- Remove manual rename and save buttons from canvas header
- Add auto-save logic with debounce
- Add AI auto-titling and thumbnail generation based on canvas content
- Add CanvasFileList sidebar for managing canvases
- Direct entry to new canvas from top navigation
- Add new API endpoint for auto-titling
- Add canvas project and node database tables
- Create canvas workspace with drag, resize, zoom and pan
- Add ImageNode with background removal, enhance, extend, angle edit, scene fusion
- Add VideoNode with playback controls
- Add TextNode for text editing
- Integrate AI image generation API (Gemini/Alibaba)
- Implement viewport culling for performance optimization
- Add canvas entry in top navigation bar