conn.query(sql, params);\n\n    // Execute count query if requested\n    let result: unknown;\n    if (includeCount && countSql) {\n      const countResult = await conn.query(countSql, params);\n      const count = countResult[0]?.count || 0;\n\n      result = {\n        rows,\n        count,\n      };\n    } else {\n      result = rows;\n    }\n\n    // Cache the result\n    cache.set(operation, result);\n\n    return result;\n  } catch (error) {\n    if (config.debugMode) {\n      console.error('[cwc-sql] SELECT error:', error);\n    }\n    throw error;\n  }\n}",
  "new_string": "export async function selectHandler(\n  conn: PoolConnection,\n  operation: SqlClientOperation,\n  cache: QueryCache,\n  config: CwcSqlConfig\n): Promise<unknown> {\n  const table = operation.table || 'custom';\n  const filterCount = Object.keys(operation.filters || {}).length;\n\n  debugLog('selectHandler', '', {\n    table,\n    hasCustom: !!operation.custom,\n    hasFilters: filterCount > 0,\n    filterCount,\n  });\n\n  try {\n    // Check if operation uses custom SQL\n    if (operation.custom) {\n      debugLog('selectHandler', 'routing to custom select', { table });\n      return await executeCustomSelect(conn, operation, cache, config);\n    }\n\n    // Check cache first\n    const cached = cache.get(operation);\n    if (cached !== undefined) {\n      debugLog('selectHandler', 'cache hit', { table, filterCount });\n      return cached;\n    }\n    debugLog('selectHandler', 'cache miss', { table, filterCount });\n\n    // Generate SQL\n    const { sql, params, includeCount, countSql } = generateSelect(operation);\n\n    debugLog('selectHandler', 'executing query', { table, includeCount });\n\n    // Execute query\n    const rows = await conn.query(sql, params);\n    const rowCount = Array.isArray(rows) ? rows.length : 0;\n\n    // Execute count query if requested\n    let result: unknown;\n    if (includeCount && countSql) {\n      const countResult = await conn.query(countSql, params);\n      const count = countResult[0]?.count || 0;\n\n      result = {\n        rows,\n        count,\n      };\n      debugLog('selectHandler', 'query complete with count', { table, rowCount, totalCount: count });\n    } else {\n      result = rows;\n      debugLog('selectHandler', 'query complete', { table, rowCount });\n    }\n\n    // Cache the result\n    cache.set(operation, result);\n    debugLog('selectHandler', 'cached result', { table });\n\n    return result;\n  } catch (error) {\n    debugLog('selectHandler', 'ERROR', { table, error: getErrorInfo(error) });\n    throw error;\n  }\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/selectHandler.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     9→/**
    10→ * Executes a SELECT operation
    11→ * Returns query results and optional count
    12→ */
    13→export async function selectHandler(
    14→  conn: PoolConnection,
    15→  operation: SqlClientOperation,
    16→  cache: QueryCache,
    17→  config: CwcSqlConfig
    18→): Promise<unknown> {
    19→  const table = operation.table || 'custom';
    20→  const filterCount = Object.keys(operation.filters || {}).length;
    21→
    22→  debugLog('selectHandler', '', {
    23→    table,
    24→    hasCustom: !!operation.custom,
    25→    hasFilters: filterCount > 0,
    26→    filterCount,
    27→  });
    28→
    29→  try {
    30→    // Check if operation uses custom SQL
    31→    if (operation.custom) {
    32→      debugLog('selectHandler', 'routing to custom select', { table });
    33→      return await executeCustomSelect(conn, operation, cache, config);
    34→    }
    35→
    36→    // Check cache first
    37→    const cached = cache.get(operation);
    38→    if (cached !== undefined) {
    39→      debugLog('selectHandler', 'cache hit', { table, filterCount });
    40→      return cached;
    41→    }
    42→    debugLog('selectHandler', 'cache miss', { table, filterCount });
    43→
    44→    // Generate SQL
    45→    const { sql, params, includeCount, countSql } = generateSelect(operation);
    46→
    47→    debugLog('selectHandler', 'executing query', { table, includeCount });
    48→
    49→    // Execute query
    50→    const rows = await conn.query(sql, params);
    51→    const rowCount = Array.isArray(rows) ? rows.length : 0;
    52→
    53→    // Execute count query if requested
    54→    let result: unknown;
    55→    if (includeCount && countSql) {
    56→      const countResult = await conn.query(countSql, params);
    57→      const count = countResult[0]?.count || 0;
    58→
    59→      result = {
    60→        rows,
    61→        count,
    62→      };
    63→      debugLog('selectHandler', 'query complete with count', { table, rowCount, totalCount: count });
    64→    } else {
    65→      result = rows;
    66→      debugLog('selectHandler', 'query complete', { table, rowCount });
    67→    }
    68→
    69→    // Cache the result
    70→    cache.set(operation, result);
    71→    debugLog('selectHandler', 'cached result', { table });
    72→
    73→    return result;
    74→  } catch (error) {
    75→    debugLog('selectHandler', 'ERROR', { table, error: getErrorInfo(error) });
    76→    throw error;
    77→  }
    78→}
    79→
    80→/**
    81→ * Executes a custom SELECT query
    82→ */

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/selectHandler.ts",
  "old_string": "/**\n * Executes a custom SELECT query\n */\nasync function executeCustomSelect(\n  conn: PoolConnection,\n  operation: SqlClientOperation,\n  cache: QueryCache,\n  config: CwcSqlConfig\n): Promise<unknown> {\n  // Check cache first (custom queries are also cacheable)\n  const cached = cache.get(operation);\n  if (cached !== undefined) {\n    return cached;\n  }\n\n  // Validate and get custom SQL\n  const { sql, params } = generateCustom(operation);\n\n  if (config.debugMode) {\n    console.log(`[cwc-sql] CUSTOM SELECT: ${sql}`);\n    console.log(`[cwc-sql] Params:`, params);\n  }\n\n  // Execute custom query\n  const rows = await conn.query(sql, params);\n\n  // Cache the result\n  cache.set(operation, rows);\n\n  return rows;\n}",
  "new_string": "/**\n * Executes a custom SELECT query\n */\nasync function executeCustomSelect(\n  conn: PoolConnection,\n  operation: SqlClientOperation,\n  cache: QueryCache,\n  _config: CwcSqlConfig\n): Promise<unknown> {\n  const customTables = operation.custom?.customTables || [];\n\n  debugLog('executeCustomSelect', '', {\n    tableCount: customTables.length,\n    customTables,\n  });\n\n  // Check cache first (custom queries are also cacheable)\n  const cached = cache.get(operation);\n  if (cached !== undefined) {\n    debugLog('executeCustomSelect', 'cache hit', { customTables });\n    return cached;\n  }\n  debugLog('executeCustomSelect', 'cache miss', { customTables });\n\n  // Validate and get custom SQL\n  const { sql, params } = generateCustom(operation);\n\n  debugLog('executeCustomSelect', 'executing query', { customTables });\n\n  // Execute custom query\n  const rows = await conn.query(sql, params);\n  const rowCount = Array.isArray(rows) ? rows.length : 0;\n\n  // Cache the result\n  cache.set(operation, rows);\n  debugLog('executeCustomSelect', 'query complete', { customTables, rowCount });\n\n  return rows;\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/selectHandler.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    76→    throw error;
    77→  }
    78→}
    79→
    80→/**
    81→ * Executes a custom SELECT query
    82→ */
    83→async function executeCustomSelect(
    84→  conn: PoolConnection,
    85→  operation: SqlClientOperation,
    86→  cache: QueryCache,
    87→  _config: CwcSqlConfig
    88→): Promise<unknown> {
    89→  const customTables = operation.custom?.customTables || [];
    90→
    91→  debugLog('executeCustomSelect', '', {
    92→    tableCount: customTables.length,
    93→    customTables,
    94→  });
    95→
    96→  // Check cache first (custom queries are also cacheable)
    97→  const cached = cache.get(operation);
    98→  if (cached !== undefined) {
    99→    debugLog('executeCustomSelect', 'cache hit', { customTables });
   100→    return cached;
   101→  }
   102→  debugLog('executeCustomSelect', 'cache miss', { customTables });
   103→
   104→  // Validate and get custom SQL
   105→  const { sql, params } = generateCustom(operation);
   106→
   107→  debugLog('executeCustomSelect', 'executing query', { customTables });
   108→
   109→  // Execute custom query
   110→  const rows = await conn.query(sql, params);
   111→  const rowCount = Array.isArray(rows) ? rows.length : 0;
   112→
   113→  // Cache the result
   114→  cache.set(operation, rows);
   115→  debugLog('executeCustomSelect', 'query complete', { customTables, rowCount });
   116→
   117→  return rows;
   118→}
   119→

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  "todos": [
    {
      "content": "Add debugLog to cwc-sql selectHandler.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to selectHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql insertHandler.ts",
      "status": "in_progress",
      "activeForm": "Adding debugLog to insertHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql updateHandler.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to updateHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql deleteHandler.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to deleteHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql executeOperation.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to executeOperation.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateSelect.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to generateSelect.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateInsert.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to generateInsert.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateUpdate.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to generateUpdate.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateDelete.ts",
      "status": "pending",
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    },
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    },
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    },
    {
      "content": "Add debugLog to cwc-sql queryCache.ts",
      "status": "pending",
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    },
    {
      "content": "Add debugLog to cwc-content ContentHandler.ts gaps",
      "status": "pending",
      "activeForm": "Adding debugLog to ContentHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-content ContentCache.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to ContentCache.ts"
    },
    {
      "content": "Add debugLog to cwc-content createContext.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to createContext.ts"
    },
    {
      "content": "Add debugLog to cwc-content handleFileGet.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to handleFileGet.ts"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/insertHandler.ts"
}

     1→import type { PoolConnection } from 'mariadb';
     2→import type { SqlClientOperation, SqlClientMutationResult } from 'cwc-backend-utils';
     3→import { generateInsert } from '../sql';
     4→import type { QueryCache } from '../cache';
     5→import type { CwcSqlConfig } from '../config';
     6→
     7→/**
     8→ * Executes an INSERT operation
     9→ * Returns insertId and affectedRows
    10→ */
    11→export async function insertHandler(
    12→  conn: PoolConnection,
    13→  operation: SqlClientOperation,
    14→  cache: QueryCache,
    15→  config: CwcSqlConfig
    16→): Promise<SqlClientMutationResult> {
    17→  try {
    18→    // Generate SQL
    19→    const { sql, params } = generateInsert(operation);
    20→
    21→    if (config.debugMode) {
    22→      console.log(`[cwc-sql] INSERT: ${sql}`);
    23→      console.log(`[cwc-sql] Params:`, params);
    24→    }
    25→
    26→    // Execute insert
    27→    const result = await conn.query(sql, params);
    28→
    29→    // Invalidate cache for this table
    30→    if (operation.table) {
    31→      cache.invalidateTable(operation.table);
    32→    }
    33→
    34→    // Return mutation result
    35→    return {
    36→      insertId: Number(result.insertId),
    37→      affectedRows: Number(result.affectedRows),
    38→    };
    39→  } catch (error) {
    40→    if (config.debugMode) {
    41→      console.error('[cwc-sql] INSERT error:', error);
    42→    }
    43→    throw error;
    44→  }
    45→}
    46→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/insertHandler.ts",
  "old_string": "import type { PoolConnection } from 'mariadb';\nimport type { SqlClientOperation, SqlClientMutationResult } from 'cwc-backend-utils';\nimport { generateInsert } from '../sql';\nimport type { QueryCache } from '../cache';\nimport type { CwcSqlConfig } from '../config';\n\n/**\n * Executes an INSERT operation\n * Returns insertId and affectedRows\n */\nexport async function insertHandler(\n  conn: PoolConnection,\n  operation: SqlClientOperation,\n  cache: QueryCache,\n  config: CwcSqlConfig\n): Promise<SqlClientMutationResult> {\n  try {\n    // Generate SQL\n    const { sql, params } = generateInsert(operation);\n\n    if (config.debugMode) {\n      console.log(`[cwc-sql] INSERT: ${sql}`);\n      console.log(`[cwc-sql] Params:`, params);\n    }\n\n    // Execute insert\n    const result = await conn.query(sql, params);\n\n    // Invalidate cache for this table\n    if (operation.table) {\n      cache.invalidateTable(operation.table);\n    }\n\n    // Return mutation result\n    return {\n      insertId: Number(result.insertId),\n      affectedRows: Number(result.affectedRows),\n    };\n  } catch (error) {\n    if (config.debugMode) {\n      console.error('[cwc-sql] INSERT error:', error);\n    }\n    throw error;\n  }\n}",
  "new_string": "import type { PoolConnection } from 'mariadb';\nimport type { SqlClientOperation, SqlClientMutationResult } from 'cwc-backend-utils';\nimport { getErrorInfo } from 'cwc-backend-utils';\nimport { generateInsert } from '../sql';\nimport type { QueryCache } from '../cache';\nimport type { CwcSqlConfig } from '../config';\nimport { debugLog } from '../debugLog';\n\n/**\n * Executes an INSERT operation\n * Returns insertId and affectedRows\n */\nexport async function insertHandler(\n  conn: PoolConnection,\n  operation: SqlClientOperation,\n  cache: QueryCache,\n  _config: CwcSqlConfig\n): Promise<SqlClientMutationResult> {\n  const table = operation.table || 'unknown';\n  const valueCount = Object.keys(operation.values || {}).length;\n\n  debugLog('insertHandler', '', { table, valueCount });\n\n  try {\n    // Generate SQL\n    const { sql, params } = generateInsert(operation);\n\n    debugLog('insertHandler', 'executing insert', { table, valueCount });\n\n    // Execute insert\n    const result = await conn.query(sql, params);\n    const insertId = Number(result.insertId);\n    const affectedRows = Number(result.affectedRows);\n\n    // Invalidate cache for this table\n    if (operation.table) {\n      cache.invalidateTable(operation.table);\n      debugLog('insertHandler', 'invalidated cache', { table });\n    }\n\n    debugLog('insertHandler', 'insert complete', { table, insertId, affectedRows });\n\n    // Return mutation result\n    return {\n      insertId,\n      affectedRows,\n    };\n  } catch (error) {\n    debugLog('insertHandler', 'ERROR', { table, error: getErrorInfo(error) });\n    throw error;\n  }\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/insertHandler.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→import type { PoolConnection } from 'mariadb';
     2→import type { SqlClientOperation, SqlClientMutationResult } from 'cwc-backend-utils';
     3→import { getErrorInfo } from 'cwc-backend-utils';
     4→import { generateInsert } from '../sql';
     5→import type { QueryCache } from '../cache';
     6→import type { CwcSqlConfig } from '../config';
     7→import { debugLog } from '../debugLog';
     8→
     9→/**
    10→ * Executes an INSERT operation
    11→ * Returns insertId and affectedRows
    12→ */
    13→export async function insertHandler(
    14→  conn: PoolConnection,
    15→  operation: SqlClientOperation,
    16→  cache: QueryCache,
    17→  _config: CwcSqlConfig
    18→): Promise<SqlClientMutationResult> {
    19→  const table = operation.table || 'unknown';
    20→  const valueCount = Object.keys(operation.values || {}).length;
    21→
    22→  debugLog('insertHandler', '', { table, valueCount });
    23→
    24→  try {
    25→    // Generate SQL
    26→    const { sql, params } = generateInsert(operation);
    27→
    28→    debugLog('insertHandler', 'executing insert', { table, valueCount });
    29→
    30→    // Execute insert
    31→    const result = await conn.query(sql, params);
    32→    const insertId = Number(result.insertId);
    33→    const affectedRows = Number(result.affectedRows);
    34→
    35→    // Invalidate cache for this table
    36→    if (operation.table) {
    37→      cache.invalidateTable(operation.table);
    38→      debugLog('insertHandler', 'invalidated cache', { table });
    39→    }
    40→
    41→    debugLog('insertHandler', 'insert complete', { table, insertId, affectedRows });
    42→
    43→    // Return mutation result
    44→    return {
    45→      insertId,
    46→      affectedRows,
    47→    };
    48→  } catch (error) {
    49→    debugLog('insertHandler', 'ERROR', { table, error: getErrorInfo(error) });
    50→    throw error;
    51→  }
    52→}
    53→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/updateHandler.ts"
}

     1→import type { PoolConnection } from 'mariadb';
     2→import type { SqlClientOperation, SqlClientMutationResult } from 'cwc-backend-utils';
     3→import { generateUpdate } from '../sql';
     4→import type { QueryCache } from '../cache';
     5→import type { CwcSqlConfig } from '../config';
     6→
     7→/**
     8→ * Executes an UPDATE operation
     9→ * Returns affectedRows and changedRows
    10→ */
    11→export async function updateHandler(
    12→  conn: PoolConnection,
    13→  operation: SqlClientOperation,
    14→  cache: QueryCache,
    15→  config: CwcSqlConfig
    16→): Promise<SqlClientMutationResult> {
    17→  try {
    18→    // Generate SQL
    19→    const { sql, params } = generateUpdate(operation);
    20→
    21→    if (config.debugMode) {
    22→      console.log(`[cwc-sql] UPDATE: ${sql}`);
    23→      console.log(`[cwc-sql] Params:`, params);
    24→    }
    25→
    26→    // Execute update
    27→    const result = await conn.query(sql, params);
    28→
    29→    // Invalidate cache for this table
    30→    if (operation.table) {
    31→      cache.invalidateTable(operation.table);
    32→    }
    33→
    34→    // Return mutation result
    35→    return {
    36→      affectedRows: Number(result.affectedRows),
    37→      changedRows: Number(result.changedRows),
    38→    };
    39→  } catch (error) {
    40→    if (config.debugMode) {
    41→      console.error('[cwc-sql] UPDATE error:', error);
    42→    }
    43→    throw error;
    44→  }
    45→}
    46→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/deleteHandler.ts"
}

     1→import type { PoolConnection } from 'mariadb';
     2→import type { SqlClientOperation, SqlClientMutationResult } from 'cwc-backend-utils';
     3→import { generateDelete } from '../sql';
     4→import type { QueryCache } from '../cache';
     5→import type { CwcSqlConfig } from '../config';
     6→
     7→/**
     8→ * Executes a DELETE operation
     9→ * Returns affectedRows
    10→ */
    11→export async function deleteHandler(
    12→  conn: PoolConnection,
    13→  operation: SqlClientOperation,
    14→  cache: QueryCache,
    15→  config: CwcSqlConfig
    16→): Promise<SqlClientMutationResult> {
    17→  try {
    18→    // Generate SQL
    19→    const { sql, params } = generateDelete(operation);
    20→
    21→    if (config.debugMode) {
    22→      console.log(`[cwc-sql] DELETE: ${sql}`);
    23→      console.log(`[cwc-sql] Params:`, params);
    24→    }
    25→
    26→    // Execute delete
    27→    const result = await conn.query(sql, params);
    28→
    29→    // Invalidate cache for this table
    30→    if (operation.table) {
    31→      cache.invalidateTable(operation.table);
    32→    }
    33→
    34→    // Return mutation result
    35→    return {
    36→      affectedRows: Number(result.affectedRows),
    37→    };
    38→  } catch (error) {
    39→    if (config.debugMode) {
    40→      console.error('[cwc-sql] DELETE error:', error);
    41→    }
    42→    throw error;
    43→  }
    44→}
    45→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/executeOperation.ts"
}

