Fixed
- PWA install prompt not appearing in Chrome/Edge/Android
The manifest previously only contained an SVG icon. Browsers require at least one PNG icon (192×192 minimum, 512×512 recommended) to enable the install prompt. This patch adds:
icon-192.png— for the PWA install prompt and home screenicon-512.png— for splash screens and high-DPI displaysapple-touch-icon.png(180×180) — for iOS "Add to Home Screen"favicon-32.png— 32px PNG fallback for older browsersscopefield added to manifest- Service worker cache bumped to v3 to pick up new assets
apple-touch-iconin HTML updated to point to PNG (SVG not supported by iOS Safari)