- Fix path traversal security check by using absolute paths
- Remove problematic fetch override that forced JSON headers on all API requests
- Add error tracking and visual indicators for failed tracks
- Correct music directory resolution for both relative and absolute paths
The main issue was the security validation comparing relative paths incorrectly,
causing legitimate music file requests to be rejected with 403 errors.
- Add PWA icons in multiple sizes (192px, 512px, maskable)
- Configure manifest.webmanifest with proper icon references
- Implement PWA install prompt with custom notification
- Add manual manifest route for development compatibility
- Update meta tags for iOS and Android PWA support
- Configure service worker with music and image caching
- Enable auto-updates and offline functionality
PWA now fully installable on all platforms with proper branding.