     1→import type { PoolConnection } from 'mariadb';
     2→import type { SqlClientOperation } from 'cwc-backend-utils';
     3→import { selectHandler } from './selectHandler';
     4→import { insertHandler } from './insertHandler';
     5→import { updateHandler } from './updateHandler';
     6→import { deleteHandler } from './deleteHandler';
     7→import type { QueryCache } from '../cache';
     8→import type { CwcSqlConfig } from '../config';
     9→
    10→/**
    11→ * Executes a single operation and returns the result
    12→ * Routes to appropriate handler based on operation type
    13→ */
    14→export async function executeOperation(
    15→  conn: PoolConnection,
    16→  operation: SqlClientOperation,
    17→  cache: QueryCache,
    18→  config: CwcSqlConfig
    19→): Promise<unknown> {
    20→  switch (operation.operationType) {
    21→    case 'select':
    22→      return await selectHandler(conn, operation, cache, config);
    23→
    24→    case 'insert':
    25→      return await insertHandler(conn, operation, cache, config);
    26→
    27→    case 'update':
    28→      return await updateHandler(conn, operation, cache, config);
    29→
    30→    case 'delete':
    31→      return await deleteHandler(conn, operation, cache, config);
    32→
    33→    default:
    34→      throw new Error(`Unknown operation type: ${operation.operationType}`);
    35→  }
    36→}
    37→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/updateHandler.ts",
  "old_string": "import type { PoolConnection } from 'mariadb';\nimport type { SqlClientOperation, SqlClientMutationResult } from 'cwc-backend-utils';\nimport { generateUpdate } from '../sql';\nimport type { QueryCache } from '../cache';\nimport type { CwcSqlConfig } from '../config';\n\n/**\n * Executes an UPDATE operation\n * Returns affectedRows and changedRows\n */\nexport async function updateHandler(\n  conn: PoolConnection,\n  operation: SqlClientOperation,\n  cache: QueryCache,\n  config: CwcSqlConfig\n): Promise<SqlClientMutationResult> {\n  try {\n    // Generate SQL\n    const { sql, params } = generateUpdate(operation);\n\n    if (config.debugMode) {\n      console.log(`[cwc-sql] UPDATE: ${sql}`);\n      console.log(`[cwc-sql] Params:`, params);\n    }\n\n    // Execute update\n    const result = await conn.query(sql, params);\n\n    // Invalidate cache for this table\n    if (operation.table) {\n      cache.invalidateTable(operation.table);\n    }\n\n    // Return mutation result\n    return {\n      affectedRows: Number(result.affectedRows),\n      changedRows: Number(result.changedRows),\n    };\n  } catch (error) {\n    if (config.debugMode) {\n      console.error('[cwc-sql] UPDATE error:', error);\n    }\n    throw error;\n  }\n}",
  "new_string": "import type { PoolConnection } from 'mariadb';\nimport type { SqlClientOperation, SqlClientMutationResult } from 'cwc-backend-utils';\nimport { getErrorInfo } from 'cwc-backend-utils';\nimport { generateUpdate } from '../sql';\nimport type { QueryCache } from '../cache';\nimport type { CwcSqlConfig } from '../config';\nimport { debugLog } from '../debugLog';\n\n/**\n * Executes an UPDATE operation\n * Returns affectedRows and changedRows\n */\nexport async function updateHandler(\n  conn: PoolConnection,\n  operation: SqlClientOperation,\n  cache: QueryCache,\n  _config: CwcSqlConfig\n): Promise<SqlClientMutationResult> {\n  const table = operation.table || 'unknown';\n  const setCount = Object.keys(operation.values || {}).length;\n  const filterCount = Object.keys(operation.filters || {}).length;\n\n  debugLog('updateHandler', '', { table, setCount, filterCount });\n\n  try {\n    // Generate SQL\n    const { sql, params } = generateUpdate(operation);\n\n    debugLog('updateHandler', 'executing update', { table, setCount, filterCount });\n\n    // Execute update\n    const result = await conn.query(sql, params);\n    const affectedRows = Number(result.affectedRows);\n    const changedRows = Number(result.changedRows);\n\n    // Invalidate cache for this table\n    if (operation.table) {\n      cache.invalidateTable(operation.table);\n      debugLog('updateHandler', 'invalidated cache', { table });\n    }\n\n    debugLog('updateHandler', 'update complete', { table, affectedRows, changedRows });\n\n    // Return mutation result\n    return {\n      affectedRows,\n      changedRows,\n    };\n  } catch (error) {\n    debugLog('updateHandler', 'ERROR', { table, error: getErrorInfo(error) });\n    throw error;\n  }\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/updateHandler.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→import type { PoolConnection } from 'mariadb';
     2→import type { SqlClientOperation, SqlClientMutationResult } from 'cwc-backend-utils';
     3→import { getErrorInfo } from 'cwc-backend-utils';
     4→import { generateUpdate } from '../sql';
     5→import type { QueryCache } from '../cache';
     6→import type { CwcSqlConfig } from '../config';
     7→import { debugLog } from '../debugLog';
     8→
     9→/**
    10→ * Executes an UPDATE operation
    11→ * Returns affectedRows and changedRows
    12→ */
    13→export async function updateHandler(
    14→  conn: PoolConnection,
    15→  operation: SqlClientOperation,
    16→  cache: QueryCache,
    17→  _config: CwcSqlConfig
    18→): Promise<SqlClientMutationResult> {
    19→  const table = operation.table || 'unknown';
    20→  const setCount = Object.keys(operation.values || {}).length;
    21→  const filterCount = Object.keys(operation.filters || {}).length;
    22→
    23→  debugLog('updateHandler', '', { table, setCount, filterCount });
    24→
    25→  try {
    26→    // Generate SQL
    27→    const { sql, params } = generateUpdate(operation);
    28→
    29→    debugLog('updateHandler', 'executing update', { table, setCount, filterCount });
    30→
    31→    // Execute update
    32→    const result = await conn.query(sql, params);
    33→    const affectedRows = Number(result.affectedRows);
    34→    const changedRows = Number(result.changedRows);
    35→
    36→    // Invalidate cache for this table
    37→    if (operation.table) {
    38→      cache.invalidateTable(operation.table);
    39→      debugLog('updateHandler', 'invalidated cache', { table });
    40→    }
    41→
    42→    debugLog('updateHandler', 'update complete', { table, affectedRows, changedRows });
    43→
    44→    // Return mutation result
    45→    return {
    46→      affectedRows,
    47→      changedRows,
    48→    };
    49→  } catch (error) {
    50→    debugLog('updateHandler', 'ERROR', { table, error: getErrorInfo(error) });
    51→    throw error;
    52→  }
    53→}
    54→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/deleteHandler.ts",
  "old_string": "import type { PoolConnection } from 'mariadb';\nimport type { SqlClientOperation, SqlClientMutationResult } from 'cwc-backend-utils';\nimport { generateDelete } from '../sql';\nimport type { QueryCache } from '../cache';\nimport type { CwcSqlConfig } from '../config';\n\n/**\n * Executes a DELETE operation\n * Returns affectedRows\n */\nexport async function deleteHandler(\n  conn: PoolConnection,\n  operation: SqlClientOperation,\n  cache: QueryCache,\n  config: CwcSqlConfig\n): Promise<SqlClientMutationResult> {\n  try {\n    // Generate SQL\n    const { sql, params } = generateDelete(operation);\n\n    if (config.debugMode) {\n      console.log(`[cwc-sql] DELETE: ${sql}`);\n      console.log(`[cwc-sql] Params:`, params);\n    }\n\n    // Execute delete\n    const result = await conn.query(sql, params);\n\n    // Invalidate cache for this table\n    if (operation.table) {\n      cache.invalidateTable(operation.table);\n    }\n\n    // Return mutation result\n    return {\n      affectedRows: Number(result.affectedRows),\n    };\n  } catch (error) {\n    if (config.debugMode) {\n      console.error('[cwc-sql] DELETE error:', error);\n    }\n    throw error;\n  }\n}",
  "new_string": "import type { PoolConnection } from 'mariadb';\nimport type { SqlClientOperation, SqlClientMutationResult } from 'cwc-backend-utils';\nimport { getErrorInfo } from 'cwc-backend-utils';\nimport { generateDelete } from '../sql';\nimport type { QueryCache } from '../cache';\nimport type { CwcSqlConfig } from '../config';\nimport { debugLog } from '../debugLog';\n\n/**\n * Executes a DELETE operation\n * Returns affectedRows\n */\nexport async function deleteHandler(\n  conn: PoolConnection,\n  operation: SqlClientOperation,\n  cache: QueryCache,\n  _config: CwcSqlConfig\n): Promise<SqlClientMutationResult> {\n  const table = operation.table || 'unknown';\n  const filterCount = Object.keys(operation.filters || {}).length;\n\n  debugLog('deleteHandler', '', { table, filterCount });\n\n  try {\n    // Generate SQL\n    const { sql, params } = generateDelete(operation);\n\n    debugLog('deleteHandler', 'executing delete', { table, filterCount });\n\n    // Execute delete\n    const result = await conn.query(sql, params);\n    const affectedRows = Number(result.affectedRows);\n\n    // Invalidate cache for this table\n    if (operation.table) {\n      cache.invalidateTable(operation.table);\n      debugLog('deleteHandler', 'invalidated cache', { table });\n    }\n\n    debugLog('deleteHandler', 'delete complete', { table, affectedRows });\n\n    // Return mutation result\n    return {\n      affectedRows,\n    };\n  } catch (error) {\n    debugLog('deleteHandler', 'ERROR', { table, error: getErrorInfo(error) });\n    throw error;\n  }\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/deleteHandler.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→import type { PoolConnection } from 'mariadb';
     2→import type { SqlClientOperation, SqlClientMutationResult } from 'cwc-backend-utils';
     3→import { getErrorInfo } from 'cwc-backend-utils';
     4→import { generateDelete } from '../sql';
     5→import type { QueryCache } from '../cache';
     6→import type { CwcSqlConfig } from '../config';
     7→import { debugLog } from '../debugLog';
     8→
     9→/**
    10→ * Executes a DELETE operation
    11→ * Returns affectedRows
    12→ */
    13→export async function deleteHandler(
    14→  conn: PoolConnection,
    15→  operation: SqlClientOperation,
    16→  cache: QueryCache,
    17→  _config: CwcSqlConfig
    18→): Promise<SqlClientMutationResult> {
    19→  const table = operation.table || 'unknown';
    20→  const filterCount = Object.keys(operation.filters || {}).length;
    21→
    22→  debugLog('deleteHandler', '', { table, filterCount });
    23→
    24→  try {
    25→    // Generate SQL
    26→    const { sql, params } = generateDelete(operation);
    27→
    28→    debugLog('deleteHandler', 'executing delete', { table, filterCount });
    29→
    30→    // Execute delete
    31→    const result = await conn.query(sql, params);
    32→    const affectedRows = Number(result.affectedRows);
    33→
    34→    // Invalidate cache for this table
    35→    if (operation.table) {
    36→      cache.invalidateTable(operation.table);
    37→      debugLog('deleteHandler', 'invalidated cache', { table });
    38→    }
    39→
    40→    debugLog('deleteHandler', 'delete complete', { table, affectedRows });
    41→
    42→    // Return mutation result
    43→    return {
    44→      affectedRows,
    45→    };
    46→  } catch (error) {
    47→    debugLog('deleteHandler', 'ERROR', { table, error: getErrorInfo(error) });
    48→    throw error;
    49→  }
    50→}
    51→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/executeOperation.ts",
  "old_string": "import type { PoolConnection } from 'mariadb';\nimport type { SqlClientOperation } from 'cwc-backend-utils';\nimport { selectHandler } from './selectHandler';\nimport { insertHandler } from './insertHandler';\nimport { updateHandler } from './updateHandler';\nimport { deleteHandler } from './deleteHandler';\nimport type { QueryCache } from '../cache';\nimport type { CwcSqlConfig } from '../config';\n\n/**\n * Executes a single operation and returns the result\n * Routes to appropriate handler based on operation type\n */\nexport async function executeOperation(\n  conn: PoolConnection,\n  operation: SqlClientOperation,\n  cache: QueryCache,\n  config: CwcSqlConfig\n): Promise<unknown> {\n  switch (operation.operationType) {\n    case 'select':\n      return await selectHandler(conn, operation, cache, config);\n\n    case 'insert':\n      return await insertHandler(conn, operation, cache, config);\n\n    case 'update':\n      return await updateHandler(conn, operation, cache, config);\n\n    case 'delete':\n      return await deleteHandler(conn, operation, cache, config);\n\n    default:\n      throw new Error(`Unknown operation type: ${operation.operationType}`);\n  }\n}",
  "new_string": "import type { PoolConnection } from 'mariadb';\nimport type { SqlClientOperation } from 'cwc-backend-utils';\nimport { selectHandler } from './selectHandler';\nimport { insertHandler } from './insertHandler';\nimport { updateHandler } from './updateHandler';\nimport { deleteHandler } from './deleteHandler';\nimport type { QueryCache } from '../cache';\nimport type { CwcSqlConfig } from '../config';\nimport { debugLog } from '../debugLog';\n\n/**\n * Executes a single operation and returns the result\n * Routes to appropriate handler based on operation type\n */\nexport async function executeOperation(\n  conn: PoolConnection,\n  operation: SqlClientOperation,\n  cache: QueryCache,\n  config: CwcSqlConfig\n): Promise<unknown> {\n  const operationType = operation.operationType;\n  const table = operation.table || 'custom';\n\n  debugLog('executeOperation', '', { operationType, table });\n\n  switch (operationType) {\n    case 'select':\n      debugLog('executeOperation', 'routing to selectHandler', { table });\n      return await selectHandler(conn, operation, cache, config);\n\n    case 'insert':\n      debugLog('executeOperation', 'routing to insertHandler', { table });\n      return await insertHandler(conn, operation, cache, config);\n\n    case 'update':\n      debugLog('executeOperation', 'routing to updateHandler', { table });\n      return await updateHandler(conn, operation, cache, config);\n\n    case 'delete':\n      debugLog('executeOperation', 'routing to deleteHandler', { table });\n      return await deleteHandler(conn, operation, cache, config);\n\n    default:\n      debugLog('executeOperation', 'unknown operation type', { operationType, table });\n      throw new Error(`Unknown operation type: ${operationType}`);\n  }\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/executeOperation.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→import type { PoolConnection } from 'mariadb';
     2→import type { SqlClientOperation } from 'cwc-backend-utils';
     3→import { selectHandler } from './selectHandler';
     4→import { insertHandler } from './insertHandler';
     5→import { updateHandler } from './updateHandler';
     6→import { deleteHandler } from './deleteHandler';
     7→import type { QueryCache } from '../cache';
     8→import type { CwcSqlConfig } from '../config';
     9→import { debugLog } from '../debugLog';
    10→
    11→/**
    12→ * Executes a single operation and returns the result
    13→ * Routes to appropriate handler based on operation type
    14→ */
    15→export async function executeOperation(
    16→  conn: PoolConnection,
    17→  operation: SqlClientOperation,
    18→  cache: QueryCache,
    19→  config: CwcSqlConfig
    20→): Promise<unknown> {
    21→  const operationType = operation.operationType;
    22→  const table = operation.table || 'custom';
    23→
    24→  debugLog('executeOperation', '', { operationType, table });
    25→
    26→  switch (operationType) {
    27→    case 'select':
    28→      debugLog('executeOperation', 'routing to selectHandler', { table });
    29→      return await selectHandler(conn, operation, cache, config);
    30→
    31→    case 'insert':
    32→      debugLog('executeOperation', 'routing to insertHandler', { table });
    33→      return await insertHandler(conn, operation, cache, config);
    34→
    35→    case 'update':
    36→      debugLog('executeOperation', 'routing to updateHandler', { table });
    37→      return await updateHandler(conn, operation, cache, config);
    38→
    39→    case 'delete':
    40→      debugLog('executeOperation', 'routing to deleteHandler', { table });
    41→      return await deleteHandler(conn, operation, cache, config);
    42→
    43→    default:
    44→      debugLog('executeOperation', 'unknown operation type', { operationType, table });
    45→      throw new Error(`Unknown operation type: ${operationType}`);
    46→  }
    47→}
    48→

{
  "todos": [
    {
      "content": "Add debugLog to cwc-sql selectHandler.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to selectHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql insertHandler.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to insertHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql updateHandler.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to updateHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql deleteHandler.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to deleteHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql executeOperation.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to executeOperation.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateSelect.ts",
      "status": "in_progress",
      "activeForm": "Adding debugLog to generateSelect.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateInsert.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to generateInsert.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateUpdate.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to generateUpdate.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateDelete.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to generateDelete.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateCustom.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to generateCustom.ts"
    },
    {
      "content": "Add debugLog to cwc-sql validation.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to validation.ts"
    },
    {
      "content": "Add debugLog to cwc-sql queryCache.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to queryCache.ts"
    },
    {
      "content": "Add debugLog to cwc-content ContentHandler.ts gaps",
      "status": "pending",
      "activeForm": "Adding debugLog to ContentHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-content ContentCache.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to ContentCache.ts"
    },
    {
      "content": "Add debugLog to cwc-content createContext.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to createContext.ts"
    },
    {
      "content": "Add debugLog to cwc-content handleFileGet.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to handleFileGet.ts"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateSelect.ts"
}

     1→import type { SqlClientOperation } from 'cwc-backend-utils';
     2→import { validateTable, validateColumns } from './validation';
     3→
     4→/**
     5→ * SQL generation result for SELECT queries
     6→ */
     7→export type SelectSqlResult = {
     8→  sql: string;
     9→  params: Record<string, unknown>;
    10→  includeCount: boolean;
    11→  countSql?: string | undefined;
    12→};
    13→
    14→/**
    15→ * Generates a SELECT SQL statement from an operation
    16→ * Returns SQL, parameters, and optional count query
    17→ */
    18→export function generateSelect(operation: SqlClientOperation): SelectSqlResult {
    19→  // Validate table
    20→  const schema = validateTable(operation.table);
    21→
    22→  // Build SELECT clause
    23→  let selectClause: string;
    24→  if (operation.fields && operation.fields.length > 0) {
    25→    // Validate all field names
    26→    validateColumns(schema, operation.fields);
    27→
    28→    // Use specified fields
    29→    selectClause = operation.fields.map((field) => `\`${field}\``).join(', ');
    30→  } else {
    31→    // Select all fields
    32→    selectClause = '*';
    33→  }
    34→
    35→  // Build FROM clause
    36→  const fromClause = `\`${schema.name}\``;
    37→
    38→  // Build WHERE clause
    39→  const params: Record<string, unknown> = {};
    40→  let whereClause = '';
    41→
    42→  if (operation.filters && Object.keys(operation.filters).length > 0) {
    43→    // Validate all filter column names
    44→    validateColumns(schema, Object.keys(operation.filters));
    45→
    46→    const conditions: string[] = [];
    47→
    48→    for (const [key, value] of Object.entries(operation.filters)) {
    49→      // Handle array values (IN clause)
    50→      if (Array.isArray(value)) {
    51→        if (value.length === 0) {
    52→          // Empty array means no matches
    53→          conditions.push('1 = 0');
    54→        } else {
    55→          // Use IN clause with array
    56→          const paramName = `${key}_in`;
    57→          conditions.push(`\`${key}\` IN (:${paramName})`);
    58→          params[paramName] = value;
    59→        }
    60→      } else {
    61→        // Regular equality check
    62→        conditions.push(`\`${key}\` = :${key}`);
    63→        params[key] = value;
    64→      }
    65→    }
    66→
    67→    whereClause = ` WHERE ${conditions.join(' AND ')}`;
    68→  }
    69→
    70→  // Build ORDER BY clause
    71→  let orderByClause = '';
    72→  if (operation.sort && operation.sort.length > 0) {
    73→    // Validate sort field names
    74→    const sortFields = operation.sort.map((s) => s.fieldName);
    75→    validateColumns(schema, sortFields);
    76→
    77→    const sortParts = operation.sort.map((sort) => {
    78→      const direction = sort.direction?.toUpperCase() === 'DESC' ? 'DESC' : 'ASC';
    79→      return `\`${sort.fieldName}\` ${direction}`;
    80→    });
    81→
    82→    orderByClause = ` ORDER BY ${sortParts.join(', ')}`;
    83→  } else if (schema.pkid) {
    84→    // Default sort by primary key ascending
    85→    orderByClause = ` ORDER BY \`${schema.pkid}\` ASC`;
    86→  }
    87→
    88→  // Build LIMIT/OFFSET clause
    89→  let limitClause = '';
    90→  if (operation.limit) {
    91→    const recordCount = operation.limit.recordCount;
    92→    const startIndex = operation.limit.startIndex || 0;
    93→
    94→    if (recordCount <= 0) {
    95→      throw new Error('LIMIT recordCount must be greater than 0');
    96→    }
    97→
    98→    if (startIndex < 0) {
    99→      throw new Error('LIMIT startIndex must be >= 0');
   100→    }
   101→
   102→    limitClause = ` LIMIT :limitCount OFFSET :limitOffset`;
   103→    params['limitCount'] = recordCount;
   104→    params['limitOffset'] = startIndex;
   105→  }
   106→
   107→  // Build final SELECT query
   108→  const sql = `SELECT ${selectClause} FROM ${fromClause}${whereClause}${orderByClause}${limitClause}`;
   109→
   110→  // Build COUNT query if requested (count AFTER filters applied)
   111→  let countSql: string | undefined;
   112→  const includeCount = operation.filterCount === true;
   113→
   114→  if (includeCount) {
   115→    // Count query uses WHERE clause but not ORDER BY or LIMIT
   116→    countSql = `SELECT COUNT(*) as count FROM ${fromClause}${whereClause}`;
   117→  }
   118→
   119→  return {
   120→    sql,
   121→    params,
   122→    includeCount,
   123→    countSql,
   124→  };
   125→}
   126→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateInsert.ts"
}

     1→import type { SqlClientOperation } from 'cwc-backend-utils';
     2→import { validateTable, validateObjectKeys } from './validation';
     3→import { filterSystemColumns } from './filterSystemColumns';
     4→import { formatValuesForMariaDB } from './formatValues';
     5→import { validateValues } from './validateValues';
     6→
     7→/**
     8→ * SQL generation result for INSERT queries
     9→ */
    10→export type InsertSqlResult = {
    11→  sql: string;
    12→  params: Record<string, unknown>;
    13→};
    14→
    15→/**
    16→ * Generates an INSERT SQL statement from an operation
    17→ * Returns SQL and parameters
    18→ */
    19→export function generateInsert(operation: SqlClientOperation): InsertSqlResult {
    20→  // Validate table
    21→  const schema = validateTable(operation.table);
    22→
    23→  // Validate values are provided
    24→  if (!operation.values) {
    25→    throw new Error('INSERT operation requires values');
    26→  }
    27→
    28→  // Filter out undefined values (SqlClient should already do this, but double-check)
    29→  let values: Record<string, unknown> = {};
    30→  for (const [key, value] of Object.entries(operation.values)) {
    31→    if (value !== undefined) {
    32→      values[key] = value;
    33→    }
    34→  }
    35→
    36→  // Remove system-generated columns (PkId, timestamps)
    37→  const { filtered, removed: _removed } = filterSystemColumns(schema, values, 'INSERT');
    38→  values = filtered;
    39→
    40→  // Log removed columns in debug mode (if config available)
    41→  // Note: config not available in this function, would need to pass it if debug logging needed
    42→
    43→  // Validate all column names exist in schema
    44→  validateObjectKeys(schema, values, 'INSERT values');
    45→
    46→  // Validate values against schema constraints (min/max length/value, enums, regex, required)
    47→  validateValues(schema, values, 'INSERT');
    48→
    49→  // Add system timestamps
    50→  values['createdDate'] = 'NOW()'; // Special marker for SQL generation
    51→  values['modifiedDate'] = 'NOW()'; // Special marker for SQL generation
    52→
    53→  // Format dates for MariaDB
    54→  values = formatValuesForMariaDB(values);
    55→
    56→  // Build column list and value placeholders
    57→  const columns = Object.keys(values);
    58→  const columnList = columns.map((col) => `\`${col}\``).join(', ');
    59→  const valuePlaceholders = columns
    60→    .map((col) => {
    61→      // Use NOW() function for timestamp columns, not placeholder
    62→      if (values[col] === 'NOW()') {
    63→        return 'NOW()';
    64→      }
    65→      return `:${col}`;
    66→    })
    67→    .join(', ');
    68→
    69→  // Build params object (exclude NOW() markers)
    70→  const params: Record<string, unknown> = {};
    71→  for (const [key, value] of Object.entries(values)) {
    72→    if (value !== 'NOW()') {
    73→      params[key] = value;
    74→    }
    75→  }
    76→
    77→  // Build INSERT statement
    78→  const sql = `INSERT INTO \`${schema.name}\` (${columnList}) VALUES (${valuePlaceholders})`;
    79→
    80→  return {
    81→    sql,
    82→    params,
    83→  };
    84→}
    85→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateUpdate.ts"
}

     1→import type { SqlClientOperation } from 'cwc-backend-utils';
     2→import { validateTable, validateObjectKeys, requireFilters } from './validation';
     3→import { filterSystemColumns } from './filterSystemColumns';
     4→import { formatValuesForMariaDB } from './formatValues';
     5→import { validateValues } from './validateValues';
     6→
     7→/**
     8→ * SQL generation result for UPDATE queries
     9→ */
    10→export type UpdateSqlResult = {
    11→  sql: string;
    12→  params: Record<string, unknown>;
    13→};
    14→
    15→/**
    16→ * Generates an UPDATE SQL statement from an operation
    17→ * Returns SQL and parameters
    18→ */
    19→export function generateUpdate(operation: SqlClientOperation): UpdateSqlResult {
    20→  // Validate table
    21→  const schema = validateTable(operation.table);
    22→
    23→  // Validate values are provided
    24→  if (!operation.values) {
    25→    throw new Error('UPDATE operation requires values');
    26→  }
    27→
    28→  // Filter out undefined values
    29→  let values: Record<string, unknown> = {};
    30→  for (const [key, value] of Object.entries(operation.values)) {
    31→    if (value !== undefined) {
    32→      values[key] = value;
    33→    }
    34→  }
    35→
    36→  // Remove system-generated columns (PkId, timestamps)
    37→  const { filtered, removed: _removed } = filterSystemColumns(schema, values, 'UPDATE');
    38→  values = filtered;
    39→
    40→  // Log removed columns in debug mode (if config available)
    41→  // Note: config not available in this function, would need to pass it if debug logging needed
    42→
    43→  // Validate all SET column names exist in schema
    44→  validateObjectKeys(schema, values, 'UPDATE values');
    45→
    46→  // Validate values against schema constraints (min/max length/value, enums, regex)
    47→  validateValues(schema, values, 'UPDATE');
    48→
    49→  // Require filters for UPDATE (prevent accidental full-table update)
    50→  requireFilters(operation.filters);
    51→
    52→  // Validate all WHERE column names exist in schema
    53→  validateObjectKeys(schema, operation.filters!, 'UPDATE filters');
    54→
    55→  // Add modifiedDate timestamp
    56→  values['modifiedDate'] = 'NOW()'; // Special marker for SQL generation
    57→
    58→  // Format dates for MariaDB
    59→  values = formatValuesForMariaDB(values);
    60→
    61→  // Build SET clause
    62→  const setColumns = Object.keys(values);
    63→  const setParts = setColumns.map((col) => {
    64→    // Use NOW() function for timestamp columns, not placeholder
    65→    if (values[col] === 'NOW()') {
    66→      return `\`${col}\` = NOW()`;
    67→    }
    68→    return `\`${col}\` = :set_${col}`;
    69→  });
    70→  const setClause = setParts.join(', ');
    71→
    72→  // Build WHERE clause
    73→  const whereParts: string[] = [];
    74→  const params: Record<string, unknown> = {};
    75→
    76→  // Add SET values to params with prefix (exclude NOW() markers)
    77→  for (const [key, value] of Object.entries(values)) {
    78→    if (value !== 'NOW()') {
    79→      params[`set_${key}`] = value;
    80→    }
    81→  }
    82→
    83→  // Add WHERE conditions
    84→  for (const [key, value] of Object.entries(operation.filters!)) {
    85→    // Handle array values (IN clause)
    86→    if (Array.isArray(value)) {
    87→      if (value.length === 0) {
    88→        // Empty array means no matches
    89→        whereParts.push('1 = 0');
    90→      } else {
    91→        const paramName = `where_${key}_in`;
    92→        whereParts.push(`\`${key}\` IN (:${paramName})`);
    93→        params[paramName] = value;
    94→      }
    95→    } else {
    96→      // Regular equality check
    97→      whereParts.push(`\`${key}\` = :where_${key}`);
    98→      params[`where_${key}`] = value;
    99→    }
   100→  }
   101→
   102→  const whereClause = whereParts.join(' AND ');
   103→
   104→  // Build UPDATE statement
   105→  const sql = `UPDATE \`${schema.name}\` SET ${setClause} WHERE ${whereClause}`;
   106→
   107→  return {
   108→    sql,
   109→    params,
   110→  };
   111→}
   112→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateDelete.ts"
}

