# TASK 1 — Initial Scaffold > Catalog: [`TASKS.md`](../TASKS.md) — status and requirements live here. **Goal:** Working C# / WPF project with MVVM architecture, dark-theme main window, and YouTube service stubs. ### Status: ✅ Done 1. ✅ Models: Scene, Source, StreamConfig, StreamHealth, YouTubeChannel, ChatMessage 2. ✅ Services: YouTubeAuthService (OAuth2), YouTubeStreamService (broadcast/health), YouTubeChatService (chat polling) 3. ✅ MainViewModel: scene management, stream controls, chat 4. ✅ MainWindow: scene/source panel, preview area, chat panel, status bar 5. ✅ Clean build, 0 warnings (WSL + Windows)