Moves perform_nfo_repair_scan and its helpers (_repair_one_series,
_NFO_REPAIR_SEMAPHORE) into folder_scan_service.py so NFO repair runs
during the scheduled folder scan instead of on startup.
- Removes NFO repair code from initialization_service.py
- Updates all test imports and patch targets
- Updates docs/NFO_GUIDE.md and docs/CHANGELOG.md references
All 174 related tests pass.
- Add FolderScanService.run_folder_scan() calling perform_nfo_repair_scan()
- Remove startup-time NFO repair from fastapi_app lifespan
- Update docs/NFO_GUIDE.md: repair now runs as part of daily scan
- Update tests to verify integration wiring
- Update ARCHITECTURE.md and scheduler_service for scan scheduling