     1→import type { SqlClientOperation } from 'cwc-backend-utils';
     2→import { validateTable, validateObjectKeys, requireFilters } from './validation';
     3→
     4→/**
     5→ * SQL generation result for DELETE queries
     6→ */
     7→export type DeleteSqlResult = {
     8→  sql: string;
     9→  params: Record<string, unknown>;
    10→};
    11→
    12→/**
    13→ * Generates a DELETE SQL statement from an operation
    14→ * Returns SQL and parameters
    15→ */
    16→export function generateDelete(operation: SqlClientOperation): DeleteSqlResult {
    17→  // Validate table
    18→  const schema = validateTable(operation.table);
    19→
    20→  // Require filters for DELETE (prevent accidental full-table delete)
    21→  requireFilters(operation.filters);
    22→
    23→  // Validate all WHERE column names exist in schema
    24→  validateObjectKeys(schema, operation.filters!, 'DELETE filters');
    25→
    26→  // Build WHERE clause
    27→  const whereParts: string[] = [];
    28→  const params: Record<string, unknown> = {};
    29→
    30→  for (const [key, value] of Object.entries(operation.filters!)) {
    31→    // Handle array values (IN clause)
    32→    if (Array.isArray(value)) {
    33→      if (value.length === 0) {
    34→        // Empty array means no matches
    35→        whereParts.push('1 = 0');
    36→      } else {
    37→        const paramName = `${key}_in`;
    38→        whereParts.push(`\`${key}\` IN (:${paramName})`);
    39→        params[paramName] = value;
    40→      }
    41→    } else {
    42→      // Regular equality check
    43→      whereParts.push(`\`${key}\` = :${key}`);
    44→      params[key] = value;
    45→    }
    46→  }
    47→
    48→  const whereClause = whereParts.join(' AND ');
    49→
    50→  // Build DELETE statement
    51→  const sql = `DELETE FROM \`${schema.name}\` WHERE ${whereClause}`;
    52→
    53→  return {
    54→    sql,
    55→    params,
    56→  };
    57→}
    58→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateSelect.ts",
  "old_string": "import type { SqlClientOperation } from 'cwc-backend-utils';\nimport { validateTable, validateColumns } from './validation';\n\n/**\n * SQL generation result for SELECT queries\n */\nexport type SelectSqlResult = {\n  sql: string;\n  params: Record<string, unknown>;\n  includeCount: boolean;\n  countSql?: string | undefined;\n};\n\n/**\n * Generates a SELECT SQL statement from an operation\n * Returns SQL, parameters, and optional count query\n */\nexport function generateSelect(operation: SqlClientOperation): SelectSqlResult {\n  // Validate table\n  const schema = validateTable(operation.table);",
  "new_string": "import type { SqlClientOperation } from 'cwc-backend-utils';\nimport { validateTable, validateColumns } from './validation';\nimport { debugLog } from '../debugLog';\n\n/**\n * SQL generation result for SELECT queries\n */\nexport type SelectSqlResult = {\n  sql: string;\n  params: Record<string, unknown>;\n  includeCount: boolean;\n  countSql?: string | undefined;\n};\n\n/**\n * Generates a SELECT SQL statement from an operation\n * Returns SQL, parameters, and optional count query\n */\nexport function generateSelect(operation: SqlClientOperation): SelectSqlResult {\n  const table = operation.table || 'unknown';\n  const fieldCount = operation.fields?.length || 0;\n  const filterCount = Object.keys(operation.filters || {}).length;\n  const hasSort = !!operation.sort && operation.sort.length > 0;\n  const hasLimit = !!operation.limit;\n\n  debugLog('generateSelect', '', {\n    table,\n    fieldCount,\n    filterCount,\n    hasSort,\n    hasLimit,\n    includeCount: operation.filterCount === true,\n  });\n\n  // Validate table\n  const schema = validateTable(operation.table);\n  debugLog('generateSelect', 'validated table', { table: schema.name });"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateSelect.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→import type { SqlClientOperation } from 'cwc-backend-utils';
     2→import { validateTable, validateColumns } from './validation';
     3→import { debugLog } from '../debugLog';
     4→
     5→/**
     6→ * SQL generation result for SELECT queries
     7→ */
     8→export type SelectSqlResult = {
     9→  sql: string;
    10→  params: Record<string, unknown>;
    11→  includeCount: boolean;
    12→  countSql?: string | undefined;
    13→};
    14→
    15→/**
    16→ * Generates a SELECT SQL statement from an operation
    17→ * Returns SQL, parameters, and optional count query
    18→ */
    19→export function generateSelect(operation: SqlClientOperation): SelectSqlResult {
    20→  const table = operation.table || 'unknown';
    21→  const fieldCount = operation.fields?.length || 0;
    22→  const filterCount = Object.keys(operation.filters || {}).length;
    23→  const hasSort = !!operation.sort && operation.sort.length > 0;
    24→  const hasLimit = !!operation.limit;
    25→
    26→  debugLog('generateSelect', '', {
    27→    table,
    28→    fieldCount,
    29→    filterCount,
    30→    hasSort,
    31→    hasLimit,
    32→    includeCount: operation.filterCount === true,
    33→  });
    34→
    35→  // Validate table
    36→  const schema = validateTable(operation.table);
    37→  debugLog('generateSelect', 'validated table', { table: schema.name });
    38→
    39→  // Build SELECT clause
    40→  let selectClause: string;
    41→  if (operation.fields && operation.fields.length > 0) {

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateSelect.ts",
  "old_string": "  return {\n    sql,\n    params,\n    includeCount,\n    countSql,\n  };\n}",
  "new_string": "  debugLog('generateSelect', 'generated SQL', {\n    table: schema.name,\n    paramCount: Object.keys(params).length,\n    includeCount,\n  });\n\n  return {\n    sql,\n    params,\n    includeCount,\n    countSql,\n  };\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateSelect.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   132→    // Count query uses WHERE clause but not ORDER BY or LIMIT
   133→    countSql = `SELECT COUNT(*) as count FROM ${fromClause}${whereClause}`;
   134→  }
   135→
   136→  debugLog('generateSelect', 'generated SQL', {
   137→    table: schema.name,
   138→    paramCount: Object.keys(params).length,
   139→    includeCount,
   140→  });
   141→
   142→  return {
   143→    sql,
   144→    params,
   145→    includeCount,
   146→    countSql,
   147→  };
   148→}
   149→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateInsert.ts",
  "old_string": "import type { SqlClientOperation } from 'cwc-backend-utils';\nimport { validateTable, validateObjectKeys } from './validation';\nimport { filterSystemColumns } from './filterSystemColumns';\nimport { formatValuesForMariaDB } from './formatValues';\nimport { validateValues } from './validateValues';\n\n/**\n * SQL generation result for INSERT queries\n */\nexport type InsertSqlResult = {\n  sql: string;\n  params: Record<string, unknown>;\n};\n\n/**\n * Generates an INSERT SQL statement from an operation\n * Returns SQL and parameters\n */\nexport function generateInsert(operation: SqlClientOperation): InsertSqlResult {\n  // Validate table\n  const schema = validateTable(operation.table);",
  "new_string": "import type { SqlClientOperation } from 'cwc-backend-utils';\nimport { validateTable, validateObjectKeys } from './validation';\nimport { filterSystemColumns } from './filterSystemColumns';\nimport { formatValuesForMariaDB } from './formatValues';\nimport { validateValues } from './validateValues';\nimport { debugLog } from '../debugLog';\n\n/**\n * SQL generation result for INSERT queries\n */\nexport type InsertSqlResult = {\n  sql: string;\n  params: Record<string, unknown>;\n};\n\n/**\n * Generates an INSERT SQL statement from an operation\n * Returns SQL and parameters\n */\nexport function generateInsert(operation: SqlClientOperation): InsertSqlResult {\n  const table = operation.table || 'unknown';\n  const valueCount = Object.keys(operation.values || {}).length;\n\n  debugLog('generateInsert', '', { table, valueCount });\n\n  // Validate table\n  const schema = validateTable(operation.table);\n  debugLog('generateInsert', 'validated table', { table: schema.name });"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateInsert.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→import type { SqlClientOperation } from 'cwc-backend-utils';
     2→import { validateTable, validateObjectKeys } from './validation';
     3→import { filterSystemColumns } from './filterSystemColumns';
     4→import { formatValuesForMariaDB } from './formatValues';
     5→import { validateValues } from './validateValues';
     6→import { debugLog } from '../debugLog';
     7→
     8→/**
     9→ * SQL generation result for INSERT queries
    10→ */
    11→export type InsertSqlResult = {
    12→  sql: string;
    13→  params: Record<string, unknown>;
    14→};
    15→
    16→/**
    17→ * Generates an INSERT SQL statement from an operation
    18→ * Returns SQL and parameters
    19→ */
    20→export function generateInsert(operation: SqlClientOperation): InsertSqlResult {
    21→  const table = operation.table || 'unknown';
    22→  const valueCount = Object.keys(operation.values || {}).length;
    23→
    24→  debugLog('generateInsert', '', { table, valueCount });
    25→
    26→  // Validate table
    27→  const schema = validateTable(operation.table);
    28→  debugLog('generateInsert', 'validated table', { table: schema.name });
    29→
    30→  // Validate values are provided
    31→  if (!operation.values) {
    32→    throw new Error('INSERT operation requires values');

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateInsert.ts",
  "old_string": "  // Add system timestamps\n  values['createdDate'] = 'NOW()'; // Special marker for SQL generation\n  values['modifiedDate'] = 'NOW()'; // Special marker for SQL generation\n\n  // Format dates for MariaDB\n  values = formatValuesForMariaDB(values);",
  "new_string": "  // Add system timestamps\n  values['createdDate'] = 'NOW()'; // Special marker for SQL generation\n  values['modifiedDate'] = 'NOW()'; // Special marker for SQL generation\n\n  debugLog('generateInsert', 'added timestamps', { table: schema.name });\n\n  // Format dates for MariaDB\n  values = formatValuesForMariaDB(values);"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateInsert.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    52→
    53→  // Validate values against schema constraints (min/max length/value, enums, regex, required)
    54→  validateValues(schema, values, 'INSERT');
    55→
    56→  // Add system timestamps
    57→  values['createdDate'] = 'NOW()'; // Special marker for SQL generation
    58→  values['modifiedDate'] = 'NOW()'; // Special marker for SQL generation
    59→
    60→  debugLog('generateInsert', 'added timestamps', { table: schema.name });
    61→
    62→  // Format dates for MariaDB
    63→  values = formatValuesForMariaDB(values);
    64→
    65→  // Build column list and value placeholders
    66→  const columns = Object.keys(values);
    67→  const columnList = columns.map((col) => `\`${col}\``).join(', ');

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateInsert.ts",
  "old_string": "  // Build INSERT statement\n  const sql = `INSERT INTO \\`${schema.name}\\` (${columnList}) VALUES (${valuePlaceholders})`;\n\n  return {\n    sql,\n    params,\n  };\n}",
  "new_string": "  // Build INSERT statement\n  const sql = `INSERT INTO \\`${schema.name}\\` (${columnList}) VALUES (${valuePlaceholders})`;\n\n  debugLog('generateInsert', 'generated SQL', {\n    table: schema.name,\n    columnCount: columns.length,\n    paramCount: Object.keys(params).length,\n  });\n\n  return {\n    sql,\n    params,\n  };\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateInsert.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    82→      params[key] = value;
    83→    }
    84→  }
    85→
    86→  // Build INSERT statement
    87→  const sql = `INSERT INTO \`${schema.name}\` (${columnList}) VALUES (${valuePlaceholders})`;
    88→
    89→  debugLog('generateInsert', 'generated SQL', {
    90→    table: schema.name,
    91→    columnCount: columns.length,
    92→    paramCount: Object.keys(params).length,
    93→  });
    94→
    95→  return {
    96→    sql,
    97→    params,
    98→  };
    99→}
   100→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateUpdate.ts",
  "old_string": "import type { SqlClientOperation } from 'cwc-backend-utils';\nimport { validateTable, validateObjectKeys, requireFilters } from './validation';\nimport { filterSystemColumns } from './filterSystemColumns';\nimport { formatValuesForMariaDB } from './formatValues';\nimport { validateValues } from './validateValues';\n\n/**\n * SQL generation result for UPDATE queries\n */\nexport type UpdateSqlResult = {\n  sql: string;\n  params: Record<string, unknown>;\n};\n\n/**\n * Generates an UPDATE SQL statement from an operation\n * Returns SQL and parameters\n */\nexport function generateUpdate(operation: SqlClientOperation): UpdateSqlResult {\n  // Validate table\n  const schema = validateTable(operation.table);",
  "new_string": "import type { SqlClientOperation } from 'cwc-backend-utils';\nimport { validateTable, validateObjectKeys, requireFilters } from './validation';\nimport { filterSystemColumns } from './filterSystemColumns';\nimport { formatValuesForMariaDB } from './formatValues';\nimport { validateValues } from './validateValues';\nimport { debugLog } from '../debugLog';\n\n/**\n * SQL generation result for UPDATE queries\n */\nexport type UpdateSqlResult = {\n  sql: string;\n  params: Record<string, unknown>;\n};\n\n/**\n * Generates an UPDATE SQL statement from an operation\n * Returns SQL and parameters\n */\nexport function generateUpdate(operation: SqlClientOperation): UpdateSqlResult {\n  const table = operation.table || 'unknown';\n  const setCount = Object.keys(operation.values || {}).length;\n  const filterCount = Object.keys(operation.filters || {}).length;\n\n  debugLog('generateUpdate', '', { table, setCount, filterCount });\n\n  // Validate table\n  const schema = validateTable(operation.table);\n  debugLog('generateUpdate', 'validated table', { table: schema.name });"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateUpdate.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→import type { SqlClientOperation } from 'cwc-backend-utils';
     2→import { validateTable, validateObjectKeys, requireFilters } from './validation';
     3→import { filterSystemColumns } from './filterSystemColumns';
     4→import { formatValuesForMariaDB } from './formatValues';
     5→import { validateValues } from './validateValues';
     6→import { debugLog } from '../debugLog';
     7→
     8→/**
     9→ * SQL generation result for UPDATE queries
    10→ */
    11→export type UpdateSqlResult = {
    12→  sql: string;
    13→  params: Record<string, unknown>;
    14→};
    15→
    16→/**
    17→ * Generates an UPDATE SQL statement from an operation
    18→ * Returns SQL and parameters
    19→ */
    20→export function generateUpdate(operation: SqlClientOperation): UpdateSqlResult {
    21→  const table = operation.table || 'unknown';
    22→  const setCount = Object.keys(operation.values || {}).length;
    23→  const filterCount = Object.keys(operation.filters || {}).length;
    24→
    25→  debugLog('generateUpdate', '', { table, setCount, filterCount });
    26→
    27→  // Validate table
    28→  const schema = validateTable(operation.table);
    29→  debugLog('generateUpdate', 'validated table', { table: schema.name });
    30→
    31→  // Validate values are provided
    32→  if (!operation.values) {
    33→    throw new Error('UPDATE operation requires values');

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateUpdate.ts",
  "old_string": "  // Require filters for UPDATE (prevent accidental full-table update)\n  requireFilters(operation.filters);\n\n  // Validate all WHERE column names exist in schema\n  validateObjectKeys(schema, operation.filters!, 'UPDATE filters');",
  "new_string": "  // Require filters for UPDATE (prevent accidental full-table update)\n  requireFilters(operation.filters);\n  debugLog('generateUpdate', 'requireFilters passed', {\n    table: schema.name,\n    filterCount: Object.keys(operation.filters!).length,\n  });\n\n  // Validate all WHERE column names exist in schema\n  validateObjectKeys(schema, operation.filters!, 'UPDATE filters');"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateUpdate.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    53→
    54→  // Validate values against schema constraints (min/max length/value, enums, regex)
    55→  validateValues(schema, values, 'UPDATE');
    56→
    57→  // Require filters for UPDATE (prevent accidental full-table update)
    58→  requireFilters(operation.filters);
    59→  debugLog('generateUpdate', 'requireFilters passed', {
    60→    table: schema.name,
    61→    filterCount: Object.keys(operation.filters!).length,
    62→  });
    63→
    64→  // Validate all WHERE column names exist in schema
    65→  validateObjectKeys(schema, operation.filters!, 'UPDATE filters');
    66→
    67→  // Add modifiedDate timestamp
    68→  values['modifiedDate'] = 'NOW()'; // Special marker for SQL generation
    69→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateUpdate.ts",
  "old_string": "  // Build UPDATE statement\n  const sql = `UPDATE \\`${schema.name}\\` SET ${setClause} WHERE ${whereClause}`;\n\n  return {\n    sql,\n    params,\n  };\n}",
  "new_string": "  // Build UPDATE statement\n  const sql = `UPDATE \\`${schema.name}\\` SET ${setClause} WHERE ${whereClause}`;\n\n  debugLog('generateUpdate', 'generated SQL', {\n    table: schema.name,\n    setColumnCount: setColumns.length,\n    whereConditionCount: whereParts.length,\n    paramCount: Object.keys(params).length,\n  });\n\n  return {\n    sql,\n    params,\n  };\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateUpdate.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   112→  }
   113→
   114→  const whereClause = whereParts.join(' AND ');
   115→
   116→  // Build UPDATE statement
   117→  const sql = `UPDATE \`${schema.name}\` SET ${setClause} WHERE ${whereClause}`;
   118→
   119→  debugLog('generateUpdate', 'generated SQL', {
   120→    table: schema.name,
   121→    setColumnCount: setColumns.length,
   122→    whereConditionCount: whereParts.length,
   123→    paramCount: Object.keys(params).length,
   124→  });
   125→
   126→  return {
   127→    sql,
   128→    params,
   129→  };
   130→}
   131→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateDelete.ts",
  "old_string": "import type { SqlClientOperation } from 'cwc-backend-utils';\nimport { validateTable, validateObjectKeys, requireFilters } from './validation';\n\n/**\n * SQL generation result for DELETE queries\n */\nexport type DeleteSqlResult = {\n  sql: string;\n  params: Record<string, unknown>;\n};\n\n/**\n * Generates a DELETE SQL statement from an operation\n * Returns SQL and parameters\n */\nexport function generateDelete(operation: SqlClientOperation): DeleteSqlResult {\n  // Validate table\n  const schema = validateTable(operation.table);\n\n  // Require filters for DELETE (prevent accidental full-table delete)\n  requireFilters(operation.filters);\n\n  // Validate all WHERE column names exist in schema\n  validateObjectKeys(schema, operation.filters!, 'DELETE filters');",
  "new_string": "import type { SqlClientOperation } from 'cwc-backend-utils';\nimport { validateTable, validateObjectKeys, requireFilters } from './validation';\nimport { debugLog } from '../debugLog';\n\n/**\n * SQL generation result for DELETE queries\n */\nexport type DeleteSqlResult = {\n  sql: string;\n  params: Record<string, unknown>;\n};\n\n/**\n * Generates a DELETE SQL statement from an operation\n * Returns SQL and parameters\n */\nexport function generateDelete(operation: SqlClientOperation): DeleteSqlResult {\n  const table = operation.table || 'unknown';\n  const filterCount = Object.keys(operation.filters || {}).length;\n\n  debugLog('generateDelete', '', { table, filterCount });\n\n  // Validate table\n  const schema = validateTable(operation.table);\n  debugLog('generateDelete', 'validated table', { table: schema.name });\n\n  // Require filters for DELETE (prevent accidental full-table delete)\n  requireFilters(operation.filters);\n  debugLog('generateDelete', 'requireFilters passed', {\n    table: schema.name,\n    filterCount: Object.keys(operation.filters!).length,\n  });\n\n  // Validate all WHERE column names exist in schema\n  validateObjectKeys(schema, operation.filters!, 'DELETE filters');"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateDelete.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→import type { SqlClientOperation } from 'cwc-backend-utils';
     2→import { validateTable, validateObjectKeys, requireFilters } from './validation';
     3→import { debugLog } from '../debugLog';
     4→
     5→/**
     6→ * SQL generation result for DELETE queries
     7→ */
     8→export type DeleteSqlResult = {
     9→  sql: string;
    10→  params: Record<string, unknown>;
    11→};
    12→
    13→/**
    14→ * Generates a DELETE SQL statement from an operation
    15→ * Returns SQL and parameters
    16→ */
    17→export function generateDelete(operation: SqlClientOperation): DeleteSqlResult {
    18→  const table = operation.table || 'unknown';
    19→  const filterCount = Object.keys(operation.filters || {}).length;
    20→
    21→  debugLog('generateDelete', '', { table, filterCount });
    22→
    23→  // Validate table
    24→  const schema = validateTable(operation.table);
    25→  debugLog('generateDelete', 'validated table', { table: schema.name });
    26→
    27→  // Require filters for DELETE (prevent accidental full-table delete)
    28→  requireFilters(operation.filters);
    29→  debugLog('generateDelete', 'requireFilters passed', {
    30→    table: schema.name,
    31→    filterCount: Object.keys(operation.filters!).length,
    32→  });
    33→
    34→  // Validate all WHERE column names exist in schema
    35→  validateObjectKeys(schema, operation.filters!, 'DELETE filters');
    36→
    37→  // Build WHERE clause
    38→  const whereParts: string[] = [];
    39→  const params: Record<string, unknown> = {};

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateDelete.ts",
  "old_string": "  // Build DELETE statement\n  const sql = `DELETE FROM \\`${schema.name}\\` WHERE ${whereClause}`;\n\n  return {\n    sql,\n    params,\n  };\n}",
  "new_string": "  // Build DELETE statement\n  const sql = `DELETE FROM \\`${schema.name}\\` WHERE ${whereClause}`;\n\n  debugLog('generateDelete', 'generated SQL', {\n    table: schema.name,\n    whereConditionCount: whereParts.length,\n    paramCount: Object.keys(params).length,\n  });\n\n  return {\n    sql,\n    params,\n  };\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateDelete.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    57→  }
    58→
    59→  const whereClause = whereParts.join(' AND ');
    60→
    61→  // Build DELETE statement
    62→  const sql = `DELETE FROM \`${schema.name}\` WHERE ${whereClause}`;
    63→
    64→  debugLog('generateDelete', 'generated SQL', {
    65→    table: schema.name,
    66→    whereConditionCount: whereParts.length,
    67→    paramCount: Object.keys(params).length,
    68→  });
    69→
    70→  return {
    71→    sql,
    72→    params,
    73→  };
    74→}
    75→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateCustom.ts"
}

     1→import type { SqlClientOperation } from 'cwc-backend-utils';
     2→import {
     3→  validateCustomTables,
     4→  validateNamedPlaceholders,
     5→  validateCustomParams,
     6→} from './validation';
     7→
     8→/**
     9→ * SQL generation result for custom SQL queries
    10→ */
    11→export type CustomSqlResult = {
    12→  sql: string;
    13→  params: Record<string, unknown>;
    14→  tables: string[];
    15→};
    16→
    17→/**
    18→ * Validates and prepares custom SQL from an operation
    19→ * Returns SQL, parameters, and affected tables
    20→ */
    21→export function generateCustom(operation: SqlClientOperation): CustomSqlResult {
    22→  if (!operation.custom) {
    23→    throw new Error('Custom SQL operation requires custom field');
    24→  }
    25→
    26→  const { customSql, customParams, customTables } = operation.custom;
    27→
    28→  // Validate custom tables exist in schema
    29→  validateCustomTables(customTables);
    30→
    31→  // Validate SQL uses named placeholders
    32→  validateNamedPlaceholders(customSql);
    33→
    34→  // Validate params match placeholders
    35→  validateCustomParams(customSql, customParams);
    36→
    37→  return {
    38→    sql: customSql,
    39→    params: customParams,
    40→    tables: customTables,
    41→  };
    42→}
    43→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/validation.ts"
}

