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.

renderer/renderer.ts

@@ -10,6 +10,7 @@ import { renderSelectionOverlay } from "./selection";
 import { renderTransformControls } from "./transform-controls";
 import type { WebGlRendererContext } from "./types";
 import { createAdjustmentPass } from "./adjustment-pass";
+import { renderMaskShapePreview } from "./mask-shape-preview";
 
 export type RenderFrame = {
   document: ImageDocument;
@@ -77,6 +78,7 @@ export function createRenderer(canvas: HTMLCanvasElement, backend: RendererBacke
         renderTransformControls(rendererContext, frame.document, frame.editor);
       }
       brushPreviewRenderer?.render(frame.document, frame.editor);
+      renderMaskShapePreview(rendererContext, frame.editor);
 
       context.disable(context.SCISSOR_TEST);
     },