Frontend (client-side):
- Add JSZip dependency for ZIP creation/parsing
- StyleCard: export style as ZIP with image in images/styles/
- MixCard: export mix as ZIP with referenced styles + all images
- main.tsx: client-side ZIP parsing for small mix imports
- Detect name collisions with existing library
- Prompt user per conflicting item (OK=replace, Cancel=rename)
- Rewrite JSON client-side before upload
Backend (complementary/alternative):
- Add import_mode (replace/merge) and duplicate_policy (rename/replace/skip)
- _merge_data(): comprehensive merge with ID remapping, conflict resolution
- _apply_import(): orchestrates import with validation and summary
- POST /api/data: accepts import params, returns detailed summary
- POST /api/restore.zip: accepts mode/policy query params, uses merge logic
- Summary includes: added/conflicted styles and mixes (max 10 each)
Immac