     1→import { getSchema } from 'cwc-schema';
     2→import type { Schema } from 'cwc-schema';
     3→
     4→/**
     5→ * Validates that a table exists in the schema
     6→ * Returns the schema or throws an error
     7→ */
     8→export function validateTable(table: string | undefined): Schema {
     9→  if (!table) {
    10→    throw new Error('Table name is required');
    11→  }
    12→
    13→  const schema = getSchema(table);
    14→  if (!schema) {
    15→    throw new Error(`Invalid table name: ${table}`);
    16→  }
    17→
    18→  return schema;
    19→}
    20→
    21→/**
    22→ * Validates that a column exists in the schema
    23→ */
    24→export function validateColumn(schema: Schema, columnName: string): void {
    25→  if (!schema.columns[columnName]) {
    26→    throw new Error(`Invalid column name: ${columnName} for table: ${schema.name}`);
    27→  }
    28→}
    29→
    30→/**
    31→ * Validates that all columns in an array exist in the schema
    32→ */
    33→export function validateColumns(schema: Schema, columnNames: string[]): void {
    34→  for (const columnName of columnNames) {
    35→    validateColumn(schema, columnName);
    36→  }
    37→}
    38→
    39→/**
    40→ * Validates that all keys in an object are valid column names
    41→ */
    42→export function validateObjectKeys(
    43→  schema: Schema,
    44→  obj: Record<string, unknown>,
    45→  context: string
    46→): void {
    47→  const keys = Object.keys(obj);
    48→
    49→  if (keys.length === 0) {
    50→    throw new Error(`${context} cannot be empty`);
    51→  }
    52→
    53→  for (const key of keys) {
    54→    validateColumn(schema, key);
    55→  }
    56→}
    57→
    58→/**
    59→ * Validates that filters are provided for destructive operations
    60→ */
    61→export function requireFilters(filters: Record<string, unknown> | undefined): void {
    62→  if (!filters || Object.keys(filters).length === 0) {
    63→    throw new Error('Filters are required for this operation to prevent accidental data loss');
    64→  }
    65→}
    66→
    67→/**
    68→ * Validates custom SQL tables
    69→ */
    70→export function validateCustomTables(customTables: string[]): void {
    71→  if (!customTables || customTables.length === 0) {
    72→    throw new Error('Custom SQL must specify tables in customTables array');
    73→  }
    74→
    75→  for (const table of customTables) {
    76→    const schema = getSchema(table);
    77→    if (!schema) {
    78→      throw new Error(`Invalid table in customTables: ${table}`);
    79→    }
    80→  }
    81→}
    82→
    83→/**
    84→ * Validates that custom SQL uses named placeholders
    85→ */
    86→export function validateNamedPlaceholders(customSql: string): void {
    87→  // Check for common SQL injection patterns
    88→  if (customSql.includes(';')) {
    89→    throw new Error('Custom SQL cannot contain semicolons (multiple statements)');
    90→  }
    91→
    92→  // Check for positional placeholders
    93→  const hasPositionalPlaceholder = /\?/.test(customSql);
    94→
    95→  if (hasPositionalPlaceholder) {
    96→    throw new Error('Custom SQL must use named placeholders (:paramName), not positional (?)');
    97→  }
    98→
    99→  // It's okay if there are no placeholders (e.g., SELECT * FROM user)
   100→  // Named placeholders are optional if there are no parameters
   101→}
   102→
   103→/**
   104→ * Validates custom params match placeholders in SQL
   105→ */
   106→export function validateCustomParams(
   107→  customSql: string,
   108→  customParams: Record<string, unknown>
   109→): void {
   110→  // Extract named placeholders from SQL
   111→  const placeholderMatches = customSql.match(/:[\w]+/g) || [];
   112→  const placeholders = placeholderMatches.map((p) => p.substring(1)); // Remove : prefix
   113→
   114→  const paramKeys = Object.keys(customParams);
   115→
   116→  // Check that all placeholders have corresponding params
   117→  for (const placeholder of placeholders) {
   118→    if (!paramKeys.includes(placeholder)) {
   119→      throw new Error(`Missing parameter for placeholder: :${placeholder}`);
   120→    }
   121→  }
   122→
   123→  // Warn about unused params (not an error, but could indicate a mistake)
   124→  for (const paramKey of paramKeys) {
   125→    if (!placeholders.includes(paramKey)) {
   126→      console.warn(`[cwc-sql] Warning: Unused parameter: ${paramKey}`);
   127→    }
   128→  }
   129→}
   130→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateCustom.ts",
  "old_string": "import type { SqlClientOperation } from 'cwc-backend-utils';\nimport {\n  validateCustomTables,\n  validateNamedPlaceholders,\n  validateCustomParams,\n} from './validation';\n\n/**\n * SQL generation result for custom SQL queries\n */\nexport type CustomSqlResult = {\n  sql: string;\n  params: Record<string, unknown>;\n  tables: string[];\n};\n\n/**\n * Validates and prepares custom SQL from an operation\n * Returns SQL, parameters, and affected tables\n */\nexport function generateCustom(operation: SqlClientOperation): CustomSqlResult {\n  if (!operation.custom) {\n    throw new Error('Custom SQL operation requires custom field');\n  }\n\n  const { customSql, customParams, customTables } = operation.custom;\n\n  // Validate custom tables exist in schema\n  validateCustomTables(customTables);\n\n  // Validate SQL uses named placeholders\n  validateNamedPlaceholders(customSql);\n\n  // Validate params match placeholders\n  validateCustomParams(customSql, customParams);\n\n  return {\n    sql: customSql,\n    params: customParams,\n    tables: customTables,\n  };\n}",
  "new_string": "import type { SqlClientOperation } from 'cwc-backend-utils';\nimport {\n  validateCustomTables,\n  validateNamedPlaceholders,\n  validateCustomParams,\n} from './validation';\nimport { debugLog } from '../debugLog';\n\n/**\n * SQL generation result for custom SQL queries\n */\nexport type CustomSqlResult = {\n  sql: string;\n  params: Record<string, unknown>;\n  tables: string[];\n};\n\n/**\n * Validates and prepares custom SQL from an operation\n * Returns SQL, parameters, and affected tables\n */\nexport function generateCustom(operation: SqlClientOperation): CustomSqlResult {\n  if (!operation.custom) {\n    throw new Error('Custom SQL operation requires custom field');\n  }\n\n  const { customSql, customParams, customTables } = operation.custom;\n\n  debugLog('generateCustom', '', {\n    tableCount: customTables.length,\n    customTables,\n    paramCount: Object.keys(customParams).length,\n  });\n\n  // Validate custom tables exist in schema\n  validateCustomTables(customTables);\n  debugLog('generateCustom', 'validated tables', { customTables });\n\n  // Validate SQL uses named placeholders\n  validateNamedPlaceholders(customSql);\n  debugLog('generateCustom', 'validated placeholders', { valid: true });\n\n  // Validate params match placeholders\n  validateCustomParams(customSql, customParams);\n  debugLog('generateCustom', 'validated params', {\n    paramCount: Object.keys(customParams).length,\n  });\n\n  return {\n    sql: customSql,\n    params: customParams,\n    tables: customTables,\n  };\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/generateCustom.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→import type { SqlClientOperation } from 'cwc-backend-utils';
     2→import {
     3→  validateCustomTables,
     4→  validateNamedPlaceholders,
     5→  validateCustomParams,
     6→} from './validation';
     7→import { debugLog } from '../debugLog';
     8→
     9→/**
    10→ * SQL generation result for custom SQL queries
    11→ */
    12→export type CustomSqlResult = {
    13→  sql: string;
    14→  params: Record<string, unknown>;
    15→  tables: string[];
    16→};
    17→
    18→/**
    19→ * Validates and prepares custom SQL from an operation
    20→ * Returns SQL, parameters, and affected tables
    21→ */
    22→export function generateCustom(operation: SqlClientOperation): CustomSqlResult {
    23→  if (!operation.custom) {
    24→    throw new Error('Custom SQL operation requires custom field');
    25→  }
    26→
    27→  const { customSql, customParams, customTables } = operation.custom;
    28→
    29→  debugLog('generateCustom', '', {
    30→    tableCount: customTables.length,
    31→    customTables,
    32→    paramCount: Object.keys(customParams).length,
    33→  });
    34→
    35→  // Validate custom tables exist in schema
    36→  validateCustomTables(customTables);
    37→  debugLog('generateCustom', 'validated tables', { customTables });
    38→
    39→  // Validate SQL uses named placeholders
    40→  validateNamedPlaceholders(customSql);
    41→  debugLog('generateCustom', 'validated placeholders', { valid: true });
    42→
    43→  // Validate params match placeholders
    44→  validateCustomParams(customSql, customParams);
    45→  debugLog('generateCustom', 'validated params', {
    46→    paramCount: Object.keys(customParams).length,
    47→  });
    48→
    49→  return {
    50→    sql: customSql,
    51→    params: customParams,
    52→    tables: customTables,
    53→  };
    54→}
    55→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/validation.ts",
  "old_string": "import { getSchema } from 'cwc-schema';\nimport type { Schema } from 'cwc-schema';\n\n/**\n * Validates that a table exists in the schema\n * Returns the schema or throws an error\n */\nexport function validateTable(table: string | undefined): Schema {\n  if (!table) {\n    throw new Error('Table name is required');\n  }\n\n  const schema = getSchema(table);\n  if (!schema) {\n    throw new Error(`Invalid table name: ${table}`);\n  }\n\n  return schema;\n}",
  "new_string": "import { getSchema } from 'cwc-schema';\nimport type { Schema } from 'cwc-schema';\nimport { debugLog } from '../debugLog';\n\n/**\n * Validates that a table exists in the schema\n * Returns the schema or throws an error\n */\nexport function validateTable(table: string | undefined): Schema {\n  debugLog('validation', 'validateTable', { table });\n\n  if (!table) {\n    debugLog('validation', 'validateTable - FAILED', { reason: 'table name required' });\n    throw new Error('Table name is required');\n  }\n\n  const schema = getSchema(table);\n  if (!schema) {\n    debugLog('validation', 'validateTable - FAILED', { table, reason: 'invalid table name' });\n    throw new Error(`Invalid table name: ${table}`);\n  }\n\n  debugLog('validation', 'validateTable - passed', { table, found: true });\n  return schema;\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/validation.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→import { getSchema } from 'cwc-schema';
     2→import type { Schema } from 'cwc-schema';
     3→import { debugLog } from '../debugLog';
     4→
     5→/**
     6→ * Validates that a table exists in the schema
     7→ * Returns the schema or throws an error
     8→ */
     9→export function validateTable(table: string | undefined): Schema {
    10→  debugLog('validation', 'validateTable', { table });
    11→
    12→  if (!table) {
    13→    debugLog('validation', 'validateTable - FAILED', { reason: 'table name required' });
    14→    throw new Error('Table name is required');
    15→  }
    16→
    17→  const schema = getSchema(table);
    18→  if (!schema) {
    19→    debugLog('validation', 'validateTable - FAILED', { table, reason: 'invalid table name' });
    20→    throw new Error(`Invalid table name: ${table}`);
    21→  }
    22→
    23→  debugLog('validation', 'validateTable - passed', { table, found: true });
    24→  return schema;
    25→}
    26→
    27→/**
    28→ * Validates that a column exists in the schema
    29→ */

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/validation.ts",
  "old_string": "/**\n * Validates that all columns in an array exist in the schema\n */\nexport function validateColumns(schema: Schema, columnNames: string[]): void {\n  for (const columnName of columnNames) {\n    validateColumn(schema, columnName);\n  }\n}",
  "new_string": "/**\n * Validates that all columns in an array exist in the schema\n */\nexport function validateColumns(schema: Schema, columnNames: string[]): void {\n  debugLog('validation', 'validateColumns', {\n    table: schema.name,\n    columnCount: columnNames.length,\n  });\n\n  for (const columnName of columnNames) {\n    validateColumn(schema, columnName);\n  }\n\n  debugLog('validation', 'validateColumns - passed', {\n    table: schema.name,\n    columnCount: columnNames.length,\n  });\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/validation.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    32→    throw new Error(`Invalid column name: ${columnName} for table: ${schema.name}`);
    33→  }
    34→}
    35→
    36→/**
    37→ * Validates that all columns in an array exist in the schema
    38→ */
    39→export function validateColumns(schema: Schema, columnNames: string[]): void {
    40→  debugLog('validation', 'validateColumns', {
    41→    table: schema.name,
    42→    columnCount: columnNames.length,
    43→  });
    44→
    45→  for (const columnName of columnNames) {
    46→    validateColumn(schema, columnName);
    47→  }
    48→
    49→  debugLog('validation', 'validateColumns - passed', {
    50→    table: schema.name,
    51→    columnCount: columnNames.length,
    52→  });
    53→}
    54→
    55→/**
    56→ * Validates that all keys in an object are valid column names
    57→ */

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/validation.ts",
  "old_string": "/**\n * Validates that filters are provided for destructive operations\n */\nexport function requireFilters(filters: Record<string, unknown> | undefined): void {\n  if (!filters || Object.keys(filters).length === 0) {\n    throw new Error('Filters are required for this operation to prevent accidental data loss');\n  }\n}",
  "new_string": "/**\n * Validates that filters are provided for destructive operations\n */\nexport function requireFilters(filters: Record<string, unknown> | undefined): void {\n  const hasFilters = filters && Object.keys(filters).length > 0;\n  debugLog('validation', 'requireFilters', { hasFilters });\n\n  if (!hasFilters) {\n    debugLog('validation', 'requireFilters - FAILED', { reason: 'filters required' });\n    throw new Error('Filters are required for this operation to prevent accidental data loss');\n  }\n\n  debugLog('validation', 'requireFilters - passed', {\n    filterCount: Object.keys(filters).length,\n  });\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/validation.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    70→    validateColumn(schema, key);
    71→  }
    72→}
    73→
    74→/**
    75→ * Validates that filters are provided for destructive operations
    76→ */
    77→export function requireFilters(filters: Record<string, unknown> | undefined): void {
    78→  const hasFilters = filters && Object.keys(filters).length > 0;
    79→  debugLog('validation', 'requireFilters', { hasFilters });
    80→
    81→  if (!hasFilters) {
    82→    debugLog('validation', 'requireFilters - FAILED', { reason: 'filters required' });
    83→    throw new Error('Filters are required for this operation to prevent accidental data loss');
    84→  }
    85→
    86→  debugLog('validation', 'requireFilters - passed', {
    87→    filterCount: Object.keys(filters).length,
    88→  });
    89→}
    90→
    91→/**
    92→ * Validates custom SQL tables
    93→ */

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/validation.ts",
  "old_string": "  // Warn about unused params (not an error, but could indicate a mistake)\n  for (const paramKey of paramKeys) {\n    if (!placeholders.includes(paramKey)) {\n      console.warn(`[cwc-sql] Warning: Unused parameter: ${paramKey}`);\n    }\n  }\n}",
  "new_string": "  // Warn about unused params (not an error, but could indicate a mistake)\n  for (const paramKey of paramKeys) {\n    if (!placeholders.includes(paramKey)) {\n      debugLog('validation', 'validateCustomParams - WARNING: unused parameter', { paramKey });\n    }\n  }\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/sql/validation.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   143→      throw new Error(`Missing parameter for placeholder: :${placeholder}`);
   144→    }
   145→  }
   146→
   147→  // Warn about unused params (not an error, but could indicate a mistake)
   148→  for (const paramKey of paramKeys) {
   149→    if (!placeholders.includes(paramKey)) {
   150→      debugLog('validation', 'validateCustomParams - WARNING: unused parameter', { paramKey });
   151→    }
   152→  }
   153→}
   154→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts"
}

     1→import NodeCache from 'node-cache';
     2→import type { CwcSqlConfig } from '../config';
     3→import type { SqlClientOperation } from 'cwc-backend-utils';
     4→
     5→/**
     6→ * Query cache manager with table-specific invalidation
     7→ */
     8→export class QueryCache {
     9→  private cache: NodeCache;
    10→  private config: CwcSqlConfig;
    11→  private tableCacheKeys: Map<string, Set<string>>;
    12→
    13→  constructor(config: CwcSqlConfig) {
    14→    this.config = config;
    15→    this.tableCacheKeys = new Map();
    16→
    17→    // Create cache with TTL in seconds (config is in minutes)
    18→    this.cache = new NodeCache({
    19→      stdTTL: config.queryCacheTtl * 60,
    20→      maxKeys: config.queryCacheMaxKeys,
    21→      checkperiod: 60, // Check for expired keys every 60 seconds
    22→      useClones: false, // Don't clone objects for better performance
    23→    });
    24→
    25→    // Handle key deletion to clean up table mappings
    26→    this.cache.on('del', (key: string) => {
    27→      this.removeKeyFromTableMapping(key);
    28→    });
    29→
    30→    // Handle key expiration to clean up table mappings
    31→    this.cache.on('expired', (key: string) => {
    32→      this.removeKeyFromTableMapping(key);
    33→    });
    34→
    35→    if (config.debugMode) {
    36→      console.log('[cwc-sql] Query cache initialized:');
    37→      console.log(`  TTL: ${config.queryCacheTtl} minutes`);
    38→      console.log(`  Max Keys: ${config.queryCacheMaxKeys}`);
    39→    }
    40→  }
    41→
    42→  /**
    43→   * Generates a cache key from an operation
    44→   */
    45→  private generateCacheKey(operation: SqlClientOperation): string {
    46→    // Create a stable string representation of the operation
    47→    const keyParts = [
    48→      operation.operationType,
    49→      operation.table || '',
    50→      JSON.stringify(operation.fields || []),
    51→      JSON.stringify(operation.filters || {}),
    52→      JSON.stringify(operation.sort || []),
    53→      JSON.stringify(operation.limit || null),
    54→      JSON.stringify(operation.custom || null),
    55→    ];
    56→
    57→    // Simple hash function for the key
    58→    return `query:${keyParts.join(':')}`;
    59→  }
    60→
    61→  /**
    62→   * Tracks which tables a cache key is associated with
    63→   */
    64→  private trackCacheKeyForTable(table: string, cacheKey: string): void {
    65→    if (!this.tableCacheKeys.has(table)) {
    66→      this.tableCacheKeys.set(table, new Set());
    67→    }
    68→
    69→    const keys = this.tableCacheKeys.get(table);
    70→    if (keys) {
    71→      keys.add(cacheKey);
    72→    }
    73→  }
    74→
    75→  /**
    76→   * Removes a cache key from all table mappings
    77→   */
    78→  private removeKeyFromTableMapping(cacheKey: string): void {
    79→    for (const [table, keys] of this.tableCacheKeys.entries()) {
    80→      keys.delete(cacheKey);
    81→
    82→      // Clean up empty sets
    83→      if (keys.size === 0) {
    84→        this.tableCacheKeys.delete(table);
    85→      }
    86→    }
    87→  }
    88→
    89→  /**
    90→   * Gets a cached query result
    91→   * Returns undefined if not found or cache is disabled
    92→   */
    93→  get<T>(operation: SqlClientOperation): T | undefined {
    94→    if (!this.config.queryCacheEnabled) {
    95→      return undefined;
    96→    }
    97→
    98→    // Only cache SELECT operations
    99→    if (operation.operationType !== 'select') {
   100→      return undefined;
   101→    }
   102→
   103→    const cacheKey = this.generateCacheKey(operation);
   104→    const cached = this.cache.get<T>(cacheKey);
   105→
   106→    if (this.config.debugMode && cached !== undefined) {
   107→      console.log(`[cwc-sql] Cache HIT for table: ${operation.table}`);
   108→    }
   109→
   110→    return cached;
   111→  }
   112→
   113→  /**
   114→   * Stores a query result in the cache
   115→   */
   116→  set<T>(operation: SqlClientOperation, value: T): void {
   117→    if (!this.config.queryCacheEnabled) {
   118→      return;
   119→    }
   120→
   121→    // Only cache SELECT operations
   122→    if (operation.operationType !== 'select') {
   123→      return;
   124→    }
   125→
   126→    const cacheKey = this.generateCacheKey(operation);
   127→    this.cache.set(cacheKey, value);
   128→
   129→    // Track this cache key for the table
   130→    if (operation.table) {
   131→      this.trackCacheKeyForTable(operation.table, cacheKey);
   132→    }
   133→
   134→    // Also track custom tables if present
   135→    if (operation.custom?.customTables) {
   136→      for (const table of operation.custom.customTables) {
   137→        this.trackCacheKeyForTable(table, cacheKey);
   138→      }
   139→    }
   140→
   141→    if (this.config.debugMode) {
   142→      console.log(`[cwc-sql] Cached result for table: ${operation.table}`);
   143→    }
   144→  }
   145→
   146→  /**
   147→   * Invalidates all cache entries for a specific table
   148→   */
   149→  invalidateTable(table: string): void {
   150→    if (!this.config.queryCacheEnabled) {
   151→      return;
   152→    }
   153→
   154→    const keys = this.tableCacheKeys.get(table);
   155→    if (!keys) {
   156→      return; // No cached entries for this table
   157→    }
   158→
   159→    // Delete all cache entries for this table
   160→    for (const key of keys) {
   161→      this.cache.del(key);
   162→    }
   163→
   164→    // Clean up the table mapping
   165→    this.tableCacheKeys.delete(table);
   166→
   167→    if (this.config.debugMode) {
   168→      console.log(`[cwc-sql] Invalidated cache for table: ${table} (${keys.size} entries)`);
   169→    }
   170→  }
   171→
   172→  /**
   173→   * Invalidates all cache entries for multiple tables
   174→   */
   175→  invalidateTables(tables: string[]): void {
   176→    for (const table of tables) {
   177→      this.invalidateTable(table);
   178→    }
   179→  }
   180→
   181→  /**
   182→   * Clears the entire cache
   183→   */
   184→  clear(): void {
   185→    this.cache.flushAll();
   186→    this.tableCacheKeys.clear();
   187→
   188→    if (this.config.debugMode) {
   189→      console.log('[cwc-sql] Cleared entire cache');
   190→    }
   191→  }
   192→
   193→  /**
   194→   * Gets cache statistics
   195→   */
   196→  getStats(): {
   197→    keys: number;
   198→    hits: number;
   199→    misses: number;
   200→    hitRate: number;
   201→    tables: number;
   202→  } {
   203→    const stats = this.cache.getStats();
   204→
   205→    return {
   206→      keys: stats.keys,
   207→      hits: stats.hits,
   208→      misses: stats.misses,
   209→      hitRate: stats.hits / (stats.hits + stats.misses) || 0,
   210→      tables: this.tableCacheKeys.size,
   211→    };
   212→  }
   213→}
   214→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts",
  "old_string": "import NodeCache from 'node-cache';\nimport type { CwcSqlConfig } from '../config';\nimport type { SqlClientOperation } from 'cwc-backend-utils';",
  "new_string": "import NodeCache from 'node-cache';\nimport type { CwcSqlConfig } from '../config';\nimport type { SqlClientOperation } from 'cwc-backend-utils';\nimport { debugLog } from '../debugLog';"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→import NodeCache from 'node-cache';
     2→import type { CwcSqlConfig } from '../config';
     3→import type { SqlClientOperation } from 'cwc-backend-utils';
     4→import { debugLog } from '../debugLog';
     5→
     6→/**
     7→ * Query cache manager with table-specific invalidation
     8→ */

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts",
  "old_string": "    if (config.debugMode) {\n      console.log('[cwc-sql] Query cache initialized:');\n      console.log(`  TTL: ${config.queryCacheTtl} minutes`);\n      console.log(`  Max Keys: ${config.queryCacheMaxKeys}`);\n    }\n  }",
  "new_string": "    debugLog('queryCache', 'initialized', {\n      ttlMinutes: config.queryCacheTtl,\n      maxKeys: config.queryCacheMaxKeys,\n      enabled: config.queryCacheEnabled,\n    });\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    32→    this.cache.on('expired', (key: string) => {
    33→      this.removeKeyFromTableMapping(key);
    34→    });
    35→
    36→    debugLog('queryCache', 'initialized', {
    37→      ttlMinutes: config.queryCacheTtl,
    38→      maxKeys: config.queryCacheMaxKeys,
    39→      enabled: config.queryCacheEnabled,
    40→    });
    41→  }
    42→
    43→  /**
    44→   * Generates a cache key from an operation
    45→   */

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts",
  "old_string": "  get<T>(operation: SqlClientOperation): T | undefined {\n    if (!this.config.queryCacheEnabled) {\n      return undefined;\n    }\n\n    // Only cache SELECT operations\n    if (operation.operationType !== 'select') {\n      return undefined;\n    }\n\n    const cacheKey = this.generateCacheKey(operation);\n    const cached = this.cache.get<T>(cacheKey);\n\n    if (this.config.debugMode && cached !== undefined) {\n      console.log(`[cwc-sql] Cache HIT for table: ${operation.table}`);\n    }\n\n    return cached;\n  }",
  "new_string": "  get<T>(operation: SqlClientOperation): T | undefined {\n    const table = operation.table || 'custom';\n\n    if (!this.config.queryCacheEnabled) {\n      debugLog('queryCache', 'get - cache disabled', { table });\n      return undefined;\n    }\n\n    // Only cache SELECT operations\n    if (operation.operationType !== 'select') {\n      debugLog('queryCache', 'get - skipped (not select)', { table, operationType: operation.operationType });\n      return undefined;\n    }\n\n    const cacheKey = this.generateCacheKey(operation);\n    const cached = this.cache.get<T>(cacheKey);\n\n    if (cached !== undefined) {\n      debugLog('queryCache', 'get - HIT', { table, cacheKey: cacheKey.substring(0, 50) });\n    } else {\n      debugLog('queryCache', 'get - MISS', { table, cacheKey: cacheKey.substring(0, 50) });\n    }\n\n    return cached;\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    90→  /**
    91→   * Gets a cached query result
    92→   * Returns undefined if not found or cache is disabled
    93→   */
    94→  get<T>(operation: SqlClientOperation): T | undefined {
    95→    const table = operation.table || 'custom';
    96→
    97→    if (!this.config.queryCacheEnabled) {
    98→      debugLog('queryCache', 'get - cache disabled', { table });
    99→      return undefined;
   100→    }
   101→
   102→    // Only cache SELECT operations
   103→    if (operation.operationType !== 'select') {
   104→      debugLog('queryCache', 'get - skipped (not select)', { table, operationType: operation.operationType });
   105→      return undefined;
   106→    }
   107→
   108→    const cacheKey = this.generateCacheKey(operation);
   109→    const cached = this.cache.get<T>(cacheKey);
   110→
   111→    if (cached !== undefined) {
   112→      debugLog('queryCache', 'get - HIT', { table, cacheKey: cacheKey.substring(0, 50) });
   113→    } else {
   114→      debugLog('queryCache', 'get - MISS', { table, cacheKey: cacheKey.substring(0, 50) });
   115→    }
   116→
   117→    return cached;
   118→  }
   119→
   120→  /**
   121→   * Stores a query result in the cache
   122→   */

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts",
  "old_string": "  /**\n   * Stores a query result in the cache\n   */\n  set<T>(operation: SqlClientOperation, value: T): void {\n    if (!this.config.queryCacheEnabled) {\n      return;\n    }\n\n    // Only cache SELECT operations\n    if (operation.operationType !== 'select') {\n      return;\n    }\n\n    const cacheKey = this.generateCacheKey(operation);\n    this.cache.set(cacheKey, value);\n\n    // Track this cache key for the table\n    if (operation.table) {\n      this.trackCacheKeyForTable(operation.table, cacheKey);\n    }\n\n    // Also track custom tables if present\n    if (operation.custom?.customTables) {\n      for (const table of operation.custom.customTables) {\n        this.trackCacheKeyForTable(table, cacheKey);\n      }\n    }\n\n    if (this.config.debugMode) {\n      console.log(`[cwc-sql] Cached result for table: ${operation.table}`);\n    }\n  }",
  "new_string": "  /**\n   * Stores a query result in the cache\n   */\n  set<T>(operation: SqlClientOperation, value: T): void {\n    const table = operation.table || 'custom';\n\n    if (!this.config.queryCacheEnabled) {\n      debugLog('queryCache', 'set - cache disabled', { table });\n      return;\n    }\n\n    // Only cache SELECT operations\n    if (operation.operationType !== 'select') {\n      debugLog('queryCache', 'set - skipped (not select)', { table, operationType: operation.operationType });\n      return;\n    }\n\n    const cacheKey = this.generateCacheKey(operation);\n    this.cache.set(cacheKey, value);\n\n    // Track this cache key for the table\n    if (operation.table) {\n      this.trackCacheKeyForTable(operation.table, cacheKey);\n    }\n\n    // Also track custom tables if present\n    if (operation.custom?.customTables) {\n      for (const customTable of operation.custom.customTables) {\n        this.trackCacheKeyForTable(customTable, cacheKey);\n      }\n    }\n\n    debugLog('queryCache', 'set', {\n      table,\n      cacheKey: cacheKey.substring(0, 50),\n      cacheSize: this.cache.getStats().keys,\n    });\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   116→
   117→    return cached;
   118→  }
   119→
   120→  /**
   121→   * Stores a query result in the cache
   122→   */
   123→  set<T>(operation: SqlClientOperation, value: T): void {
   124→    const table = operation.table || 'custom';
   125→
   126→    if (!this.config.queryCacheEnabled) {
   127→      debugLog('queryCache', 'set - cache disabled', { table });
   128→      return;
   129→    }
   130→
   131→    // Only cache SELECT operations
   132→    if (operation.operationType !== 'select') {
   133→      debugLog('queryCache', 'set - skipped (not select)', { table, operationType: operation.operationType });
   134→      return;
   135→    }
   136→
   137→    const cacheKey = this.generateCacheKey(operation);
   138→    this.cache.set(cacheKey, value);
   139→
   140→    // Track this cache key for the table
   141→    if (operation.table) {
   142→      this.trackCacheKeyForTable(operation.table, cacheKey);
   143→    }
   144→
   145→    // Also track custom tables if present
   146→    if (operation.custom?.customTables) {
   147→      for (const customTable of operation.custom.customTables) {
   148→        this.trackCacheKeyForTable(customTable, cacheKey);
   149→      }
   150→    }
   151→
   152→    debugLog('queryCache', 'set', {
   153→      table,
   154→      cacheKey: cacheKey.substring(0, 50),
   155→      cacheSize: this.cache.getStats().keys,
   156→    });
   157→  }
   158→
   159→  /**
   160→   * Invalidates all cache entries for a specific table
   161→   */

