Warren
2d8e9049b0
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Add compression support to backup workflow
BackupScheduler Enhancement:
- copy_file() now compresses files using ZSTD or LZ4
- min_size threshold: 1024 bytes (smaller files not compressed)
- compression level: 3 (balanced speed/compression)
BackupConfigResponse Updated:
- Added compress, encrypt, include_checksums fields
- compress: 'none' | 'lz4' | 'zstd'
- Default: 'zstd'
REST API Enhancement:
- GET /api/v2/backup/config returns full config
- POST /api/v2/backup/config accepts compression settings
Test Results:
- Set compress='lz4': ✅ Config updated
- Set compress='zstd': ✅ Config updated
- Compression applied via run_backup() (scheduled backup)
Note: Direct create_snapshot API doesn't use compression
(scheduler.run_backup() is the primary backup mechanism)
Build: 495 tests pass