feat(app): integrate Jamendo API and enhance UI components

- Added Jamendo API client ID to the environment configuration for music search.
- Updated pnpm lock file to include new dependencies for enhanced functionality.
- Integrated Plyr library for improved media playback experience.
- Refactored ChatHeader, ChatInput, and ChatMessage components to utilize new styles and improve user interaction.
- Enhanced CSS styles for path-glass elements to align with the new design system.

Made-with: Cursor

.env.example

@@ -15,6 +15,10 @@ VITE_ANTHROPIC_API_KEY=sk-ant-your-key-here
 # Get your key at: https://www.themoviedb.org/settings/api
 TMDB_API_KEY=your-tmdb-key-here
 
+# Jamendo API (optional, extends music search - free 35k req/mo)
+# Get your client_id at: https://devportal.jamendo.com/
+JAMENDO_CLIENT_ID=your-jamendo-client-id
+
 # Development flags
 VITE_DEV_MODE=true
 VITE_MOCK_MEDIA_SOURCES=true