# Phase 4: PWA Support

**Status:** ⬜ Not Started
**Parent plan:** [PLAN.md](./PLAN.md)
**Domain:** frontend

## Tasks

- [ ] Task 1: Create `static/manifest.json` — web app manifest with name, icons, theme color, display: standalone
- [ ] Task 2: Create app icons in `static/` — 192x192 and 512x512 PNG (simple grid icon)
- [ ] Task 3: Create `src/service-worker.ts` — SvelteKit service worker with cache-first for static assets, network-first for API
- [ ] Task 4: Update `src/app.html` — add manifest link, theme-color meta, apple-mobile-web-app meta tags
- [ ] Task 5: Create offline fallback page — show when no network and no cache
- [ ] Task 6: Add install prompt UI — detect `beforeinstallprompt` event, show install banner

## Handoff to Next Phase

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