feat: add inpaint region functionality and related tools

- Enhanced cursor behavior for new tools: semantic select, mask lasso, and mask rectangle.
- Updated mask edit state to include mask asset ID and kind.
- Implemented inpaint region commands for adding, applying, and removing inpaint regions.
- Introduced new operations for lasso and semantic selection tools.
- Created UI components for candidate review and inpaint region management.
- Added tests for inpaint region commands to ensure functionality.
- Updated various components to support new inpaint features and improve user experience.

index.ts

@@ -6,6 +6,7 @@ const server = serve({
   routes: {
     "/api/comfy/models": handleComfyApi,
     "/api/comfy/generate": handleComfyApi,
+    "/api/comfy/segment": handleComfyApi,
     "/*": index,
   },