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts",
  "old_string": "  /**\n   * Invalidates all cache entries for a specific table\n   */\n  invalidateTable(table: string): void {\n    if (!this.config.queryCacheEnabled) {\n      return;\n    }\n\n    const keys = this.tableCacheKeys.get(table);\n    if (!keys) {\n      return; // No cached entries for this table\n    }\n\n    // Delete all cache entries for this table\n    for (const key of keys) {\n      this.cache.del(key);\n    }\n\n    // Clean up the table mapping\n    this.tableCacheKeys.delete(table);\n\n    if (this.config.debugMode) {\n      console.log(`[cwc-sql] Invalidated cache for table: ${table} (${keys.size} entries)`);\n    }\n  }",
  "new_string": "  /**\n   * Invalidates all cache entries for a specific table\n   */\n  invalidateTable(table: string): void {\n    if (!this.config.queryCacheEnabled) {\n      debugLog('queryCache', 'invalidateTable - cache disabled', { table });\n      return;\n    }\n\n    const keys = this.tableCacheKeys.get(table);\n    if (!keys) {\n      debugLog('queryCache', 'invalidateTable - no entries', { table });\n      return; // No cached entries for this table\n    }\n\n    const keysRemoved = keys.size;\n\n    // Delete all cache entries for this table\n    for (const key of keys) {\n      this.cache.del(key);\n    }\n\n    // Clean up the table mapping\n    this.tableCacheKeys.delete(table);\n\n    debugLog('queryCache', 'invalidateTable', { table, keysRemoved });\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   155→      cacheSize: this.cache.getStats().keys,
   156→    });
   157→  }
   158→
   159→  /**
   160→   * Invalidates all cache entries for a specific table
   161→   */
   162→  invalidateTable(table: string): void {
   163→    if (!this.config.queryCacheEnabled) {
   164→      debugLog('queryCache', 'invalidateTable - cache disabled', { table });
   165→      return;
   166→    }
   167→
   168→    const keys = this.tableCacheKeys.get(table);
   169→    if (!keys) {
   170→      debugLog('queryCache', 'invalidateTable - no entries', { table });
   171→      return; // No cached entries for this table
   172→    }
   173→
   174→    const keysRemoved = keys.size;
   175→
   176→    // Delete all cache entries for this table
   177→    for (const key of keys) {
   178→      this.cache.del(key);
   179→    }
   180→
   181→    // Clean up the table mapping
   182→    this.tableCacheKeys.delete(table);
   183→
   184→    debugLog('queryCache', 'invalidateTable', { table, keysRemoved });
   185→  }
   186→
   187→  /**
   188→   * Invalidates all cache entries for multiple tables
   189→   */

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts",
  "old_string": "  /**\n   * Clears the entire cache\n   */\n  clear(): void {\n    this.cache.flushAll();\n    this.tableCacheKeys.clear();\n\n    if (this.config.debugMode) {\n      console.log('[cwc-sql] Cleared entire cache');\n    }\n  }",
  "new_string": "  /**\n   * Clears the entire cache\n   */\n  clear(): void {\n    const keysBefore = this.cache.getStats().keys;\n    this.cache.flushAll();\n    this.tableCacheKeys.clear();\n\n    debugLog('queryCache', 'clear', { keysCleared: keysBefore });\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   192→      this.invalidateTable(table);
   193→    }
   194→  }
   195→
   196→  /**
   197→   * Clears the entire cache
   198→   */
   199→  clear(): void {
   200→    const keysBefore = this.cache.getStats().keys;
   201→    this.cache.flushAll();
   202→    this.tableCacheKeys.clear();
   203→
   204→    debugLog('queryCache', 'clear', { keysCleared: keysBefore });
   205→  }
   206→
   207→  /**
   208→   * Gets cache statistics
   209→   */

{
  "todos": [
    {
      "content": "Add debugLog to cwc-sql selectHandler.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to selectHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql insertHandler.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to insertHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql updateHandler.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to updateHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql deleteHandler.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to deleteHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql executeOperation.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to executeOperation.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateSelect.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to generateSelect.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateInsert.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to generateInsert.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateUpdate.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to generateUpdate.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateDelete.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to generateDelete.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateCustom.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to generateCustom.ts"
    },
    {
      "content": "Add debugLog to cwc-sql validation.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to validation.ts"
    },
    {
      "content": "Add debugLog to cwc-sql queryCache.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to queryCache.ts"
    },
    {
      "content": "Add debugLog to cwc-content ContentHandler.ts gaps",
      "status": "in_progress",
      "activeForm": "Adding debugLog to ContentHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-content ContentCache.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to ContentCache.ts"
    },
    {
      "content": "Add debugLog to cwc-content createContext.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to createContext.ts"
    },
    {
      "content": "Add debugLog to cwc-content handleFileGet.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to handleFileGet.ts"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts"
}

     1→'use strict';
     2→
     3→import { type StorageClient, type SqlClient, getErrorInfo } from 'cwc-backend-utils';
     4→import type { RequestContext } from '../../context';
     5→import type { ContentCache } from '../../cache';
     6→import type {
     7→  OperationResult,
     8→  GetCodingSessionPayload,
     9→  PutCodingSessionPayload,
    10→  DeleteCodingSessionPayload,
    11→} from '../../types/handler.types';
    12→import { debugLog } from '../../utils';
    13→
    14→export type ContentHandlerOptions = {
    15→  storageClient: StorageClient;
    16→  sqlClient: SqlClient;
    17→  cache: ContentCache;
    18→  cacheEnabled: boolean;
    19→};
    20→
    21→/**
    22→ * Handles content operations (get/put/delete)
    23→ *
    24→ * This handler interacts with cwc-storage via StorageClient and maintains
    25→ * an in-memory cache for frequently accessed content.
    26→ *
    27→ * Security: Uses SqlClient to verify session published status before serving
    28→ * data to non-owners. This prevents enumeration attacks on unpublished sessions.
    29→ */
    30→export class ContentHandler {
    31→  private storageClient: StorageClient;
    32→  private sqlClient: SqlClient;
    33→  private cache: ContentCache;
    34→  private cacheEnabled: boolean;
    35→
    36→  constructor(options: ContentHandlerOptions) {
    37→    this.storageClient = options.storageClient;
    38→    this.sqlClient = options.sqlClient;
    39→    this.cache = options.cache;
    40→    this.cacheEnabled = options.cacheEnabled;
    41→  }
    42→
    43→  /**
    44→   * Extract codingSessionPkId from filename
    45→   * e.g., "110/session.json.gz" -> 110
    46→   */
    47→  private extractPkIdFromFilename(filename: string): number | undefined {
    48→    const match = filename.match(/^(\d+)\//);
    49→    return match && match[1] ? parseInt(match[1], 10) : undefined;
    50→  }
    51→
    52→  /**
    53→   * Check if a coding session is published
    54→   * Returns true if session exists AND published=true
    55→   */
    56→  private async isSessionPublished(codingSessionPkId: number): Promise<boolean> {
    57→    let result: { codingSessionPkId: number } | undefined = undefined;
    58→    debugLog('ContentHandler', 'isSessionPublished', { codingSessionPkId });
    59→    try {
    60→      const command = this.sqlClient.selectCommand({
    61→        table: 'codingSession',
    62→        filters: {
    63→          codingSessionPkId,
    64→          enabled: true,
    65→          published: true,
    66→        },
    67→        fields: ['codingSessionPkId'],
    68→      });
    69→      debugLog('ContentHandler', 'isSessionPublished', {
    70→        command: JSON.stringify(command, undefined, 2),
    71→      });
    72→
    73→      const response = await this.sqlClient.query({ userPkId: undefined, command });
    74→      debugLog('ContentHandler', 'isSessionPublished', {
    75→        response: JSON.stringify(response, undefined, 2),
    76→      });
    77→
    78→      result = this.sqlClient.getFirstResult<{ codingSessionPkId: number }>(response);
    79→      debugLog('ContentHandler', 'isSessionPublished', {
    80→        result: JSON.stringify(result, undefined, 2),
    81→      });
    82→    } catch (error) {
    83→      debugLog('ContentHandler', 'isSessionPublished - ERROR', { error: getErrorInfo(error) });
    84→    }
    85→
    86→    return result !== undefined;
    87→  }
    88→
    89→  /**
    90→   * Get coding session data from storage
    91→   *
    92→   * Access: guest-user for published sessions, project-owner for unpublished
    93→   *
    94→   * Security: Verifies session is published before serving to non-owners.
    95→   * This prevents enumeration attacks on unpublished sessions.
    96→   */
    97→  async getCodingSession(
    98→    payload: GetCodingSessionPayload,
    99→    context: RequestContext
   100→  ): Promise<OperationResult<Buffer>> {
   101→    try {
   102→      debugLog('ContentHandler', 'getCodingSession', { payload, context });
   103→      const { projectId, filename } = payload;
   104→      debugLog('ContentHandler', 'getCodingSession', { projectId, filename });
   105→
   106→      // Validate required fields
   107→      if (!projectId) {
   108→        debugLog('ContentHandler', 'getCodingSession', 'Missing field: projectId');
   109→        return {
   110→          success: false,
   111→          errorCode: 'VALIDATION_ERROR',
   112→          errorMessage: 'projectId is required',
   113→        };
   114→      }
   115→      if (!filename) {
   116→        debugLog('ContentHandler', 'getCodingSession', 'Missing field: filename');
   117→        return {
   118→          success: false,
   119→          errorCode: 'VALIDATION_ERROR',
   120→          errorMessage: 'filename is required',
   121→        };
   122→      }
   123→
   124→      // Extract codingSessionPkId from filename for published status check
   125→      const codingSessionPkId = this.extractPkIdFromFilename(filename);
   126→      if (codingSessionPkId === undefined) {
   127→        debugLog('ContentHandler', 'getCodingSession', 'Missing value: codingSessionPkId');
   128→        return {
   129→          success: false,
   130→          errorCode: 'NOT_FOUND',
   131→          errorMessage: 'Session not found',
   132→        };
   133→      }
   134→
   135→      // Check access: project-owner can always access, others need published session
   136→      const isOwner = context.isAuthenticated && context.ownedProjects.includes(projectId);
   137→      if (!isOwner) {
   138→        const isPublished = await this.isSessionPublished(codingSessionPkId);
   139→        if (!isPublished) {
   140→          debugLog(
   141→            'ContentHandler',
   142→            'getCodingSession',
   143→            'Access DENIED - only project-owner has access to unpublished content'
   144→          );
   145→          // Return NOT_FOUND to not reveal existence of unpublished sessions
   146→          return {
   147→            success: false,
   148→            errorCode: 'NOT_FOUND',
   149→            errorMessage: 'Session not found',
   150→          };
   151→        }
   152→      }
   153→
   154→      // Check cache first (if enabled)
   155→      if (this.cacheEnabled) {
   156→        const cachedData = this.cache.get(projectId, filename);
   157→        if (cachedData) {
   158→          debugLog('ContentHandler', 'getCodingSession - found cached item', {
   159→            projectId,
   160→            filename,
   161→          });
   162→          return { success: true, data: cachedData };
   163→        }
   164→        debugLog('ContentHandler', 'getCodingSession - not found in cache', {
   165→          projectId,
   166→          filename,
   167→        });
   168→      }
   169→
   170→      // Fetch from storage
   171→      const result = await this.storageClient.getFile(projectId, filename);
   172→
   173→      if (!result.success) {
   174→        if (result.error === 'FILE_NOT_FOUND') {
   175→          return {
   176→            success: false,
   177→            errorCode: 'NOT_FOUND',
   178→            errorMessage: 'Session data not found',
   179→          };
   180→        }
   181→        return {
   182→          success: false,
   183→          errorCode: 'STORAGE_ERROR',
   184→          errorMessage: 'Failed to retrieve session data',
   185→        };
   186→      }
   187→
   188→      // Cache the result (if enabled)
   189→      if (this.cacheEnabled) {
   190→        this.cache.set(projectId, filename, result.data);
   191→        debugLog('ContentHandler', 'getCodingSession - added to cache', {
   192→          projectId,
   193→          filename,
   194→        });
   195→      }
   196→
   197→      return { success: true, data: result.data };
   198→    } catch (error) {
   199→      debugLog('ContentHandler', 'getCodingSession - ERROR', { error: getErrorInfo(error) });
   200→      return {
   201→        success: false,
   202→        errorCode: 'INTERNAL_ERROR',
   203→        errorMessage: 'An internal error occurred',
   204→      };
   205→    }
   206→  }
   207→
   208→  /**
   209→   * Put coding session data to storage
   210→   *
   211→   * Access: project-owner (ownership verified at route level by checkRouteAccess)
   212→   */
   213→  async putCodingSession(
   214→    payload: PutCodingSessionPayload,
   215→    _context: RequestContext
   216→  ): Promise<OperationResult<{ filename: string }>> {
   217→    const { projectId, filename, data, fileEncoding } = payload;
   218→
   219→    // Validate required fields
   220→    if (!projectId || !filename || !data) {
   221→      return {
   222→        success: false,
   223→        errorCode: 'VALIDATION_ERROR',
   224→        errorMessage: 'projectId, filename, and data are required',
   225→      };
   226→    }
   227→
   228→    // Upload to storage
   229→    const result = await this.storageClient.putFile(projectId, filename, data, fileEncoding);
   230→
   231→    if (!result.success) {
   232→      return {
   233→        success: false,
   234→        errorCode: 'STORAGE_ERROR',
   235→        errorMessage: 'Failed to store session data',
   236→      };
   237→    }
   238→
   239→    // Invalidate cache (new data will be cached on next get)
   240→    if (this.cacheEnabled) {
   241→      this.cache.invalidate(projectId, filename);
   242→      debugLog('ContentHandler', 'putCodingSession - invalidated cache', {
   243→        projectId,
   244→        filename,
   245→      });
   246→    }
   247→
   248→    return { success: true, data: { filename: result.filename } };
   249→  }
   250→
   251→  /**
   252→   * Delete coding session data from storage
   253→   *
   254→   * Access: project-owner (ownership verified at route level by checkRouteAccess)
   255→   */
   256→  async deleteCodingSession(
   257→    payload: DeleteCodingSessionPayload,
   258→    _context: RequestContext
   259→  ): Promise<OperationResult<{ filename: string }>> {
   260→    const { projectId, filename } = payload;
   261→
   262→    // Validate required fields
   263→    if (!projectId || !filename) {
   264→      return {
   265→        success: false,
   266→        errorCode: 'VALIDATION_ERROR',
   267→        errorMessage: 'projectId and filename are required',
   268→      };
   269→    }
   270→
   271→    // Delete from storage
   272→    const result = await this.storageClient.deleteFile(projectId, filename);
   273→
   274→    if (!result.success) {
   275→      if (result.error === 'FILE_NOT_FOUND') {
   276→        return {
   277→          success: false,
   278→          errorCode: 'NOT_FOUND',
   279→          errorMessage: 'Session data not found',
   280→        };
   281→      }
   282→      return {
   283→        success: false,
   284→        errorCode: 'STORAGE_ERROR',
   285→        errorMessage: 'Failed to delete session data',
   286→      };
   287→    }
   288→
   289→    // Invalidate cache
   290→    if (this.cacheEnabled) {
   291→      this.cache.invalidate(projectId, filename);
   292→      debugLog('ContentHandler', 'deleteCodingSession - invalidated cache', {
   293→        projectId,
   294→        filename,
   295→      });
   296→    }
   297→
   298→    return { success: true, data: { filename: result.filename } };
   299→  }
   300→}
   301→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts",
  "old_string": "      // Fetch from storage\n      const result = await this.storageClient.getFile(projectId, filename);\n\n      if (!result.success) {\n        if (result.error === 'FILE_NOT_FOUND') {\n          return {\n            success: false,\n            errorCode: 'NOT_FOUND',\n            errorMessage: 'Session data not found',\n          };\n        }\n        return {\n          success: false,\n          errorCode: 'STORAGE_ERROR',\n          errorMessage: 'Failed to retrieve session data',\n        };\n      }\n\n      // Cache the result (if enabled)\n      if (this.cacheEnabled) {\n        this.cache.set(projectId, filename, result.data);\n        debugLog('ContentHandler', 'getCodingSession - added to cache', {\n          projectId,\n          filename,\n        });\n      }\n\n      return { success: true, data: result.data };",
  "new_string": "      // Fetch from storage\n      debugLog('ContentHandler', 'getCodingSession - fetching from storage', {\n        projectId,\n        filename,\n      });\n      const result = await this.storageClient.getFile(projectId, filename);\n\n      if (!result.success) {\n        if (result.error === 'FILE_NOT_FOUND') {\n          debugLog('ContentHandler', 'getCodingSession - FILE_NOT_FOUND', {\n            projectId,\n            filename,\n          });\n          return {\n            success: false,\n            errorCode: 'NOT_FOUND',\n            errorMessage: 'Session data not found',\n          };\n        }\n        debugLog('ContentHandler', 'getCodingSession - storage error', {\n          projectId,\n          filename,\n          error: result.error,\n        });\n        return {\n          success: false,\n          errorCode: 'STORAGE_ERROR',\n          errorMessage: 'Failed to retrieve session data',\n        };\n      }\n\n      // Cache the result (if enabled)\n      if (this.cacheEnabled) {\n        this.cache.set(projectId, filename, result.data);\n        debugLog('ContentHandler', 'getCodingSession - added to cache', {\n          projectId,\n          filename,\n        });\n      }\n\n      debugLog('ContentHandler', 'getCodingSession - success', {\n        projectId,\n        filename,\n      });\n      return { success: true, data: result.data };"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   166→          filename,
   167→        });
   168→      }
   169→
   170→      // Fetch from storage
   171→      debugLog('ContentHandler', 'getCodingSession - fetching from storage', {
   172→        projectId,
   173→        filename,
   174→      });
   175→      const result = await this.storageClient.getFile(projectId, filename);
   176→
   177→      if (!result.success) {
   178→        if (result.error === 'FILE_NOT_FOUND') {
   179→          debugLog('ContentHandler', 'getCodingSession - FILE_NOT_FOUND', {
   180→            projectId,
   181→            filename,
   182→          });
   183→          return {
   184→            success: false,
   185→            errorCode: 'NOT_FOUND',
   186→            errorMessage: 'Session data not found',
   187→          };
   188→        }
   189→        debugLog('ContentHandler', 'getCodingSession - storage error', {
   190→          projectId,
   191→          filename,
   192→          error: result.error,
   193→        });
   194→        return {
   195→          success: false,
   196→          errorCode: 'STORAGE_ERROR',
   197→          errorMessage: 'Failed to retrieve session data',
   198→        };
   199→      }
   200→
   201→      // Cache the result (if enabled)
   202→      if (this.cacheEnabled) {
   203→        this.cache.set(projectId, filename, result.data);
   204→        debugLog('ContentHandler', 'getCodingSession - added to cache', {
   205→          projectId,
   206→          filename,
   207→        });
   208→      }
   209→
   210→      debugLog('ContentHandler', 'getCodingSession - success', {
   211→        projectId,
   212→        filename,
   213→      });
   214→      return { success: true, data: result.data };
   215→    } catch (error) {
   216→      debugLog('ContentHandler', 'getCodingSession - ERROR', { error: getErrorInfo(error) });
   217→      return {
   218→        success: false,

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts",
  "old_string": "  async putCodingSession(\n    payload: PutCodingSessionPayload,\n    _context: RequestContext\n  ): Promise<OperationResult<{ filename: string }>> {\n    const { projectId, filename, data, fileEncoding } = payload;\n\n    // Validate required fields\n    if (!projectId || !filename || !data) {\n      return {\n        success: false,\n        errorCode: 'VALIDATION_ERROR',\n        errorMessage: 'projectId, filename, and data are required',\n      };\n    }\n\n    // Upload to storage\n    const result = await this.storageClient.putFile(projectId, filename, data, fileEncoding);\n\n    if (!result.success) {\n      return {\n        success: false,\n        errorCode: 'STORAGE_ERROR',\n        errorMessage: 'Failed to store session data',\n      };\n    }\n\n    // Invalidate cache (new data will be cached on next get)\n    if (this.cacheEnabled) {\n      this.cache.invalidate(projectId, filename);\n      debugLog('ContentHandler', 'putCodingSession - invalidated cache', {\n        projectId,\n        filename,\n      });\n    }\n\n    return { success: true, data: { filename: result.filename } };\n  }",
  "new_string": "  async putCodingSession(\n    payload: PutCodingSessionPayload,\n    _context: RequestContext\n  ): Promise<OperationResult<{ filename: string }>> {\n    const { projectId, filename, data, fileEncoding } = payload;\n\n    debugLog('ContentHandler', 'putCodingSession', { projectId, filename });\n\n    // Validate required fields\n    if (!projectId || !filename || !data) {\n      debugLog('ContentHandler', 'putCodingSession - validation failed', {\n        hasProjectId: !!projectId,\n        hasFilename: !!filename,\n        hasData: !!data,\n      });\n      return {\n        success: false,\n        errorCode: 'VALIDATION_ERROR',\n        errorMessage: 'projectId, filename, and data are required',\n      };\n    }\n\n    // Upload to storage\n    debugLog('ContentHandler', 'putCodingSession - uploading to storage', {\n      projectId,\n      filename,\n    });\n    const result = await this.storageClient.putFile(projectId, filename, data, fileEncoding);\n\n    if (!result.success) {\n      debugLog('ContentHandler', 'putCodingSession - storage error', {\n        projectId,\n        filename,\n        error: result.error,\n      });\n      return {\n        success: false,\n        errorCode: 'STORAGE_ERROR',\n        errorMessage: 'Failed to store session data',\n      };\n    }\n\n    // Invalidate cache (new data will be cached on next get)\n    if (this.cacheEnabled) {\n      this.cache.invalidate(projectId, filename);\n      debugLog('ContentHandler', 'putCodingSession - invalidated cache', {\n        projectId,\n        filename,\n      });\n    }\n\n    debugLog('ContentHandler', 'putCodingSession - success', {\n      projectId,\n      filename,\n    });\n    return { success: true, data: { filename: result.filename } };\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   226→   * Put coding session data to storage
   227→   *
   228→   * Access: project-owner (ownership verified at route level by checkRouteAccess)
   229→   */
   230→  async putCodingSession(
   231→    payload: PutCodingSessionPayload,
   232→    _context: RequestContext
   233→  ): Promise<OperationResult<{ filename: string }>> {
   234→    const { projectId, filename, data, fileEncoding } = payload;
   235→
   236→    debugLog('ContentHandler', 'putCodingSession', { projectId, filename });
   237→
   238→    // Validate required fields
   239→    if (!projectId || !filename || !data) {
   240→      debugLog('ContentHandler', 'putCodingSession - validation failed', {
   241→        hasProjectId: !!projectId,
   242→        hasFilename: !!filename,
   243→        hasData: !!data,
   244→      });
   245→      return {
   246→        success: false,
   247→        errorCode: 'VALIDATION_ERROR',
   248→        errorMessage: 'projectId, filename, and data are required',
   249→      };
   250→    }
   251→
   252→    // Upload to storage
   253→    debugLog('ContentHandler', 'putCodingSession - uploading to storage', {
   254→      projectId,
   255→      filename,
   256→    });
   257→    const result = await this.storageClient.putFile(projectId, filename, data, fileEncoding);
   258→
   259→    if (!result.success) {
   260→      debugLog('ContentHandler', 'putCodingSession - storage error', {
   261→        projectId,
   262→        filename,
   263→        error: result.error,
   264→      });
   265→      return {
   266→        success: false,
   267→        errorCode: 'STORAGE_ERROR',
   268→        errorMessage: 'Failed to store session data',
   269→      };
   270→    }
   271→
   272→    // Invalidate cache (new data will be cached on next get)
   273→    if (this.cacheEnabled) {
   274→      this.cache.invalidate(projectId, filename);
   275→      debugLog('ContentHandler', 'putCodingSession - invalidated cache', {
   276→        projectId,
   277→        filename,
   278→      });
   279→    }
   280→
   281→    debugLog('ContentHandler', 'putCodingSession - success', {
   282→      projectId,
   283→      filename,
   284→    });
   285→    return { success: true, data: { filename: result.filename } };
   286→  }
   287→
   288→  /**
   289→   * Delete coding session data from storage
   290→   *

