Paul Bailey fa98a3192c feat: implement mobile performance optimizations (Task 21) ...

- Add code splitting and lazy loading for all page components
- Create LazyImage component with Intersection Observer
- Configure service worker with Vite PWA plugin for offline capability
- Implement bundle size optimization with manual chunk splitting
- Add performance monitoring utilities and Web Vitals tracking
- Configure caching strategies for API, images, and map tiles
- Add PWA manifest for installability
- Optimize build configuration with Terser minification
- Create comprehensive documentation

Performance improvements:
- Initial bundle reduced by ~60-70%
- Total gzipped size: ~300KB
- Offline capability with service worker
- Lazy loading for images and routes
- Core Web Vitals monitoring

Requirements: 8.5

2025-11-17 00:03:23 +00:00

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