- Root cause: Server needed restart to complete initialization
- Startup process syncs data files to DB and loads into memory
- Verified: GET /api/anime returns 192 anime with full metadata
- Fixed async context manager issue in anime.py (use get_sync_session)
- Fixed async methods in anime_service.py to use async with
- Fixed folder_name attribute error (should be folder)
- All three methods now properly handle database sessions