- Create worker for background tasks (3 concurrent workers)
- Create CollectionHandler for collection endpoints
- Create MediaHandler with worker for media CRUD operations
- Create SearchHandler for query operations
- Create MatchingHandler for book matching/linking operations
- Update routerConfig to include new handlers instead of EbookHandler
All handlers properly initialized and passed to router package.
System is fully operational with new handler architecture.
This is Phase 6 of the ebook.go refactoring plan.