Per v1.5.0 Phase 4:
- Generate variants to temp directory first
- Perform database inserts in transaction
- Move files to final location before commit
- Clean up temp files on any failure
- Add startup recovery for orphaned temp files
- All media operations now fully atomic
Changes:
- Modified generate_all_variants() to return file moves
- Modified save_media() to handle full atomic operation
- Add cleanup_orphaned_temp_files() for startup recovery
- Added 4 new tests for atomic behavior
- Fixed HEIC variant format detection
- Updated variant failure test for atomic behavior
Fixes:
- No orphaned files on database failures
- No orphaned DB records on file failures
- Startup recovery detects and cleans orphans
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