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts",
  "old_string": "  async deleteCodingSession(\n    payload: DeleteCodingSessionPayload,\n    _context: RequestContext\n  ): Promise<OperationResult<{ filename: string }>> {\n    const { projectId, filename } = payload;\n\n    // Validate required fields\n    if (!projectId || !filename) {\n      return {\n        success: false,\n        errorCode: 'VALIDATION_ERROR',\n        errorMessage: 'projectId and filename are required',\n      };\n    }\n\n    // Delete from storage\n    const result = await this.storageClient.deleteFile(projectId, filename);\n\n    if (!result.success) {\n      if (result.error === 'FILE_NOT_FOUND') {\n        return {\n          success: false,\n          errorCode: 'NOT_FOUND',\n          errorMessage: 'Session data not found',\n        };\n      }\n      return {\n        success: false,\n        errorCode: 'STORAGE_ERROR',\n        errorMessage: 'Failed to delete session data',\n      };\n    }\n\n    // Invalidate cache\n    if (this.cacheEnabled) {\n      this.cache.invalidate(projectId, filename);\n      debugLog('ContentHandler', 'deleteCodingSession - invalidated cache', {\n        projectId,\n        filename,\n      });\n    }\n\n    return { success: true, data: { filename: result.filename } };\n  }\n}",
  "new_string": "  async deleteCodingSession(\n    payload: DeleteCodingSessionPayload,\n    _context: RequestContext\n  ): Promise<OperationResult<{ filename: string }>> {\n    const { projectId, filename } = payload;\n\n    debugLog('ContentHandler', 'deleteCodingSession', { projectId, filename });\n\n    // Validate required fields\n    if (!projectId || !filename) {\n      debugLog('ContentHandler', 'deleteCodingSession - validation failed', {\n        hasProjectId: !!projectId,\n        hasFilename: !!filename,\n      });\n      return {\n        success: false,\n        errorCode: 'VALIDATION_ERROR',\n        errorMessage: 'projectId and filename are required',\n      };\n    }\n\n    // Delete from storage\n    debugLog('ContentHandler', 'deleteCodingSession - deleting from storage', {\n      projectId,\n      filename,\n    });\n    const result = await this.storageClient.deleteFile(projectId, filename);\n\n    if (!result.success) {\n      if (result.error === 'FILE_NOT_FOUND') {\n        debugLog('ContentHandler', 'deleteCodingSession - FILE_NOT_FOUND', {\n          projectId,\n          filename,\n        });\n        return {\n          success: false,\n          errorCode: 'NOT_FOUND',\n          errorMessage: 'Session data not found',\n        };\n      }\n      debugLog('ContentHandler', 'deleteCodingSession - storage error', {\n        projectId,\n        filename,\n        error: result.error,\n      });\n      return {\n        success: false,\n        errorCode: 'STORAGE_ERROR',\n        errorMessage: 'Failed to delete session data',\n      };\n    }\n\n    // Invalidate cache\n    if (this.cacheEnabled) {\n      this.cache.invalidate(projectId, filename);\n      debugLog('ContentHandler', 'deleteCodingSession - invalidated cache', {\n        projectId,\n        filename,\n      });\n    }\n\n    debugLog('ContentHandler', 'deleteCodingSession - success', {\n      projectId,\n      filename,\n    });\n    return { success: true, data: { filename: result.filename } };\n  }\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   289→   * Delete coding session data from storage
   290→   *
   291→   * Access: project-owner (ownership verified at route level by checkRouteAccess)
   292→   */
   293→  async deleteCodingSession(
   294→    payload: DeleteCodingSessionPayload,
   295→    _context: RequestContext
   296→  ): Promise<OperationResult<{ filename: string }>> {
   297→    const { projectId, filename } = payload;
   298→
   299→    debugLog('ContentHandler', 'deleteCodingSession', { projectId, filename });
   300→
   301→    // Validate required fields
   302→    if (!projectId || !filename) {
   303→      debugLog('ContentHandler', 'deleteCodingSession - validation failed', {
   304→        hasProjectId: !!projectId,
   305→        hasFilename: !!filename,
   306→      });
   307→      return {
   308→        success: false,
   309→        errorCode: 'VALIDATION_ERROR',
   310→        errorMessage: 'projectId and filename are required',
   311→      };
   312→    }
   313→
   314→    // Delete from storage
   315→    debugLog('ContentHandler', 'deleteCodingSession - deleting from storage', {
   316→      projectId,
   317→      filename,
   318→    });
   319→    const result = await this.storageClient.deleteFile(projectId, filename);
   320→
   321→    if (!result.success) {
   322→      if (result.error === 'FILE_NOT_FOUND') {
   323→        debugLog('ContentHandler', 'deleteCodingSession - FILE_NOT_FOUND', {
   324→          projectId,
   325→          filename,
   326→        });
   327→        return {
   328→          success: false,
   329→          errorCode: 'NOT_FOUND',
   330→          errorMessage: 'Session data not found',
   331→        };
   332→      }
   333→      debugLog('ContentHandler', 'deleteCodingSession - storage error', {
   334→        projectId,
   335→        filename,
   336→        error: result.error,
   337→      });
   338→      return {
   339→        success: false,
   340→        errorCode: 'STORAGE_ERROR',
   341→        errorMessage: 'Failed to delete session data',
   342→      };
   343→    }
   344→
   345→    // Invalidate cache
   346→    if (this.cacheEnabled) {
   347→      this.cache.invalidate(projectId, filename);
   348→      debugLog('ContentHandler', 'deleteCodingSession - invalidated cache', {
   349→        projectId,
   350→        filename,
   351→      });
   352→    }
   353→
   354→    debugLog('ContentHandler', 'deleteCodingSession - success', {
   355→      projectId,
   356→      filename,
   357→    });
   358→    return { success: true, data: { filename: result.filename } };
   359→  }
   360→}
   361→

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  "todos": [
    {
      "content": "Add debugLog to cwc-sql selectHandler.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to selectHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql insertHandler.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to insertHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql updateHandler.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to updateHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql deleteHandler.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to deleteHandler.ts"
    },
    {
      "content": "Add debugLog to cwc-sql executeOperation.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to executeOperation.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateSelect.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to generateSelect.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateInsert.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to generateInsert.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateUpdate.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to generateUpdate.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateDelete.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to generateDelete.ts"
    },
    {
      "content": "Add debugLog to cwc-sql generateCustom.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to generateCustom.ts"
    },
    {
      "content": "Add debugLog to cwc-sql validation.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to validation.ts"
    },
    {
      "content": "Add debugLog to cwc-sql queryCache.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to queryCache.ts"
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    {
      "content": "Add debugLog to cwc-content ContentHandler.ts gaps",
      "status": "completed",
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      "content": "Add debugLog to cwc-content ContentCache.ts",
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      "content": "Add debugLog to cwc-content handleFileGet.ts",
      "status": "pending",
      "activeForm": "Adding debugLog to handleFileGet.ts"
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  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/cache/ContentCache.ts",
  "old_string": "/**\n * Cache entry for content data\n */\ntype CacheEntry = {\n  data: Buffer;\n  timestamp: number;\n};",
  "new_string": "import { debugLog } from '../utils';\n\n/**\n * Cache entry for content data\n */\ntype CacheEntry = {\n  data: Buffer;\n  timestamp: number;\n};"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/cache/ContentCache.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→import { debugLog } from '../utils';
     2→
     3→/**
     4→ * Cache entry for content data
     5→ */
     6→type CacheEntry = {
     7→  data: Buffer;
     8→  timestamp: number;
     9→};
    10→
    11→/**
    12→ * LRU cache with TTL for content data
    13→ *

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/cache/ContentCache.ts",
  "old_string": "  /**\n   * Get data from cache\n   * Returns undefined if not found or expired\n   */\n  get(projectId: string, filename: string): Buffer | undefined {\n    const key = this.buildKey(projectId, filename);\n    const entry = this.cache.get(key);\n\n    if (!entry) {\n      return undefined;\n    }\n\n    // Check TTL\n    if (this.isExpired(entry)) {\n      this.cache.delete(key);\n      return undefined;\n    }\n\n    // Move to end for LRU (delete and re-add to maintain insertion order)\n    this.cache.delete(key);\n    this.cache.set(key, entry);\n\n    return entry.data;\n  }",
  "new_string": "  /**\n   * Get data from cache\n   * Returns undefined if not found or expired\n   */\n  get(projectId: string, filename: string): Buffer | undefined {\n    const key = this.buildKey(projectId, filename);\n    const entry = this.cache.get(key);\n\n    if (!entry) {\n      debugLog('ContentCache', 'get - MISS', { projectId, filename });\n      return undefined;\n    }\n\n    // Check TTL\n    if (this.isExpired(entry)) {\n      this.cache.delete(key);\n      debugLog('ContentCache', 'get - evicted expired entry', { projectId, filename });\n      return undefined;\n    }\n\n    // Move to end for LRU (delete and re-add to maintain insertion order)\n    this.cache.delete(key);\n    this.cache.set(key, entry);\n\n    debugLog('ContentCache', 'get - HIT', { projectId, filename });\n    return entry.data;\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/cache/ContentCache.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    43→  private isExpired(entry: CacheEntry): boolean {
    44→    return Date.now() - entry.timestamp > this.ttlMs;
    45→  }
    46→
    47→  /**
    48→   * Get data from cache
    49→   * Returns undefined if not found or expired
    50→   */
    51→  get(projectId: string, filename: string): Buffer | undefined {
    52→    const key = this.buildKey(projectId, filename);
    53→    const entry = this.cache.get(key);
    54→
    55→    if (!entry) {
    56→      debugLog('ContentCache', 'get - MISS', { projectId, filename });
    57→      return undefined;
    58→    }
    59→
    60→    // Check TTL
    61→    if (this.isExpired(entry)) {
    62→      this.cache.delete(key);
    63→      debugLog('ContentCache', 'get - evicted expired entry', { projectId, filename });
    64→      return undefined;
    65→    }
    66→
    67→    // Move to end for LRU (delete and re-add to maintain insertion order)
    68→    this.cache.delete(key);
    69→    this.cache.set(key, entry);
    70→
    71→    debugLog('ContentCache', 'get - HIT', { projectId, filename });
    72→    return entry.data;
    73→  }
    74→
    75→  /**
    76→   * Set data in cache
    77→   * Evicts oldest entry if at capacity

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/cache/ContentCache.ts",
  "old_string": "  /**\n   * Set data in cache\n   * Evicts oldest entry if at capacity\n   */\n  set(projectId: string, filename: string, data: Buffer): void {\n    const key = this.buildKey(projectId, filename);\n\n    // If key exists, delete it first (to update LRU order)\n    if (this.cache.has(key)) {\n      this.cache.delete(key);\n    }\n\n    // Evict oldest entry if at capacity\n    if (this.cache.size >= this.maxSize) {\n      const oldestKey = this.cache.keys().next().value;\n      if (oldestKey) {\n        this.cache.delete(oldestKey);\n      }\n    }\n\n    // Add new entry\n    this.cache.set(key, {\n      data,\n      timestamp: Date.now(),\n    });\n  }",
  "new_string": "  /**\n   * Set data in cache\n   * Evicts oldest entry if at capacity\n   */\n  set(projectId: string, filename: string, data: Buffer): void {\n    const key = this.buildKey(projectId, filename);\n\n    // If key exists, delete it first (to update LRU order)\n    if (this.cache.has(key)) {\n      this.cache.delete(key);\n    }\n\n    // Evict oldest entry if at capacity\n    if (this.cache.size >= this.maxSize) {\n      const oldestKey = this.cache.keys().next().value;\n      if (oldestKey) {\n        this.cache.delete(oldestKey);\n        debugLog('ContentCache', 'set - evicted LRU entry', { evictedKey: oldestKey });\n      }\n    }\n\n    // Add new entry\n    this.cache.set(key, {\n      data,\n      timestamp: Date.now(),\n    });\n\n    debugLog('ContentCache', 'set', { projectId, filename, cacheSize: this.cache.size });\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/cache/ContentCache.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    71→    debugLog('ContentCache', 'get - HIT', { projectId, filename });
    72→    return entry.data;
    73→  }
    74→
    75→  /**
    76→   * Set data in cache
    77→   * Evicts oldest entry if at capacity
    78→   */
    79→  set(projectId: string, filename: string, data: Buffer): void {
    80→    const key = this.buildKey(projectId, filename);
    81→
    82→    // If key exists, delete it first (to update LRU order)
    83→    if (this.cache.has(key)) {
    84→      this.cache.delete(key);
    85→    }
    86→
    87→    // Evict oldest entry if at capacity
    88→    if (this.cache.size >= this.maxSize) {
    89→      const oldestKey = this.cache.keys().next().value;
    90→      if (oldestKey) {
    91→        this.cache.delete(oldestKey);
    92→        debugLog('ContentCache', 'set - evicted LRU entry', { evictedKey: oldestKey });
    93→      }
    94→    }
    95→
    96→    // Add new entry
    97→    this.cache.set(key, {
    98→      data,
    99→      timestamp: Date.now(),
   100→    });
   101→
   102→    debugLog('ContentCache', 'set', { projectId, filename, cacheSize: this.cache.size });
   103→  }
   104→
   105→  /**
   106→   * Invalidate a specific cache entry
   107→   */

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/cache/ContentCache.ts",
  "old_string": "  /**\n   * Invalidate a specific cache entry\n   */\n  invalidate(projectId: string, filename: string): void {\n    const key = this.buildKey(projectId, filename);\n    this.cache.delete(key);\n  }\n\n  /**\n   * Clear all cache entries\n   */\n  clear(): void {\n    this.cache.clear();\n  }\n\n  /**\n   * Get current cache size (for monitoring/debugging)\n   */\n  size(): number {\n    return this.cache.size;\n  }\n\n  /**\n   * Clean up expired entries (for optional background cleanup)\n   */\n  cleanup(): number {\n    let removed = 0;\n    for (const [key, entry] of this.cache.entries()) {\n      if (this.isExpired(entry)) {\n        this.cache.delete(key);\n        removed++;\n      }\n    }\n    return removed;\n  }\n}",
  "new_string": "  /**\n   * Invalidate a specific cache entry\n   */\n  invalidate(projectId: string, filename: string): void {\n    const key = this.buildKey(projectId, filename);\n    const existed = this.cache.has(key);\n    this.cache.delete(key);\n    debugLog('ContentCache', 'invalidate', { projectId, filename, existed });\n  }\n\n  /**\n   * Clear all cache entries\n   */\n  clear(): void {\n    const entriesCleared = this.cache.size;\n    this.cache.clear();\n    debugLog('ContentCache', 'clear', { entriesCleared });\n  }\n\n  /**\n   * Get current cache size (for monitoring/debugging)\n   */\n  size(): number {\n    return this.cache.size;\n  }\n\n  /**\n   * Clean up expired entries (for optional background cleanup)\n   */\n  cleanup(): number {\n    let removed = 0;\n    for (const [key, entry] of this.cache.entries()) {\n      if (this.isExpired(entry)) {\n        this.cache.delete(key);\n        removed++;\n      }\n    }\n    debugLog('ContentCache', 'cleanup', { entriesRemoved: removed });\n    return removed;\n  }\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/cache/ContentCache.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
   101→
   102→    debugLog('ContentCache', 'set', { projectId, filename, cacheSize: this.cache.size });
   103→  }
   104→
   105→  /**
   106→   * Invalidate a specific cache entry
   107→   */
   108→  invalidate(projectId: string, filename: string): void {
   109→    const key = this.buildKey(projectId, filename);
   110→    const existed = this.cache.has(key);
   111→    this.cache.delete(key);
   112→    debugLog('ContentCache', 'invalidate', { projectId, filename, existed });
   113→  }
   114→
   115→  /**
   116→   * Clear all cache entries
   117→   */
   118→  clear(): void {
   119→    const entriesCleared = this.cache.size;
   120→    this.cache.clear();
   121→    debugLog('ContentCache', 'clear', { entriesCleared });
   122→  }
   123→
   124→  /**
   125→   * Get current cache size (for monitoring/debugging)
   126→   */
   127→  size(): number {
   128→    return this.cache.size;
   129→  }
   130→
   131→  /**
   132→   * Clean up expired entries (for optional background cleanup)
   133→   */
   134→  cleanup(): number {
   135→    let removed = 0;
   136→    for (const [key, entry] of this.cache.entries()) {
   137→      if (this.isExpired(entry)) {
   138→        this.cache.delete(key);
   139→        removed++;
   140→      }
   141→    }
   142→    debugLog('ContentCache', 'cleanup', { entriesRemoved: removed });
   143→    return removed;
   144→  }
   145→}
   146→

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/context/createContext.ts",
  "old_string": "/**\n * Creates a request context based on JWT verification\n * Returns authenticated context on success, guest context on failure\n *\n * Graceful degradation: Auth failures or service errors result in guest context\n */\nexport async function createContext(options: CreateContextOptions): Promise<RequestContext> {\n  const { authHeader, authClient } = options;\n\n  // No auth header = guest user\n  if (!authHeader) {\n    return createGuestContext();\n  }",
  "new_string": "/**\n * Creates a request context based on JWT verification\n * Returns authenticated context on success, guest context on failure\n *\n * Graceful degradation: Auth failures or service errors result in guest context\n */\nexport async function createContext(options: CreateContextOptions): Promise<RequestContext> {\n  const { authHeader, authClient } = options;\n\n  // No auth header = guest user\n  if (!authHeader) {\n    debugLog('createContext', 'no auth header, returning guest context');\n    return createGuestContext();\n  }"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/context/createContext.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     7→  authHeader: string | undefined;
     8→  authClient: AuthClient;
     9→};
    10→
    11→/**
    12→ * Creates a request context based on JWT verification
    13→ * Returns authenticated context on success, guest context on failure
    14→ *
    15→ * Graceful degradation: Auth failures or service errors result in guest context
    16→ */
    17→export async function createContext(options: CreateContextOptions): Promise<RequestContext> {
    18→  const { authHeader, authClient } = options;
    19→
    20→  // No auth header = guest user
    21→  if (!authHeader) {
    22→    debugLog('createContext', 'no auth header, returning guest context');
    23→    return createGuestContext();
    24→  }
    25→
    26→  try {
    27→    // Verify token with cwc-auth
    28→    debugLog('createContext', 'Verifying token with cwc-auth...');

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/FetchApiV1/handleFileGet.ts",
  "old_string": "export async function handleFileGet(\n  config: CwcContentConfig,\n  logger: ILogger | undefined,\n  _req: Request,\n  res: Response,\n  parsed: ParsedPath\n): Promise<HandleFileGetResponse> {\n  let success = false;\n  const { projectId, filepath } = parsed;\n\n  // Fetch from cwc-storage binary endpoint\n  // cwc-storage FetchApiV1 path: /storage/v1/file/{projectId}/{filepath}\\\n  const storageUrl = `${config.storageUriInternal}/file/${projectId}/${encodeURIComponent(filepath)}`;\n\n  try {\n    // Construct the request to StorageApi\n    const storageResponse = await axios({",
  "new_string": "export async function handleFileGet(\n  config: CwcContentConfig,\n  logger: ILogger | undefined,\n  _req: Request,\n  res: Response,\n  parsed: ParsedPath\n): Promise<HandleFileGetResponse> {\n  let success = false;\n  const { projectId, filepath } = parsed;\n\n  debugLog('FetchApiV1', 'handleFileGet', { projectId, filepath });\n\n  // Fetch from cwc-storage binary endpoint\n  // cwc-storage FetchApiV1 path: /storage/v1/file/{projectId}/{filepath}\\\n  const storageUrl = `${config.storageUriInternal}/file/${projectId}/${encodeURIComponent(filepath)}`;\n\n  debugLog('FetchApiV1', 'handleFileGet - fetching from storage', { storageUrl });\n\n  try {\n    // Construct the request to StorageApi\n    const storageResponse = await axios({"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/FetchApiV1/handleFileGet.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    23→ * @param _req - Express request (unused but kept for signature consistency)
    24→ * @param res - Express response
    25→ * @param parsed - Validated path containing projectId and filepath
    26→ */
    27→export async function handleFileGet(
    28→  config: CwcContentConfig,
    29→  logger: ILogger | undefined,
    30→  _req: Request,
    31→  res: Response,
    32→  parsed: ParsedPath
    33→): Promise<HandleFileGetResponse> {
    34→  let success = false;
    35→  const { projectId, filepath } = parsed;
    36→
    37→  debugLog('FetchApiV1', 'handleFileGet', { projectId, filepath });
    38→
    39→  // Fetch from cwc-storage binary endpoint
    40→  // cwc-storage FetchApiV1 path: /storage/v1/file/{projectId}/{filepath}\
    41→  const storageUrl = `${config.storageUriInternal}/file/${projectId}/${encodeURIComponent(filepath)}`;
    42→
    43→  debugLog('FetchApiV1', 'handleFileGet - fetching from storage', { storageUrl });
    44→
    45→  try {
    46→    // Construct the request to StorageApi
    47→    const storageResponse = await axios({
    48→      method: 'get',
    49→      url: storageUrl,
    50→      headers: { 'x-api-key': config.secrets.storageApiKey },
    51→      responseType: 'stream', // tells axios to return a stream, not a buffer

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/FetchApiV1/handleFileGet.ts",
  "old_string": "    // pipe (forward) the data directly from StorageApi to the browser\n    storageResponse.data.pipe(res);\n    success = true;\n  } catch (error) {",
  "new_string": "    // pipe (forward) the data directly from StorageApi to the browser\n    storageResponse.data.pipe(res);\n    success = true;\n    debugLog('FetchApiV1', 'handleFileGet - success', { projectId, filepath });\n  } catch (error) {"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/src/apis/FetchApiV1/handleFileGet.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    53→
    54→    // set the correct headers so the browser recognizes it as an image
    55→    res.setHeader('Content-Type', storageResponse.headers['content-type']);
    56→
    57→    // pipe (forward) the data directly from StorageApi to the browser
    58→    storageResponse.data.pipe(res);
    59→    success = true;
    60→    debugLog('FetchApiV1', 'handleFileGet - success', { projectId, filepath });
    61→  } catch (error) {
    62→    success = false;
    63→    debugLog('FetchApiV1', 'handleFileGet - ERROR', { error: getErrorInfo(error) });
    64→
    65→    logger?.logError({

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  "todos": [
    {
      "content": "Add debugLog to cwc-sql selectHandler.ts",
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      "content": "Add debugLog to cwc-sql insertHandler.ts",
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      "content": "Add debugLog to cwc-sql deleteHandler.ts",
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      "content": "Add debugLog to cwc-sql executeOperation.ts",
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    {
      "content": "Add debugLog to cwc-sql generateSelect.ts",
      "status": "completed",
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    {
      "content": "Add debugLog to cwc-sql generateInsert.ts",
      "status": "completed",
      "activeForm": "Adding debugLog to generateInsert.ts"
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    {
      "content": "Add debugLog to cwc-sql generateUpdate.ts",
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    {
      "content": "Add debugLog to cwc-sql generateDelete.ts",
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      "content": "Add debugLog to cwc-sql generateCustom.ts",
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    {
      "content": "Add debugLog to cwc-sql validation.ts",
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    {
      "content": "Add debugLog to cwc-sql queryCache.ts",
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    {
      "content": "Add debugLog to cwc-content ContentHandler.ts gaps",
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    {
      "content": "Add debugLog to cwc-content ContentCache.ts",
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      "content": "Add debugLog to cwc-content handleFileGet.ts",
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    {
      "content": "Run typecheck to verify all changes compile",
      "status": "in_progress",
      "activeForm": "Running typecheck"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "command": "pnpm --filter cwc-sql typecheck && pnpm --filter cwc-content typecheck",
  "description": "Run typecheck on cwc-sql and cwc-content",
  "timeout": 120000
}

> cwc-sql@1.0.0 typecheck /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql
> tsc --noEmit


> cwc-content@1.0.0 typecheck /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content
> tsc --noEmit

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      "content": "Add debugLog to cwc-sql deleteHandler.ts",
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      "content": "Add debugLog to cwc-sql executeOperation.ts",
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Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

{
  "pattern": "debugLog|debug.*log",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude",
  "glob": "**/CLAUDE.md",
  "output_mode": "content",
  "-i": true
}

