合并主分支并同步角色动作资产修复

同步角色动作前端展示、下载、后端数据结构与精选链路修复
保留画布 Agent 图片编辑素材类型约束
整合前后端手动换签组合校验，避免非法类型调用错误接口

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

@@ -525,8 +525,21 @@ describe('ImageCanvasGenerationModel', () => {
         mediaType: 'image-sequence',
         src: '/generated-character-drafts/editor/frame01.png',
         thumbnailSrc: '/generated-character-drafts/editor/frame01.png',
+        imageSequenceFrames: [
+          {
+            imageSrc: '/generated-character-drafts/editor/frame01.png',
+            objectKey: 'generated-character-drafts/editor/frame01.png',
+            width: 512,
+            height: 512,
+          },
+          {
+            imageSrc: '/generated-character-drafts/editor/frame02.png',
+            width: 512,
+            height: 512,
+          },
+        ],
       }),
-    ).toBe('/generated-character-drafts/editor/frame01.png');
+    ).toBe('generated-character-drafts/editor/frame01.png');
   });
 
   it('maps generation dialog mode and authorization errors to user-facing copy', () => {
@@ -554,7 +567,7 @@ describe('ImageCanvasGenerationModel', () => {
       fields: [
         { title: 'prompt', value: '金币掉落叮当声' },
         { title: 'model', value: 'audio1.0' },
-        { title: 'duration', value: '7秒' },
+        { title: '时长', value: '7秒' },
       ],
       references: [],
     });