Prompt

Transform a web application into a high-performance Progressive Web App:

**PWA Implementation:**
1. Service worker strategy
2. Caching strategies (Cache First, Network First)
3. Offline functionality design
4. Push notification setup
5. App manifest configuration

**Performance Optimization:**
- Critical rendering path
- Resource prioritization
- Image optimization
- Code splitting
- Lazy loading strategies

**User Experience:**
- Install prompts timing
- Offline UI patterns
- Background sync
- Payment integration
- Native app features

Current app: {INSERT APP DETAILS}