Phase 6 - Template System:
- Add TemplateLayer component for background/overlay rendering
- Add SlotPlaceholder component with visual indicators for empty slots
- Add useTemplate hook with auto-crop and drag constraint functions
- Update templates.js with slot definitions for team-sport template
- Integrate template system into DesignCanvas and App
- Add slot upload UI in TemplatesTab sidebar
Phase 9 - PWA Improvements:
- Add Workbox caching rules for HuggingFace LFS, templates, and API
- Change registerType to 'prompt' for update notifications
- Add service worker update handler in main.jsx
- Add refresh prompt UI in PWAInstall component
Phase 10 - Responsive and Accessibility:
- Add responsive CSS media queries for tablet/mobile layouts
- Add OfflineIndicator component with online/offline detection
- Add focus trap and keyboard navigation to PhotoPreEditor
- Add aria labels and screen reader support to modal
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Implemented full editor UI with three-column layout:
- Sidebar with 4 tabs (Upload, Stickers, Text, Templates)
- UploadTab with drag-and-drop file upload, wires to POST /api/upload
- StickersTab with 96 emoji stickers across 6 categories
- TextTab with font picker (20 Google Fonts), size slider, color picker
- TemplatesTab placeholder for future template system
- LayersPanel showing all elements with select/delete
- PropertiesPanel with position, size, rotation controls
Also added:
- Constants for fonts and stickers
- Enhanced CSS with editor-layout, sidebar, properties-panel classes
- Updated App.jsx to integrate all components