Import & Excel Mapping:
- Add ImportMappingModal with column mapping and preview
- Integrate modal into FileUploadZone
- Add Excel lookup metadata source with file upload
- Create excelService for API calls
- Show success indicators after configuration
Registration & Auth:
- Create RegisterPage with form validation
- Add /register route in App.tsx
- Add registration link in LoginPage
- Password strength validation (min 8 chars)
AI Generation:
- Integrate MetadataAnalyzer in backend files upload
- Add AI generation case in metadata_service
- Error handling for missing OPENAI_API_KEY
- Test script for AI integration
Stats & UI Polish:
- Add storage stats cards to Dashboard (files, storage, users)
- Fix vite.svg 404 by replacing with emoji favicon
- Enhanced loading states with spinner
- Improved drag-drop visual feedback
- Fix TypeScript errors with vite-env.d.ts
All features now match Flask v3.1 functionality:
✅ Import from CSV/Excel/JSON with column mapping
✅ Excel lookup table
✅ AI metadata generation
✅ Template system
✅ User registration
✅ Statistics dashboard
✅ All builds successfully, TypeScript clean
Co-Authored-By: Claude Sonnet 4.5 (1M context) <noreply@anthropic.com>
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