fix: integrate centralized logger across services and hooks for improved logging consistency

src/services/worker/FormattingService.ts

@@ -5,6 +5,7 @@
 
 import { ObservationSearchResult, SessionSummarySearchResult, UserPromptSearchResult } from '../sqlite/types.js';
 import { ModeManager } from '../domain/ModeManager.js';
+import { logger } from '../../utils/logger.js';
 
 // Token estimation constant (matches context-generator)
 const CHARS_PER_TOKEN_ESTIMATE = 4;

src/services/worker/PaginationHelper.ts

@@ -8,6 +8,7 @@
  */
 
 import { DatabaseManager } from './DatabaseManager.js';
+import { logger } from '../../utils/logger.js';
 import type { PaginatedResult, Observation, Summary, UserPrompt } from '../worker-types.js';
 
 export class PaginationHelper {

src/services/worker/TimelineService.ts

@@ -5,6 +5,7 @@
 
 import { ObservationSearchResult, SessionSummarySearchResult, UserPromptSearchResult } from '../sqlite/types.js';
 import { ModeManager } from '../domain/ModeManager.js';
+import { logger } from '../../utils/logger.js';
 
 /**
  * Timeline item for unified chronological display

src/services/worker/events/SessionEventBroadcaster.ts

@@ -7,6 +7,7 @@
 
 import { SSEBroadcaster } from '../SSEBroadcaster.js';
 import type { WorkerService } from '../../worker-service.js';
+import { logger } from '../../../utils/logger.js';
 
 export class SessionEventBroadcaster {
   constructor(

src/services/worker/http/routes/DataRoutes.ts

@@ -8,6 +8,7 @@
 import express, { Request, Response } from 'express';
 import path from 'path';
 import { readFileSync, statSync, existsSync } from 'fs';
+import { logger } from '../../../../utils/logger.js';
 import { homedir } from 'os';
 import { getPackageRoot } from '../../../../shared/paths.js';
 import { getWorkerPort } from '../../../../shared/worker-utils.js';

src/services/worker/http/routes/SearchRoutes.ts

@@ -8,6 +8,7 @@
 import express, { Request, Response } from 'express';
 import { SearchManager } from '../../SearchManager.js';
 import { BaseRouteHandler } from '../BaseRouteHandler.js';
+import { logger } from '../../../../utils/logger.js';
 
 export class SearchRoutes extends BaseRouteHandler {
   constructor(

src/services/worker/http/routes/ViewerRoutes.ts

@@ -8,6 +8,7 @@
 import express, { Request, Response } from 'express';
 import path from 'path';
 import { readFileSync, existsSync } from 'fs';
+import { logger } from '../../../../utils/logger.js';
 import { getPackageRoot } from '../../../../shared/paths.js';
 import { SSEBroadcaster } from '../../SSEBroadcaster.js';
 import { DatabaseManager } from '../../DatabaseManager.js';

src/services/worker/session/SessionCompletionHandler.ts

@@ -11,6 +11,7 @@
 
 import { SessionManager } from '../SessionManager.js';
 import { SessionEventBroadcaster } from '../events/SessionEventBroadcaster.js';
+import { logger } from '../../../utils/logger.js';
 
 export class SessionCompletionHandler {
   constructor(