david
e9e7e9dbac
Add automated backup system with SQLite VACUUM
- Implement backup package with SQLite VACUUM INTO for safe backups
- Add scheduler with configurable interval (default: 24h)
- Add retention policy with automatic cleanup (default: 7 days)
- Add optional gzip compression (~10x size reduction)
- Add comprehensive tests for backup creation and cleanup
- Integrate backup scheduler in main.go with graceful shutdown
- Add backup configuration variables (BACKUP_ENABLED, BACKUP_INTERVAL, BACKUP_RETENTION_DAYS, BACKUP_PATH, BACKUP_COMPRESS)
- Backups run automatically in background goroutine
- Coverage: backup package 52.7%