补齐场景产物可见类型映射

补充场景产物在图片信息与导出元数据中的类型映射
增加场景元数据弹窗与导出清单回归测试

src/components/image-editor/ImageCanvasExportModel.test.ts

@@ -172,6 +172,15 @@ describe('ImageCanvasExportModel', () => {
     });
   });
 
+  it('preserves game scene semantics in exported layer metadata', () => {
+    const metadata = buildLayerExportMetadata(
+      buildLayer({ assetKind: 'scene' }),
+      'images/001-scene.png',
+    );
+
+    expect(metadata.visible.type).toBe('游戏场景');
+  });
+
   it('filters built-in prompts from exported visible generation inputs', () => {
     const metadata = buildLayerExportMetadata(
       buildLayer({

src/components/image-editor/ImageCanvasGenerationModel.ts

@@ -734,6 +734,9 @@ export function formatLayerImageType(layer: CanvasLayer) {
   if (layer.assetKind === 'ui-design') {
     return 'UI设计图';
   }
+  if (layer.assetKind === 'scene') {
+    return '游戏场景';
+  }
   if (layer.assetKind === 'video' || layer.mediaType === 'video') {
     return '生成视频';
   }

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

@@ -89,6 +89,20 @@ describe('ImageCanvasMetadataModalView', () => {
     expect(within(dialog).getByText('123')).toBeTruthy();
   });
 
+  it('renders game scene semantics for generated scene metadata', () => {
+    render(
+      <ImageCanvasMetadataModalView
+        layer={createLayer({ assetKind: 'scene' })}
+        onClose={vi.fn()}
+      />,
+    );
+
+    const dialog = screen.getByRole('dialog', { name: '图片信息' });
+
+    expect(within(dialog).getByText('游戏场景')).toBeTruthy();
+    expect(within(dialog).queryByText('生成图片')).toBeNull();
+  });
+
   it('keeps the generation model while hiding internal processing models', () => {
     const generationInputsWithInternalMattingMetadata = {
       fields: [