feat: implement PWA offline caching strategy (#20) - #36
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elizabetheonoja-art merged 1 commit intoJun 19, 2026
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- Create service worker (public/sw.js) with utility-v1 cache - Cache-first strategy for static assets (stale-while-revalidate) - Network-first strategy for API calls with cache fallback - Network-first navigation with offline HTML fallback - Pre-cache app shell assets on install - Create ServiceWorkerProvider client component for SW registration - Update layout.tsx to include ServiceWorkerProvider - Generate placeholder PWA icons (192x192 and 512x512) - Add unit tests for ServiceWorkerProvider (6 tests) - Add icon generation script Closes Utility-Protocol#20
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Implements Issue #20: Progressive Web App Offline Asset-Service Caching Strategy. Adds service worker with utility-v1 cache, ServiceWorkerProvider client component, PWA icons, and 6 unit tests. All CI gates pass: typecheck, lint, 38 tests, and build.