fix: 优化空格播放和截图角色标签对不上

src/editor/canvas/DirectorCanvas.test.tsx

@@ -380,7 +380,9 @@ it("shares the scene transform with the ground plane so the grid never becomes a
   render(<App />);
 
   const grid = screen.getByTestId("viewport-grid");
-  const sceneGroup = grid.closest("group");
+  // 网格被包在「导出时隐藏」的 group 里，再外层才是与地面共享变换的场景 group
+  const gridWrapper = grid.closest("group");
+  const sceneGroup = gridWrapper?.parentElement?.closest("group");
 
   // 网格与地面同在场景组内：共享场景平移/旋转/缩放，不会各自留在不同坐标空间
   expect(sceneGroup).not.toBeNull();