- icon.svg / icon-192/512.png: blue→purple equalizer gradient design - nginx.conf: add /app/ alias so reverse-proxy prefix resolves assets - vite.config.js: base /app/ + %BASE_URL% in favicon links so path resolves correctly whether app is served at / or /app/ - ic_launcher.xml: same equalizer design for Android app icon Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>