feat(short-drama-agent-front): 优化项目查询与工作区界面

tests/features/subject-images/asset-impact.test.ts

@@ -133,6 +133,15 @@ async function gallery(query = '') {
 }
 
 describe('过期首帧到具体素材定位', () => {
+    it('没有图片的形态卡片标记为方形占位', async () => {
+        const { first } = await gallery()
+        first.images = []
+        await wrapper!.get('[aria-label="刷新图库"]').trigger('click')
+        await flushPromises()
+        const card = wrapper!.findAll('.form-image-card').find(item => item.attributes('data-form-id') === first.id)!
+        expect(card.get('.asset-image').classes()).toContain('form-image-empty')
+    })
+
     it('网格与瀑布流切换保留卡片、滚动容器和筛选，不发起额外请求', async () => {
         const { fetcher } = await gallery()
         const requestCount = fetcher.mock.calls.length