CLAUDE.md:1052:### debugLog Best Practices (CRITICAL)
CLAUDE.md:1054:**A thorough & permanent `debugLog` implementation is critical for troubleshooting.** Adding debug statements only when troubleshooting is counter-productive - you end up re-familiarizing yourself with all the code and finding the places involved in the issue. Then removing them after means repeating that process every time an issue comes up.
CLAUDE.md:1069:**Function signature:** `debugLog(context, message, data?)`
CLAUDE.md:1079:| Entry point (logging input) | Empty string `''` | `debugLog('verifyToken', '', { authHeader })` |
CLAUDE.md:1080:| Validation/condition failure | Descriptive message | `debugLog('verifyToken', 'Missing Authorization header')` |
CLAUDE.md:1081:| Sub-operation result | Operation name | `debugLog('verifyToken', 'jwt.verify', { decoded })` |
CLAUDE.md:1082:| Error case | `' - ERROR'` suffix | `debugLog('verifyToken', 'jwt.verify - ERROR', { error })` |
CLAUDE.md:1097:debugLog('CommandBuilder', '', { executeOptions });
CLAUDE.md:1100:debugLog('CommandBuilder', '', { userPkId, command: JSON.stringify(command, undefined, 2) });
CLAUDE.md:1103:debugLog('CommandBuilder', 'Validate request', 'Invalid request: missing command');
CLAUDE.md:1106:debugLog('CommandBuilder', 'execute', { results: JSON.stringify(results, undefined, 2) });
CLAUDE.md:1109:debugLog('CommandBuilder', 'ERROR', { error: getErrorInfo(error) });
CLAUDE.md:1110:debugLog('verifyToken', 'jwt.verify - ERROR', { error: getErrorInfo(error) });
packages/cwc-backend-utils/CLAUDE.md:555:- **Debug mode only:** logInformation and logDebug output
packages/cwc-api/CLAUDE.md:640:| `createMockLogger()`                                 | ILogger mock with logDebug, logError, logInformation      |

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/CLAUDE.md"
}

     1→# cwc-sql Package
     2→
     3→Database access layer microservice. **CRITICAL:** The ONLY service that directly interacts with MariaDB database.
     4→
     5→## Critical Architecture Rule
     6→
     7→**Single Database Access Point:**
     8→- All backend services (cwc-api, cwc-auth, cwc-admin-api) MUST use SqlClient HTTP client
     9→- NEVER import MariaDB or execute SQL from other packages
    10→- All database operations flow through cwc-sql via POST /data/v1/command
    11→
    12→## Security Rules - ALWAYS Enforce
    13→
    14→**SQL Injection Prevention:**
    15→- ✅ ALWAYS use named placeholders (`:paramName`)
    16→- ✅ ALWAYS validate table/column names against schema before SQL generation
    17→- ✅ ALWAYS use `multipleStatements: false` in connection pool
    18→- ❌ NEVER use string concatenation for SQL
    19→- ❌ NEVER use positional placeholders (`?`)
    20→- ❌ NEVER allow semicolons in custom SQL
    21→
    22→**Schema Validation:**
    23→- Call `validateTable(tableName)` before generating ANY SQL
    24→- Call `validateColumn(schema, columnName)` for each field reference
    25→- Reject operations if table/column not in cwc-schema
    26→- This prevents SQL injection via invalid identifiers
    27→
    28→**Required Filters:**
    29→- UPDATE operations MUST have non-empty `filters` (prevent full-table update)
    30→- DELETE operations MUST have non-empty `filters` (prevent full-table delete)
    31→- Throw error if filters missing/empty
    32→
    33→**Primary Key Protection:**
    34→- NEVER allow updating the primary key column
    35→- Check `schema.pkid` and reject if in UPDATE values
    36→- Example: Cannot update `userPkId` on user table
    37→
    38→## Connection Pool Rules
    39→
    40→**Always Release Connections:**
    41→```typescript
    42→const conn = await pool.getConnection();
    43→try {
    44→  // Execute operations
    45→} finally {
    46→  conn.release();  // ALWAYS in finally block
    47→}
    48→```
    49→
    50→**Transaction Pattern:**
    51→```typescript
    52→await conn.beginTransaction();
    53→try {
    54→  // Execute operations
    55→  await conn.commit();
    56→} catch (error) {
    57→  await conn.rollback();
    58→  throw error;
    59→} finally {
    60→  conn.release();
    61→}
    62→```
    63→
    64→## SQL Generation Patterns
    65→
    66→**SELECT with tableCount:**
    67→- When `operation.tableCount === true`, generate COUNT query
    68→- Count AFTER filters are applied (not total table count)
    69→- Return: `{ rows: [...], count: N }`
    70→
    71→**Array Filters (IN clause):**
    72→- When filter value is array: `userPkId IN (:userPkId_in)`
    73→- When array is empty: `1 = 0` (no matches)
    74→- Use `_in` suffix for param name to avoid conflicts
    75→
    76→**Named vs Positional Params:**
    77→- UPDATE: prefix SET params with `set_`, WHERE params with `where_`
    78→- Example: `SET email = :set_email WHERE userPkId = :where_userPkId`
    79→- Prevents param name collisions
    80→
    81→## Cache Invalidation Strategy
    82→
    83→**Table-Specific, Not Global:**
    84→- INSERT/UPDATE/DELETE on table X → invalidate ALL cache entries for table X only
    85→- Custom SQL: Track all tables in `customTables` array
    86→- QueryCache maintains `Map<tableName, Set<cacheKeys>>`
    87→- NEVER clear entire cache on mutation (too expensive)
    88→
    89→**What Gets Cached:**
    90→- ✅ SELECT operations only
    91→- ❌ NOT mutations (INSERT/UPDATE/DELETE)
    92→- ❌ NOT queries inside transactions
    93→
    94→## Error Logging Pattern
    95→
    96→**Direct DB Write (No SqlClient):**
    97→- Logger from cwc-backend-utils uses SqlClient internally
    98→- cwc-sql IS the SqlClient service → circular dependency
    99→- Solution: Write directly to errorLog table using connection pool
   100→- Function: `logErrorToDatabase(error, codeLocation, clientName, config)`
   101→- NEVER use Logger class in cwc-sql
   102→
   103→## Critical Bugs to Avoid
   104→
   105→**Environment Variables:**
   106→- Use `'dev'` not `'development'` (matches RuntimeEnvironment type)
   107→- Use `'prod'` not `'production'`
   108→- Use `process.env['VAR_NAME']` bracket notation (not dot notation)
   109→
   110→**MariaDB Connection Pool:**
   111→- SSL config must use conditional spread: `...(useSSL && { ssl: {...} })`
   112→- Don't set `ssl: undefined` (causes type error with exactOptionalPropertyTypes)
   113→- MariaDB pools don't emit 'error' events (don't add listener)
   114→
   115→**Type Safety:**
   116→- Extend Express.Request in global namespace, not express-serve-static-core
   117→- Use `as SqlClient*Response` cast when returning operation results (Record → Union type)
   118→
   119→## Configuration
   120→
   121→**Required Environment Variables:**
   122→```bash
   123→RUNTIME_ENVIRONMENT=dev  # dev | test | prod | unit | e2e
   124→SERVICE_PORT=5020
   125→DATABASE_SERVER=localhost
   126→DATABASE_PORT=3306
   127→DATABASE_NAME=cwc
   128→DATABASE_USER=cwc_user
   129→DATABASE_PASSWORD=password
   130→DATABASE_CONNECT_TIMEOUT=10000
   131→DATABASE_CONNECTION_ACQUIRE_TIMEOUT=30000
   132→DATABASE_CONNECTION_QUEUE_LIMIT=1000
   133→DATABASE_CONNECTION_LIMIT=20
   134→DEBUG_MODE=ON  # ON | OFF
   135→LOG_ERRORS_TO_DATABASE=ON
   136→QUERY_CACHE_ENABLED=ON
   137→QUERY_CACHE_TTL=5  # minutes
   138→QUERY_CACHE_MAX_KEYS=1000
   139→```
   140→
   141→**Key Parsing Rules:**
   142→- Booleans: ON/OFF or TRUE/FALSE (case insensitive)
   143→- Numbers: Validate > 0 for timeouts, limits, TTL
   144→- Port: Validate 1-65535 range
   145→
   146→**SQL Client API Key:**
   147→- Public key is read from `.pem` file, NOT from environment variables
   148→- Path: `{secretsPath}/sql-client-api-keys/{environment}.sql-client-api-jwt-public.pem`
   149→- Loaded by `loadSqlClientApiKey()` in `loadConfig.ts`
   150→
   151→## Related Packages
   152→
   153→- **cwc-backend-utils:** Provides SqlClient, loadDotEnv, createExpressService
   154→- **cwc-schema:** Provides getSchema for validation
   155→- **cwc-types:** Provides RuntimeEnvironment type
   156→- **mariadb:** Database driver
   157→- **node-cache:** Query caching
   158→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-content/CLAUDE.md"
}

     1→# cwc-content Package
     2→
     3→Content delivery service for any cwc data stored via cwc-storage. Acts as an authenticated proxy between cwc-website and cwc-storage, with in-memory caching for recently accessed files.
     4→
     5→## Architecture
     6→
     7→**Database Access for Security:**
     8→
     9→- Uses SqlClient to verify session published status before serving data
    10→- Uses Logger for database error logging
    11→- GET operations check if session is published before serving to non-owners
    12→- This prevents enumeration attacks on unpublished sessions with predictable IDs
    13→
    14→**Thin Proxy with Auth:**
    15→
    16→- Uses AuthClient from `cwc-backend-utils` to verify JWTs
    17→- Uses StorageClient from `cwc-backend-utils` to communicate with cwc-storage
    18→- Maintains LRU cache with TTL for frequently accessed session data
    19→
    20→**Layered Architecture:**
    21→
    22→```
    23→Request → RequestHandler → ContentHandler → StorageClient → cwc-storage
    24→                                   ↓
    25→                              ContentCache
    26→```
    27→
    28→## Request Pipeline
    29→
    30→1. Express routes receive incoming HTTP requests
    31→2. RequestHandler extracts JWT from Authorization header
    32→3. JWT validated → authenticated context; No JWT → guest context
    33→4. Route-level access policy checked
    34→5. ContentHandler executes operation (get/put/delete)
    35→6. For GET: Check cache first, then fetch from storage
    36→7. For PUT/DELETE: Invalidate cache, forward to storage
    37→8. Response returned
    38→
    39→## Access Control
    40→
    41→**Role Hierarchy:**
    42→
    43→```
    44→guest-user = logged-on-user < project-owner
    45→```
    46→
    47→| Role             | GET | PUT | DELETE |
    48→| ---------------- | --- | --- | ------ |
    49→| `guest-user`     | ✅  | ❌  | ❌     |
    50→| `logged-on-user` | ✅  | ❌  | ❌     |
    51→| `project-owner`  | ✅  | ✅  | ✅     |
    52→
    53→**Security for GET operations:** For `getCodingSession`, cwc-content verifies the session's published status via SqlClient:
    54→
    55→- **Published sessions:** Anyone can access
    56→- **Unpublished sessions:** Only project-owner can access
    57→- Non-owners requesting unpublished sessions receive 404 (not 403) to prevent enumeration
    58→
    59→**Note:** `guest-user` and `logged-on-user` have identical access in cwc-content.
    60→
    61→**Ownership Verification (at route level):**
    62→
    63→For `project-owner` routes (PUT and DELETE), `checkRouteAccess` verifies:
    64→
    65→1. User is authenticated
    66→2. `projectId` from request payload exists in `context.ownedProjects` (from JWT claims)
    67→
    68→This differs from cwc-api which verifies ownership at operation level (because cwc-api uses `projectPkId` requiring a database lookup). cwc-content receives `projectId` directly, so ownership can be verified at route level without database access.
    69→
    70→## API Routes
    71→
    72→**Base Path:** `/content/v1`
    73→
    74→| Route                    | Method | Access        | Description         |
    75→| ------------------------ | ------ | ------------- | ------------------- |
    76→| `/coding-session/get`    | POST   | guest-user    | Fetch session data  |
    77→| `/coding-session/put`    | POST   | project-owner | Upload session data |
    78→| `/coding-session/delete` | POST   | project-owner | Delete session data |
    79→
    80→**Payload Formats:**
    81→
    82→```typescript
    83→// GET Request
    84→{
    85→  projectId: string; // Natural key (e.g., "coding-with-claude")
    86→  filename: string; // From codingSession.storageKey
    87→}
    88→
    89→// PUT Request
    90→{
    91→  projectId: string;
    92→  filename: string;
    93→  data: string; // Base64-encoded gzipped CwcSessionData
    94→}
    95→
    96→// DELETE Request
    97→{
    98→  projectId: string;
    99→  filename: string;
   100→}
   101→```
   102→
   103→## Cache Design
   104→
   105→**ContentCache (LRU with TTL):**
   106→
   107→- Enabled: configurable via `CONTENT_CACHE_ENABLED` (default: true)
   108→- Max entries: 100 (configurable via `CONTENT_CACHE_MAX_SIZE`)
   109→- TTL: 5 minutes (configurable via `CONTENT_CACHE_TTL_MS`)
   110→- Cache key: `${projectId}:${filename}`
   111→
   112→**Invalidation:**
   113→
   114→- PUT: Invalidate entry (new data replaces cached)
   115→- DELETE: Invalidate entry
   116→- TTL expiry: Lazy eviction on next access
   117→
   118→## Configuration
   119→
   120→**Required Environment Variables:**
   121→
   122→```bash
   123→RUNTIME_ENVIRONMENT=dev
   124→SERVICE_PORT=5008
   125→CORS_ORIGIN=http://localhost:5173
   126→AUTH_URI_INTERNAL=http://localhost:5005/auth/v1
   127→STORAGE_URI_INTERNAL=http://localhost:5030/storage/v1
   128→DATA_URI_INTERNAL=http://localhost:5020/data/v1
   129→DATA_URI_EXTERNAL=http://localhost:5020/data/v1
   130→STORAGE_API_KEY=<secret>
   131→RATE_LIMITER_POINTS=15
   132→RATE_LIMITER_DURATION=1
   133→DEBUG_MODE=ON
   134→LOG_ERRORS_TO_DATABASE=ON
   135→CONTENT_CACHE_ENABLED=ON
   136→CONTENT_CACHE_MAX_SIZE=100
   137→CONTENT_CACHE_TTL_MS=300000
   138→```
   139→
   140→**DATA_URI_INTERNAL:** Used for SqlClient to verify session published status via cwc-sql.
   141→**DATA_URI_EXTERNAL:** Available for future cross-server deployment scenarios.
   142→**LOG_ERRORS_TO_DATABASE:** Enables database error logging via Logger.
   143→
   144→## Data Flow
   145→
   146→**GET Request Flow:**
   147→
   148→```
   149→1. cwc-website calls cwc-api to get codingSession metadata (includes storageKey)
   150→2. cwc-website → POST /content/v1/coding-session/get { projectId, filename }
   151→3. RequestHandler: Extract JWT, create context, check route access (guest-user OK)
   152→4. ContentHandler:
   153→   a. Check cache → hit? Return cached data
   154→   b. Call StorageClient.getFile(projectId, filename)
   155→   c. Cache response
   156→5. Response: { success: true, data: <base64 string> }
   157→```
   158→
   159→**PUT Request Flow:**
   160→
   161→```
   162→1. cwc-website → POST /content/v1/coding-session/put { projectId, filename, data }
   163→2. RequestHandler: Extract JWT, check route access (includes ownership verification)
   164→3. ContentHandler:
   165→   a. Call StorageClient.putFile(projectId, filename, data, fileEncoding)
   166→   b. Invalidate cache entry
   167→4. Response: { success: true, filename }
   168→5. cwc-website calls cwc-api to update codingSession metadata
   169→```
   170→
   171→## Response Pattern
   172→
   173→**Standard Response Envelope:**
   174→
   175→```typescript
   176→// Success (GET)
   177→{
   178→  success: true,
   179→  data: string  // Base64-encoded file contents
   180→}
   181→
   182→// Success (PUT/DELETE)
   183→{
   184→  success: true,
   185→  filename: string
   186→}
   187→
   188→// Error
   189→{
   190→  success: false,
   191→  errorCode: 'ERROR_CODE',
   192→  errorMessage: 'Human-readable message'
   193→}
   194→```
   195→
   196→## Error Codes
   197→
   198→| Error Code         | HTTP Status | Description             |
   199→| ------------------ | ----------- | ----------------------- |
   200→| `UNAUTHORIZED`     | 401         | Missing or invalid JWT  |
   201→| `FORBIDDEN`        | 403         | Not project owner       |
   202→| `NOT_FOUND`        | 404         | File not in storage     |
   203→| `VALIDATION_ERROR` | 400         | Invalid payload         |
   204→| `STORAGE_ERROR`    | 500         | Storage service failure |
   205→
   206→## Related Packages
   207→
   208→**Depends On:**
   209→
   210→- `cwc-backend-utils` (workspace) - AuthClient, StorageClient, SqlClient, Logger, Express service factory
   211→- `cwc-types` (workspace) - Type definitions
   212→
   213→**Coordinates With:**
   214→
   215→- `cwc-auth` - JWT validation
   216→- `cwc-storage` - File storage operations
   217→- `cwc-sql` - Published status verification (via SqlClient)
   218→- `cwc-api` - Provides storageKey to cwc-website
   219→
   220→**Consumed By:**
   221→
   222→- `cwc-website` - Frontend web application
   223→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/CLAUDE.md",
  "offset": 1045,
  "limit": 80
}

  1045→1. **Summarize all agreed changes** in a checklist format
  1046→2. **Ask for explicit approval** to proceed: "Ready to implement these changes?"
  1047→3. **Proceed with implementation** in logical groups
  1048→4. **Update documentation** if patterns/learnings emerged during review
  1049→
  1050→**Session 010 Learning:** This pattern was established after Claude Code incorrectly presented all 14 review points at once despite clear request for step-by-step discussion. This made it difficult for the developer to engage in focused discussion on individual points.
  1051→
  1052→### debugLog Best Practices (CRITICAL)
  1053→
  1054→**A thorough & permanent `debugLog` implementation is critical for troubleshooting.** Adding debug statements only when troubleshooting is counter-productive - you end up re-familiarizing yourself with all the code and finding the places involved in the issue. Then removing them after means repeating that process every time an issue comes up.
  1055→
  1056→**What to log:**
  1057→
  1058→- Arguments passed to a function (at entry point)
  1059→- Values received from a function call
  1060→- Inside if blocks/condition checks that lead to access-denied, failure, or significant code paths
  1061→- Errors in try-catch blocks - log immediately in the function where the error occurred
  1062→
  1063→**What NOT to log (no debugging value):**
  1064→
  1065→- ❌ `Processing command with ${command.operations.length} operations`
  1066→- ❌ `Transaction: ${command.transaction}`
  1067→- ❌ `Command completed in ${executionTime}ms`
  1068→
  1069→**Function signature:** `debugLog(context, message, data?)`
  1070→
  1071→**Context naming convention:** Use the function or handler name:
  1072→
  1073→- `'CommandBuilder'`, `'verifyToken'`, `'ContentHandler'`, `'createContext'`
  1074→
  1075→**Message conventions:**
  1076→
  1077→| Scenario | Message Pattern | Example |
  1078→|----------|-----------------|---------|
  1079→| Entry point (logging input) | Empty string `''` | `debugLog('verifyToken', '', { authHeader })` |
  1080→| Validation/condition failure | Descriptive message | `debugLog('verifyToken', 'Missing Authorization header')` |
  1081→| Sub-operation result | Operation name | `debugLog('verifyToken', 'jwt.verify', { decoded })` |
  1082→| Error case | `' - ERROR'` suffix | `debugLog('verifyToken', 'jwt.verify - ERROR', { error })` |
  1083→
  1084→**Formatting best practices:**
  1085→
  1086→- Use object notation: `{ key: value }` for structured data
  1087→- Use `JSON.stringify(obj, undefined, 2)` for nested/complex objects (pretty-print with 2-space indent)
  1088→- Use `getErrorInfo(error)` for error objects - extracts useful info without crashing
  1089→- Avoid logging Express request/response objects (they're huge and mostly useless)
  1090→- NEVER attempt to log Express request/response to the database - this usually crashes the service
  1091→- Never log `config.secrets` - these values are always REDACTED
  1092→
  1093→**Examples:**
  1094→
  1095→```typescript
  1096→// Entry point - log input arguments
  1097→debugLog('CommandBuilder', '', { executeOptions });
  1098→
  1099→// After receiving a value
  1100→debugLog('CommandBuilder', '', { userPkId, command: JSON.stringify(command, undefined, 2) });
  1101→
  1102→// Validation failure
  1103→debugLog('CommandBuilder', 'Validate request', 'Invalid request: missing command');
  1104→
  1105→// Operation result
  1106→debugLog('CommandBuilder', 'execute', { results: JSON.stringify(results, undefined, 2) });
  1107→
  1108→// Error case - always use getErrorInfo()
  1109→debugLog('CommandBuilder', 'ERROR', { error: getErrorInfo(error) });
  1110→debugLog('verifyToken', 'jwt.verify - ERROR', { error: getErrorInfo(error) });
  1111→```
  1112→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "pattern": "debugLog",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/CLAUDE.md",
  "output_mode": "content",
  "-C": 3
}

1049-
1050-**Session 010 Learning:** This pattern was established after Claude Code incorrectly presented all 14 review points at once despite clear request for step-by-step discussion. This made it difficult for the developer to engage in focused discussion on individual points.
1051-
1052:### debugLog Best Practices (CRITICAL)
1053-
1054:**A thorough & permanent `debugLog` implementation is critical for troubleshooting.** Adding debug statements only when troubleshooting is counter-productive - you end up re-familiarizing yourself with all the code and finding the places involved in the issue. Then removing them after means repeating that process every time an issue comes up.
1055-
1056-**What to log:**
1057-
--
1066-- ❌ `Transaction: ${command.transaction}`
1067-- ❌ `Command completed in ${executionTime}ms`
1068-
1069:**Function signature:** `debugLog(context, message, data?)`
1070-
1071-**Context naming convention:** Use the function or handler name:
1072-
--
1076-
1077-| Scenario | Message Pattern | Example |
1078-|----------|-----------------|---------|
1079:| Entry point (logging input) | Empty string `''` | `debugLog('verifyToken', '', { authHeader })` |
1080:| Validation/condition failure | Descriptive message | `debugLog('verifyToken', 'Missing Authorization header')` |
1081:| Sub-operation result | Operation name | `debugLog('verifyToken', 'jwt.verify', { decoded })` |
1082:| Error case | `' - ERROR'` suffix | `debugLog('verifyToken', 'jwt.verify - ERROR', { error })` |
1083-
1084-**Formatting best practices:**
1085-
--
1094-
1095-```typescript
1096-// Entry point - log input arguments
1097:debugLog('CommandBuilder', '', { executeOptions });
1098-
1099-// After receiving a value
1100:debugLog('CommandBuilder', '', { userPkId, command: JSON.stringify(command, undefined, 2) });
1101-
1102-// Validation failure
1103:debugLog('CommandBuilder', 'Validate request', 'Invalid request: missing command');
1104-
1105-// Operation result
1106:debugLog('CommandBuilder', 'execute', { results: JSON.stringify(results, undefined, 2) });
1107-
1108-// Error case - always use getErrorInfo()
1109:debugLog('CommandBuilder', 'ERROR', { error: getErrorInfo(error) });
1110:debugLog('verifyToken', 'jwt.verify - ERROR', { error: getErrorInfo(error) });
1111-```

