## New Feature: Full Screen Slide Preview
- Add SlidePreviewModal component for full screen slide preview in SlideEditor
- ESC key support and temporary hint for user guidance
- Proper aspect ratio handling with theme CSS inheritance
- Modal follows existing UI patterns for consistency
## Import Standards Compliance (31 files updated)
- Fix all imports to use explicit .tsx/.ts extensions per IMPORT_STANDARDS.md
- Eliminate barrel imports in App.tsx for better Vite tree shaking
- Add direct imports with explicit paths across entire codebase
- Preserve CSS imports and external library imports unchanged
## Code Architecture Improvements
- Add comprehensive CSS & Component Architecture Guidelines to CLAUDE.md
- Document modal patterns, aspect ratio handling, and CSS reuse principles
- Reference all coding standards files for consistent development workflow
- Prevent future CSS overcomplication and component duplication
## Performance Optimizations
- Enable Vite tree shaking with proper import structure
- Improve module resolution speed with explicit extensions
- Optimize build performance through direct imports
## Files Changed
- 31 TypeScript/React files with import fixes
- 2 new SlidePreviewModal files (component + CSS)
- Updated project documentation and coding guidelines
- Fixed aspect ratio CSS patterns across components
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
## Major Features Added:
### Presentation Management
- Complete CRUD operations for presentations (create, read, update, delete)
- IndexedDB storage for offline presentation data
- Comprehensive presentation list view with metadata
- Navigation integration with header menu
### Slide Management
- Full slide editor with layout selection and content editing
- Live preview with theme styling applied
- Speaker notes functionality
- Enhanced layout previews with realistic sample content
- Themed layout selection with proper CSS inheritance
### Aspect Ratio System
- Support for 3 common presentation formats: 16:9, 4:3, 16:10
- Global CSS system baked into theme engine
- Visual aspect ratio selection in presentation creation
- Responsive scaling for different viewing contexts
- Print-optimized styling with proper dimensions
### User Experience Improvements
- Enhanced sample content generation for realistic previews
- Improved navigation with presentation management
- Better form styling and user interaction
- Comprehensive error handling and loading states
- Mobile-responsive design throughout
### Technical Infrastructure
- Complete TypeScript type system for presentations
- Modular component architecture
- CSS aspect ratio classes for theme consistency
- Enhanced template rendering with live updates
- Robust storage utilities with proper error handling
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
