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>
Das Inline-Script in index.html für die Service-Worker-Registrierung
wurde von der Content-Security-Policy blockiert (kein 'unsafe-inline'
in script-src). Ausgelagert nach /sw-register.js ('self' erlaubt).
Außerdem: rel="preload" → rel="modulepreload" für ES-Module (korrekte
Browser-Semantik, behebt die Preload-Warnungen in der Console).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Ulas