- Fix structlog format string in folder_scan_service (%(key)d -> kwargs)
- Add nfo_download_poster setting check before poster download
- Create missing NFO fixture files (tvshow.nfo.bad/good) for repair tests
- Fix test_context_used_in_logging to check all call args not format string
- Fix test_system_settings_integration isolation via reset_all_scans
- Add SystemSettings model to track setup completion status
- Create SystemSettingsService for managing setup flags
- Modify fastapi_app startup to check and set initial_scan_completed flag
- Anime folder scanning now only runs on first startup
- Update DATABASE.md with new system_settings table documentation
- Add unit test for SystemSettingsService functionality
This ensures expensive one-time operations like scanning the entire anime
directory only occur during initial setup, not on every application restart.