抽出图片画布图层命令模型

新增 ImageCanvasLayerCommandModel 收口右键图层复制、粘贴、层级、分组、显隐、锁定、翻转和删除规则

主视图保留历史、选中态、菜单关闭、元数据清理和导出副作用

补充图片右键菜单真实浏览器冒泡回归测试

更新图片画布前端拆分计划和 TRACKING 验证记录

src/components/image-editor/ImageCanvasEditorView.test.tsx

@@ -1610,6 +1610,34 @@ describe('ImageCanvasEditorView', () => {
     ).toBeTruthy();
   });
 
+  it('keeps right-clicking a canvas layer from falling through to blank pan menu handling', () => {
+    render(<ImageCanvasEditorView />);
+
+    const layerButton = screen
+      .getByAltText('画布图片：拼图素材')
+      .closest('button')!;
+    const rightPointerDown = new MouseEvent('pointerdown', {
+      bubbles: true,
+      cancelable: true,
+      button: 2,
+      clientX: 510,
+      clientY: 330,
+    });
+
+    const wasNotCanceled = layerButton.dispatchEvent(rightPointerDown);
+
+    expect(wasNotCanceled).toBe(true);
+    expect(rightPointerDown.defaultPrevented).toBe(false);
+
+    fireEvent.contextMenu(layerButton, {
+      clientX: 510,
+      clientY: 330,
+    });
+
+    expect(screen.getByRole('menu', { name: '图片功能面板' })).toBeTruthy();
+    expect(screen.getByRole('menuitem', { name: '创建副本' })).toBeTruthy();
+  });
+
   it('copies, cuts, and pastes layers from the context menus', () => {
     render(<ImageCanvasEditorView />);