Configure manifest.json with scope, maskable icons, and categories. Add iOS/Android
meta tags for standalone behavior. Create pwa.css for native touch/scroll handling
and safe area insets. Add oikos-install-prompt Web Component with Chrome install
flow and iOS guidance. Optimize service worker with network-first navigation and
expanded precache (v19). Add dynamic theme-color per route and modal overlay dimming
in standalone mode. Generate placeholder icons via sharp script.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add public/components/modal.js with focus-trap, escape-handler,
overlay-click, focus-restore, scroll-lock, aria-modal (Spec §5.1/§5.2)
- Migrate tasks.js from custom modal to shared openModal/closeModal API
- Remove .modal-backdrop/.modal/.modal__* styles from tasks.css
- Add .modal-panel--sm/--lg sizing variants to layout.css
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>