## 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>
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User Flows I want the solution to support
Flow #1 - Presentation Management
Adding, removing, and editing existing presentations
Create New Presentation
- User navigates to create new presentation
- User enters presentation details (title, description)
- User selects aspect ratio (16:9, 4:3, 16:10) for presentation
- User selects a theme from available options
- User creates presentation and is taken to editor
View All Presentations
- User can view list of all saved presentations
- User can see presentation metadata (name, description, theme, slide count)
- User can access presentations from navigation
Edit Existing Presentation
- User can open existing presentation for editing
- User can navigate between slides in editor
- User can access presentation settings and metadata
Delete Presentation
- User can delete presentation from list view
- User gets confirmation dialog before deletion
- Presentation is removed from storage
Flow #2 - Slide Management
Adding, removing, and editing individual slides within presentations
Add New Slide
- User clicks "Add Slide" from presentation editor
- User can select layout for new slide (with themed previews)
- User can add content to slide slots (text, images)
- User can add presentation notes to slide
- User can see miniature preview of slide live while editing
- User can save slide (auto-saves presentation)
Edit Existing Slide
- User can click on existing slide to edit
- User can modify slide content in all slots
- User can change slide layout
- User can edit presentation notes
- Changes auto-save to presentation
Remove Slide
- User can delete slides from presentation
- User gets confirmation before slide deletion
- Slide order adjusts automatically
Preview Slides
- User can preview individual slides
- User can view slides in presentation mode
- User can navigate between slides in preview