同步图片/视频创作页卡片封面与设计稿

图片创作三张与视频创作五张入口封面切到 yz 设计稿资源；自由创作改名为图片创作，自由生成封面升至 film-v5。

core/frontend/src/routes/ai-tools.tsx

@@ -143,19 +143,19 @@ export function AssetFactoryPage({ navigate }: { navigate: (page: Page) => void
       page: "modelPhoto" as Page,
       title: "模特上身",
       desc: "上传商品和模特参考图，生成自然统一的服装、饰品上身效果。",
-      image: "/assets/prototype/photo-1524504388940-b1c1722653e1.jpg",
+      image: "/assets/yz/image-model-wear-film-v1.jpg",
     },
     {
       page: "platformCover" as Page,
       title: "平台套图",
       desc: "基于商品主图一次生成主图、卖点图、细节图与场景图。",
-      image: "/assets/prototype/unbranded-running-shoe-remix.png",
+      image: "/assets/yz/image-platform-set-film-v1.jpg",
     },
     {
       page: "imageOptimize" as Page,
-      title: "自由创作",
+      title: "图片创作",
       desc: "使用提示词、参考图和画布比例自由生成或修改视觉素材。",
-      image: "/assets/prototype/photo-1557682250-33bd709cbe85.jpg",
+      image: "/assets/yz/image-studio-film-v2.jpg",
     }
   ];
 
@@ -441,7 +441,7 @@ const MODE_META: Record<
   }
 > = {
   image: {
-    title: "自由创作",
+    title: "图片创作",
     desc: "使用提示词与参考图，自由生成或修改电商视觉素材",
     ratio: "1:1",
     promptTemplate: (title) => `${title}，电商高转化视觉，干净背景，商品主体清晰`