{
  "file_path": "/Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md"
}

     1→# Plan: Add Comprehensive debugLog to cwc-sql and cwc-content
     2→
     3→## Goal
     4→Add useful, actionable debugLog statements to functions that do work or make decisions.
     5→
     6→## Summary
     7→
     8→| Package | Files to Update | Current Coverage |
     9→|---------|-----------------|------------------|
    10→| cwc-sql | 12 files | ~5.6% |
    11→| cwc-content | 4 files | ~60% (gaps in ContentHandler, ContentCache) |
    12→
    13→**Total: 16 files to update**
    14→
    15→## Key Pattern: Useful Logging
    16→
    17→**BAD (not useful):**
    18→```typescript
    19→debugLog('selectHandler', 'Cache hit');
    20→```
    21→
    22→**GOOD (useful - includes identifying data):**
    23→```typescript
    24→debugLog('selectHandler', 'found cached result', {
    25→  table: operation.table,
    26→  filterCount: Object.keys(operation.filters || {}).length
    27→});
    28→```
    29→
    30→**Rules:**
    31→1. Always include identifying keys/data (table name, operation type, key values)
    32→2. Use descriptive action phrases: "found cached result", "generated SQL", "validation failed"
    33→3. Log at decision points (if/else branches, validation results, errors)
    34→4. Use getErrorInfo(error) for error objects
    35→
    36→---
    37→
    38→# cwc-sql (12 files)
    39→
    40→## Current Coverage: ~5.6%
    41→
    42→Only `verifyToken.ts` and `commandHandler.ts` have debugLog.
    43→
    44→## Files to Update
    45→
    46→### Priority 1: Operation Handlers
    47→
    48→**`src/handlers/selectHandler.ts`**
    49→- Entry: `debugLog('selectHandler', '', { table, hasCustom, hasFilters })`
    50→- Cache check: `debugLog('selectHandler', 'cache hit/miss', { table, cacheKey })`
    51→- SQL generated: `debugLog('selectHandler', 'executing query', { sql: sanitized })`
    52→- Result: `debugLog('selectHandler', 'query complete', { rowCount })`
    53→
    54→**`src/handlers/insertHandler.ts`**
    55→- Entry: `debugLog('insertHandler', '', { table, valueCount })`
    56→- Cache invalidation: `debugLog('insertHandler', 'invalidated cache', { table })`
    57→- Result: `debugLog('insertHandler', 'insert complete', { insertId })`
    58→
    59→**`src/handlers/updateHandler.ts`**
    60→- Entry: `debugLog('updateHandler', '', { table, filterCount })`
    61→- Cache invalidation: `debugLog('updateHandler', 'invalidated cache', { table })`
    62→- Result: `debugLog('updateHandler', 'update complete', { changedRows })`
    63→
    64→**`src/handlers/deleteHandler.ts`**
    65→- Entry: `debugLog('deleteHandler', '', { table, filterCount })`
    66→- Cache invalidation: `debugLog('deleteHandler', 'invalidated cache', { table })`
    67→- Result: `debugLog('deleteHandler', 'delete complete', { affectedRows })`
    68→
    69→**`src/handlers/executeOperation.ts`**
    70→- Routing: `debugLog('executeOperation', '', { operationType, table })`
    71→
    72→### Priority 2: SQL Generation
    73→
    74→**`src/sql/generateSelect.ts`**
    75→- Entry: `debugLog('generateSelect', '', { table, hasCustom })`
    76→- Validation: `debugLog('generateSelect', 'validated table', { table })`
    77→- Complex clauses: `debugLog('generateSelect', 'built WHERE clause', { filterCount })`
    78→
    79→**`src/sql/generateInsert.ts`**
    80→- Entry: `debugLog('generateInsert', '', { table, columnCount })`
    81→- Validation results: `debugLog('generateInsert', 'validated values', { table })`
    82→- Timestamp injection: `debugLog('generateInsert', 'added timestamps', { columns })`
    83→
    84→**`src/sql/generateUpdate.ts`**
    85→- Entry: `debugLog('generateUpdate', '', { table, setCount, filterCount })`
    86→- Safety check: `debugLog('generateUpdate', 'requireFilters passed', { filterCount })`
    87→
    88→**`src/sql/generateDelete.ts`**
    89→- Entry: `debugLog('generateDelete', '', { table, filterCount })`
    90→- Safety check: `debugLog('generateDelete', 'requireFilters passed', { filterCount })`
    91→
    92→**`src/sql/generateCustom.ts`**
    93→- Entry: `debugLog('generateCustom', '', { tableCount, paramCount })`
    94→- Validation: `debugLog('generateCustom', 'validated placeholders', { valid })`
    95→
    96→### Priority 3: Validation Functions
    97→
    98→**`src/sql/validation.ts`**
    99→- validateTable: `debugLog('validation', 'validateTable', { table, found })`
   100→- validateColumns: `debugLog('validation', 'validateColumns', { table, columnCount, valid })`
   101→- requireFilters: `debugLog('validation', 'requireFilters', { hasFilters })`
   102→
   103→### Priority 4: Cache Functions
   104→
   105→**`src/cache/queryCache.ts`**
   106→- Replace existing console.log with debugLog
   107→- get(): `debugLog('queryCache', 'get', { table, cacheKey, found })`
   108→- set(): `debugLog('queryCache', 'set', { table, cacheKey })`
   109→- invalidateTable(): `debugLog('queryCache', 'invalidateTable', { table, keysRemoved })`
   110→
   111→---
   112→
   113→# cwc-content Gaps
   114→
   115→## Files with Good Coverage (no changes needed)
   116→- `RequestHandler.ts` - comprehensive ✅
   117→- `checkRouteAccess.ts` - comprehensive ✅
   118→
   119→## Files to Update
   120→
   121→### `src/apis/ContentApiV1/ContentHandler.ts`
   122→
   123→**`putCodingSession` - MISSING ALL debugLog:**
   124→```typescript
   125→// Entry
   126→debugLog('ContentHandler', 'putCodingSession', { projectId, filename });
   127→
   128→// Validation failure
   129→debugLog('ContentHandler', 'putCodingSession - validation failed', {
   130→  hasProjectId: !!projectId, hasFilename: !!filename, hasData: !!data
   131→});
   132→
   133→// Before storage call
   134→debugLog('ContentHandler', 'putCodingSession - uploading to storage', { projectId, filename });
   135→
   136→// Storage error
   137→debugLog('ContentHandler', 'putCodingSession - storage error', { projectId, filename });
   138→
   139→// Success
   140→debugLog('ContentHandler', 'putCodingSession - success', { projectId, filename });
   141→```
   142→
   143→**`deleteCodingSession` - MISSING ALL debugLog:**
   144→```typescript
   145→// Entry
   146→debugLog('ContentHandler', 'deleteCodingSession', { projectId, filename });
   147→
   148→// Validation failure
   149→debugLog('ContentHandler', 'deleteCodingSession - validation failed', {
   150→  hasProjectId: !!projectId, hasFilename: !!filename
   151→});
   152→
   153→// Before storage call
   154→debugLog('ContentHandler', 'deleteCodingSession - deleting from storage', { projectId, filename });
   155→
   156→// Storage errors
   157→debugLog('ContentHandler', 'deleteCodingSession - FILE_NOT_FOUND', { projectId, filename });
   158→debugLog('ContentHandler', 'deleteCodingSession - storage error', { projectId, filename });
   159→
   160→// Success
   161→debugLog('ContentHandler', 'deleteCodingSession - success', { projectId, filename });
   162→```
   163→
   164→**`getCodingSession` - GAPS:**
   165→```typescript
   166→// Before storage fetch (line ~170)
   167→debugLog('ContentHandler', 'getCodingSession - fetching from storage', { projectId, filename });
   168→
   169→// Storage FILE_NOT_FOUND (line ~174)
   170→debugLog('ContentHandler', 'getCodingSession - FILE_NOT_FOUND', { projectId, filename });
   171→
   172→// Storage generic error (line ~181)
   173→debugLog('ContentHandler', 'getCodingSession - storage error', { projectId, filename });
   174→
   175→// Success (line ~197)
   176→debugLog('ContentHandler', 'getCodingSession - success', { projectId, filename });
   177→```
   178→
   179→### `src/cache/ContentCache.ts` - NO debugLog (0%)
   180→
   181→```typescript
   182→// get() - cache lookup
   183→debugLog('ContentCache', 'get', { projectId, filename, found: !!entry });
   184→
   185→// get() - expired eviction
   186→debugLog('ContentCache', 'get - evicted expired entry', { projectId, filename });
   187→
   188→// set() - adding to cache
   189→debugLog('ContentCache', 'set', { projectId, filename, cacheSize: this.cache.size });
   190→
   191→// set() - LRU eviction
   192→debugLog('ContentCache', 'set - evicted LRU entry', { evictedKey: oldestKey });
   193→
   194→// invalidate()
   195→debugLog('ContentCache', 'invalidate', { projectId, filename });
   196→
   197→// cleanup()
   198→debugLog('ContentCache', 'cleanup', { entriesRemoved: removed });
   199→```
   200→
   201→### `src/context/createContext.ts` - MINOR GAPS
   202→
   203→```typescript
   204→// No auth header case (line ~21)
   205→debugLog('createContext', 'no auth header, returning guest context');
   206→```
   207→
   208→### `src/apis/FetchApiV1/handleFileGet.ts` - GAPS
   209→
   210→```typescript
   211→// Entry
   212→debugLog('FetchApiV1', 'handleFileGet', { projectId, filepath });
   213→
   214→// Before storage call
   215→debugLog('FetchApiV1', 'handleFileGet - fetching from storage', { storageUrl });
   216→
   217→// Success
   218→debugLog('FetchApiV1', 'handleFileGet - success', { projectId, filepath });
   219→```
   220→
   221→---
   222→
   223→## Implementation Notes
   224→
   225→**cwc-sql:**
   226→- Import debugLog from '../debugLog' in each file
   227→- Don't log sensitive data (passwords, tokens) - only structural info
   228→- Don't log full SQL statements - log table names and counts instead
   229→- Use getErrorInfo(error) in catch blocks
   230→
   231→**cwc-content:**
   232→- Import debugLog from '../../utils' (already available in most files)
   233→- Always include projectId and filename for cache/storage operations
   234→- Use getErrorInfo(error) for error objects
   235→
   236→## Files to Modify (Complete List)
   237→
   238→**cwc-sql (12 files):**
   239→1. `packages/cwc-sql/src/handlers/selectHandler.ts`
   240→2. `packages/cwc-sql/src/handlers/insertHandler.ts`
   241→3. `packages/cwc-sql/src/handlers/updateHandler.ts`
   242→4. `packages/cwc-sql/src/handlers/deleteHandler.ts`
   243→5. `packages/cwc-sql/src/handlers/executeOperation.ts`
   244→6. `packages/cwc-sql/src/sql/generateSelect.ts`
   245→7. `packages/cwc-sql/src/sql/generateInsert.ts`
   246→8. `packages/cwc-sql/src/sql/generateUpdate.ts`
   247→9. `packages/cwc-sql/src/sql/generateDelete.ts`
   248→10. `packages/cwc-sql/src/sql/generateCustom.ts`
   249→11. `packages/cwc-sql/src/sql/validation.ts`
   250→12. `packages/cwc-sql/src/cache/queryCache.ts`
   251→
   252→**cwc-content (4 files):**
   253→13. `packages/cwc-content/src/apis/ContentApiV1/ContentHandler.ts`
   254→14. `packages/cwc-content/src/cache/ContentCache.ts`
   255→15. `packages/cwc-content/src/context/createContext.ts`
   256→16. `packages/cwc-content/src/apis/FetchApiV1/handleFileGet.ts`
   257→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

The file /Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→# Plan: debugLog Documentation Update
     2→
     3→## Status: Implementation COMPLETE ✅
     4→
     5→All 16 files in cwc-sql and cwc-content have been updated with debugLog statements.
     6→
     7→## Remaining Task: Documentation Update
     8→
     9→**Problem identified:** The root CLAUDE.md debugLog section (lines 1052-1111) is missing the CRITICAL principle that makes logs useful:
    10→
    11→> **Always include identifying data** (table names, projectId, filename, counts) so logs are actionable.
    12→
    13→**Current documentation gap:**
    14→- Shows function signature: `debugLog(context, message, data?)`
    15→- Shows entry/error patterns
    16→- Does NOT emphasize that logs must include identifying keys
    17→
    18→**Documentation updates needed:**
    19→
    20→### 1. Update root CLAUDE.md (debugLog Best Practices section)
    21→
    22→Add "Identifying Data Requirement" as a critical rule:
    23→
    24→```typescript
    25→// ❌ NOT USEFUL - no identifying data
    26→debugLog('selectHandler', 'cache hit');
    27→
    28→// ✅ USEFUL - includes table name, filter count
    29→debugLog('selectHandler', 'cache hit', { table, filterCount });
    30→```
    31→
    32→Key data to always include:
    33→- `table` for SQL operations
    34→- `projectId` and `filename` for content/storage operations
    35→- `count` values (filterCount, rowCount, cacheSize)
    36→- Identifying keys from the operation
    37→
    38→### 2. Assessment of Implementation
    39→
    40→**Effectiveness:** HIGH - The implemented logging will make debugging efficient because:
    41→- Every log includes identifying data to trace specific operations
    42→- Entry points log inputs, completion logs outputs
    43→- Cache operations show hit/miss with keys
    44→- Error cases use getErrorInfo() for structured error data
    45→
    46→**Potential concern:** Some functions have entry + routing + completion logs which could be verbose, but this is acceptable because:
    47→- debugMode must be ON to see any logs
    48→- Verbose is better than missing context during debugging
    49→- The alternative (adding logs during debugging) is worse
    50→
    51→## Key Pattern: Useful Logging
    52→
    53→**BAD (not useful):**

The file /Users/jeffbazinet/.claude/plans/whimsical-hopping-sparkle.md has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
    47→- debugMode must be ON to see any logs
    48→- Verbose is better than missing context during debugging
    49→- The alternative (adding logs during debugging) is worse
    50→
    51→---
    52→
    53→## Files Updated (for reference)
    54→
    55→**cwc-sql (12 files):** selectHandler.ts, insertHandler.ts, updateHandler.ts, deleteHandler.ts, executeOperation.ts, generateSelect.ts, generateInsert.ts, generateUpdate.ts, generateDelete.ts, generateCustom.ts, validation.ts, queryCache.ts
    56→
    57→**cwc-content (4 files):** ContentHandler.ts, ContentCache.ts, createContext.ts, handleFileGet.ts
    58→

{
  "description": "Analyze debugLog in cwc-sql",
  "prompt": "Analyze the debugLog implementation in the cwc-sql package. I need to understand:\n\n1. **Current Implementation**: Find and read the debugLog function definition - how does it work? What does it do when debugMode is on vs off?\n\n2. **Usage Patterns**: Find all usages of debugLog in cwc-sql. Focus on:\n   - What data is being passed to debugLog calls?\n   - Are there expensive operations being done inline (like JSON.stringify, object spreading, etc.)?\n   - How many debugLog calls exist in the codebase?\n\n3. **Performance Concerns**: Identify specific calls where:\n   - `JSON.stringify()` is called as a parameter\n   - Objects are constructed inline just for the debugLog call\n   - Any other potentially expensive operations in the arguments\n\nBe thorough - search all .ts files in packages/cwc-sql/src/ for debugLog usage.",
  "subagent_type": "Explore"
}

Perfect! Now I have all the information I need. Let me provide a comprehensive analysis report.

## debugLog Implementation Analysis for cwc-sql

### 1. Current Implementation

**Location:** `/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/debugLog.ts`

**How it Works:**

```typescript
export function debugLog(context: string, message: string, data?: unknown): void {
  const config = loadConfig();
  if (!config.debugMode) return;

  const prefix = `[cwc-sql]:${context}]`;
  if (data !== undefined) {
    console.log(prefix, message, data);
  } else {
    console.log(prefix, message);
  }
}
```

**Key Characteristics:**

- **Lazy Configuration Loading:** Calls `loadConfig()` on EVERY invocation, even though the function is called 99 times throughout the codebase. This means loading and parsing the config 99+ times per request flow.
- **Early Return:** When `debugMode` is OFF, execution exits immediately (good pattern).
- **No Conditional Evaluation:** All arguments are evaluated BEFORE the function is called, regardless of whether debugMode is enabled. This is the root cause of performance issues.

---

### 2. Usage Patterns - Total Volume

**Total debugLog Calls:** 99 calls across the codebase

**Distribution by File:**

| File | Count | Notes |
|------|-------|-------|
| handlers/commandHandler.ts | 7 | High-risk: Contains JSON.stringify calls |
| handlers/selectHandler.ts | 10 | Moderate: Query-related logging |
| handlers/updateHandler.ts | 7 | Cache invalidation logging |
| handlers/insertHandler.ts | 7 | Cache invalidation logging |
| handlers/deleteHandler.ts | 7 | Cache invalidation logging |
| handlers/executeOperation.ts | 6 | Router logic logging |
| sql/generateSelect.ts | 3 | SQL generation logging |
| sql/generateUpdate.ts | 4 | SQL generation logging |
| sql/generateDelete.ts | 3 | SQL generation logging |
| sql/generateInsert.ts | 3 | SQL generation logging |
| sql/generateCustom.ts | 4 | SQL generation logging |
| sql/validation.ts | 9 | Validation flow logging |
| cache/queryCache.ts | 14 | Cache operations (most calls) |
| auth/verifyToken.ts | 11 | Authentication flow logging |

---

### 3. Performance Concerns - Specific Issues

#### CRITICAL: JSON.stringify() Called as Parameters

These calls happen BEFORE the debugLog function is entered, even when debugMode is OFF:

**File: `/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/handlers/commandHandler.ts`**

```typescript
// Line 39 - EXPENSIVE: Stringifying entire command object
debugLog('CommandBuilder', '', { userPkId, command: JSON.stringify(command, undefined, 2) });

// Line 59 - EXPENSIVE: Stringifying entire results object
debugLog('CommandBuilder', 'execute', { results: JSON.stringify(results, undefined, 2) });
```

**Impact:** 
- `command` object contains potentially large operation arrays with complex nested structures
- `results` object contains query results from database
- These are **unconditionally serialized** even when logging is disabled
- The `JSON.stringify(obj, undefined, 2)` with pretty-printing adds extra processing cost
- This happens on EVERY command execution, not just when debugMode is ON

#### Object Construction Inline (Moderate Concern)

Throughout the codebase, objects are constructed inline in debugLog calls. While less expensive than JSON.stringify, these are still evaluated unconditionally:

**Examples from queryCache.ts (lines 36-40, 152-156):**

```typescript
debugLog('queryCache', 'initialized', {
  ttlMinutes: config.queryCacheTtl,
  maxKeys: config.queryCacheMaxKeys,
  enabled: config.queryCacheEnabled,
});

debugLog('queryCache', 'set', {
  table,
  cacheKey: cacheKey.substring(0, 50),
  cacheSize: this.cache.getStats().keys,  // Function call!
});
```

**Issue:** `this.cache.getStats()` is called unconditionally even when debugMode is OFF

#### Lazy Configuration Loading (Performance Anti-Pattern)

**File: `/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/debugLog.ts` line 14**

```typescript
export function debugLog(context: string, message: string, data?: unknown): void {
  const config = loadConfig();  // Called EVERY time, 99+ times per request
  if (!config.debugMode) return;
  // ...
}
```

**Impact:**
- `loadConfig()` is called **99 times per request flow** (or more if multiple requests)
- Config loading typically involves environment variable parsing, type validation, and object construction
- This is done redundantly even though the config doesn't change during a request

---

### 4. Summary Table: Performance Concerns

| Category | Location | Issue | Severity | Impact |
|----------|----------|-------|----------|--------|
| JSON.stringify | commandHandler.ts:39 | Serializing command object with pretty-printing | HIGH | CPU spike on large commands |
| JSON.stringify | commandHandler.ts:59 | Serializing results object with pretty-printing | HIGH | CPU spike on large result sets |
| Function Call | queryCache.ts:155 | `getStats()` called unconditionally | MEDIUM | Extra cache stats lookup |
| Function Call | queryCache.ts:112,114 | `substring()` called unconditionally | LOW | String operations on cache keys |
| Config Loading | debugLog.ts:14 | `loadConfig()` called 99+ times | MEDIUM | Config parsing repeated unnecessarily |
| Inline Objects | All handlers | Object literals created unconditionally | MEDIUM | Memory allocations even when disabled |

---

### 5. Files with Most Expensive Logging

1. **commandHandler.ts** - Contains the worst performance issues (JSON.stringify on potentially large objects)
2. **queryCache.ts** - 14 debugLog calls with some function invocations
3. **verifyToken.ts** - 11 calls with moderate inline object construction
4. **selectHandler.ts** - 10 calls with inline array passing

---

### 6. Current Behavior When debugMode is OFF

When `config.debugMode` is OFF:
- Function arguments are **STILL evaluated** before the function is called
- `JSON.stringify()` operations **STILL execute**
- `getStats()` and other function calls **STILL execute**
- `loadConfig()` **STILL loads and parses config**
- Only the `console.log()` is skipped
- This is the fundamental inefficiency in the current implementation

---

### Key Findings

1. **99 total debugLog calls** distributed across 14 files
2. **2 critical JSON.stringify() calls** in commandHandler that serialize large objects unconditionally
3. **Lazy config loading** pattern causes `loadConfig()` to execute 99+ times per request
4. **Inline object construction** throughout the codebase evaluated even when logging disabled
5. **No conditional short-circuiting** of expensive operations (they execute before the function is entered)

The implementation follows a reasonable pattern (early return when disabled) but fails to account for the fact that all argument evaluation happens BEFORE the function is called. This makes the pretty-printed JSON.stringify calls particularly problematic in production environments where debugMode is OFF.
agentId: a4f872a (for resuming to continue this agent's work if needed)

File created successfully at: /Users/jeffbazinet/.claude/plans/wild-whistling-rabbit.md

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/debugLog.ts"
}

     1→'use strict';
     2→
     3→import { loadConfig } from './config';
     4→
     5→/**
     6→ * Debug logging utility for cwc-sql
     7→ * Only outputs when config.debugMode is enabled
     8→ *
     9→ * @param context - Component/function name
    10→ * @param message - Log message
    11→ * @param data - Optional data to log
    12→ */
    13→export function debugLog(context: string, message: string, data?: unknown): void {
    14→  const config = loadConfig();
    15→  if (!config.debugMode) return;
    16→
    17→  const prefix = `[cwc-sql]:${context}]`;
    18→  if (data !== undefined) {
    19→    console.log(prefix, message, data);
    20→  } else {
    21→    console.log(prefix, message);
    22→  }
    23→}
    24→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

{
  "pattern": "debugLog\\(.*JSON\\.stringify",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src",
  "output_mode": "content",
  "-n": true
}

packages/cwc-sql/src/handlers/commandHandler.ts:39:      debugLog('CommandBuilder', '', { userPkId, command: JSON.stringify(command, undefined, 2) });
packages/cwc-sql/src/handlers/commandHandler.ts:59:      debugLog('CommandBuilder', 'execute', { results: JSON.stringify(results, undefined, 2) });

{
  "pattern": "getStats\\(\\)",
  "path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts",
  "output_mode": "content",
  "-n": true
}

155:      cacheSize: this.cache.getStats().keys,
200:    const keysBefore = this.cache.getStats().keys;
210:  getStats(): {
217:    const stats = this.cache.getStats();

{
  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/cache/queryCache.ts",
  "offset": 150,
  "limit": 15
}

   150→    }
   151→
   152→    debugLog('queryCache', 'set', {
   153→      table,
   154→      cacheKey: cacheKey.substring(0, 50),
   155→      cacheSize: this.cache.getStats().keys,
   156→    });
   157→  }
   158→
   159→  /**
   160→   * Invalidates all cache entries for a specific table
   161→   */
   162→  invalidateTable(table: string): void {
   163→    if (!this.config.queryCacheEnabled) {
   164→      debugLog('queryCache', 'invalidateTable - cache disabled', { table });

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

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  "todos": [
    {
      "content": "Cache config in debugLog.ts",
      "status": "in_progress",
      "activeForm": "Caching config in debugLog.ts"
    },
    {
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    },
    {
      "content": "Run typecheck and tests",
      "status": "pending",
      "activeForm": "Running typecheck and tests"
    }
  ]
}

Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

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  "file_path": "/Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/debugLog.ts",
  "old_string": "'use strict';\n\nimport { loadConfig } from './config';\n\n/**\n * Debug logging utility for cwc-sql\n * Only outputs when config.debugMode is enabled\n *\n * @param context - Component/function name\n * @param message - Log message\n * @param data - Optional data to log\n */\nexport function debugLog(context: string, message: string, data?: unknown): void {\n  const config = loadConfig();\n  if (!config.debugMode) return;\n\n  const prefix = `[cwc-sql]:${context}]`;\n  if (data !== undefined) {\n    console.log(prefix, message, data);\n  } else {\n    console.log(prefix, message);\n  }\n}",
  "new_string": "'use strict';\n\nimport { loadConfig } from './config';\n\n// Cache debugMode to avoid calling loadConfig() on every debugLog call\nlet cachedDebugMode: boolean | undefined;\n\nfunction isDebugMode(): boolean {\n  if (cachedDebugMode === undefined) {\n    cachedDebugMode = loadConfig().debugMode;\n  }\n  return cachedDebugMode;\n}\n\n/**\n * Debug logging utility for cwc-sql\n * Only outputs when config.debugMode is enabled\n *\n * @param context - Component/function name\n * @param message - Log message\n * @param dataOrFn - Optional data or function that returns data (for lazy evaluation of expensive operations)\n */\nexport function debugLog(\n  context: string,\n  message: string,\n  dataOrFn?: unknown | (() => unknown)\n): void {\n  if (!isDebugMode()) return;\n\n  const prefix = `[cwc-sql:${context}]`;\n  if (dataOrFn !== undefined) {\n    const data = typeof dataOrFn === 'function' ? dataOrFn() : dataOrFn;\n    console.log(prefix, message, data);\n  } else {\n    console.log(prefix, message);\n  }\n}"
}

The file /Users/jeffbazinet/cwc/source/coding-with-claude/packages/cwc-sql/src/debugLog.ts has been updated. Here's the result of running `cat -n` on a snippet of the edited file:
     1→'use strict';
     2→
     3→import { loadConfig } from './config';
     4→
     5→// Cache debugMode to avoid calling loadConfig() on every debugLog call
     6→let cachedDebugMode: boolean | undefined;
     7→
     8→function isDebugMode(): boolean {
     9→  if (cachedDebugMode === undefined) {
    10→    cachedDebugMode = loadConfig().debugMode;
    11→  }
    12→  return cachedDebugMode;
    13→}
    14→
    15→/**
    16→ * Debug logging utility for cwc-sql
    17→ * Only outputs when config.debugMode is enabled
    18→ *
    19→ * @param context - Component/function name
    20→ * @param message - Log message
    21→ * @param dataOrFn - Optional data or function that returns data (for lazy evaluation of expensive operations)
    22→ */
    23→export function debugLog(
    24→  context: string,
    25→  message: string,
    26→  dataOrFn?: unknown | (() => unknown)
    27→): void {
    28→  if (!isDebugMode()) return;
    29→
    30→  const prefix = `[cwc-sql:${context}]`;
    31→  if (dataOrFn !== undefined) {
    32→    const data = typeof dataOrFn === 'function' ? dataOrFn() : dataOrFn;
    33→    console.log(prefix, message, data);
    34→  } else {
    35→    console.log(prefix, message);
    36→  }
    37→}
    38→

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