- Created SnapshotManager type in snapshot_manager.go
- Encapsulates all snapshot operations with clean API
- Added SnapshotStats for observability
- Reduced deletion_tracking.go from 557 to 153 lines (72% reduction)
- Enhanced merge output with statistics
- All tests passing
Amp-Thread-ID: https://ampcode.com/threads/T-d82acce9-170d-4e58-b227-fd33d48b8598
Co-authored-by: Amp <amp@ampcode.com>