Phase 1: PWA Offline-First Foundation #65
Description
✅ Status: Complete
This phase was successfully completed and merged in PR #62.
📋 Implementation Summary
Infrastructure
- ✅ Vite PWA Plugin with Workbox for service worker management
- ✅ Web App Manifest (name, icons, theme, standalone display)
- ✅ Service Worker with auto-update registration
- ✅ REUSE 3.3 compliant (SPDX headers on all files)
Components & Hooks
- ✅
useOnlineStatus()- Real-time network detection hook - ✅
OfflineIndicator- User feedback component for offline state - ✅ Global integration in
App.tsx
Caching Strategy (Workbox)
- 🌐 NetworkFirst for API calls
- 10s network timeout
- 24h cache max age
- 100 entries max
- 💾 CacheFirst for Google Fonts
- 1 year cache
- 10 entries max
- 📦 Precaching for static assets (js, css, html, fonts, images)
Assets
- 🎨 PWA Icons (192x192, 512x512 in SVG format)
- 🎨 SecPal branding (blue #3b82f6)
- 📱 Manifest configured for standalone display
Testing
- ✅ 6 tests passing (2 existing + 4 new)
- ✅
useOnlineStatushook fully tested:- Online state detection
- Offline transition
- Back online transition
- Event listener cleanup on unmount
Documentation
- ✅ README updated with PWA features section
- ✅ CHANGELOG updated with comprehensive details
🎯 User Experience
When offline, users see:
- ✅ Persistent banner at bottom of screen
- ✅ Clear messaging: "You're offline"
- ✅ Information about limited features
- ✅ Auto-dismissal when back online
All UI assets and previously visited pages remain accessible offline! 🚀
🔗 Related
- Epic: Epic: Progressive Web App Infrastructure #64
- Pull Request: feat: add PWA offline-first foundation #62 (merged)
- Next Phase: Phase 1: PWA Offline-First Foundation #65 (Multi-Language Support)
Status: ✅ Complete
Type: Sub-Issue of Epic #64
Merged: 2025-11-03