- Add Spotify design system (colors, typography, ThemeData, components) - Build Spotify shell (Sidebar, TopBar, BottomPlayer, ContentArea) - Redesign Home, Search, Library pages with Spotify cards/track rows - Restyle context menus, shimmer loaders, hover states - Rebrand app name to Spotify across Android/iOS/macOS/Linux/Windows - Update launcher icons and splash config to Spotify logo No backend/API/state/audio logic changed.
- Implemented ErrorBox for displaying error messages with retry functionality and log viewing. - Created NoDefaultMetadataPlugin to inform users about missing default metadata providers and provide navigation to manage them.