- Use new session in background task for thread safety
- Fix schedule creation to associate with job
- Fix schedule endpoint return type
- Update tests to use AsyncClient
- Add missing tests for list, get, delete, schedule
- Add updated_at field to Schedule model
- Full CRUD for backup jobs
- Manual job trigger endpoint with background execution
- Schedule creation endpoint
- Tests for job creation, update, execution, and 404 cases
- BackupEngine class executes jobs and creates backups
- Automatic fallback from incremental to full if no parent exists
- SHA-256 checksum calculation for integrity
- Tests for full backup and incremental fallback