Lukas 17754a86f0 Add database migration from legacy data files
- Create DataMigrationService for migrating data files to SQLite
- Add sync database methods to AnimeSeriesService
- Update SerieScanner to save to database with file fallback
- Update anime API endpoints to use database with fallback
- Add delete endpoint for anime series
- Add automatic migration on startup in fastapi_app.py lifespan
- Add 28 unit tests for migration service
- Add 14 integration tests for migration flow
- Update infrastructure.md and database README docs

Migration runs automatically on startup, legacy data files preserved.
2025-12-01 17:42:09 +01:00
..
2025-06-22 19:59:48 +02:00
2025-10-22 15:54:36 +02:00
2025-10-25 17:54:18 +02:00