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

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