feat: 统一图片铺满展示与原生预览

src/features/workflows/pages.test.ts

@@ -525,6 +525,10 @@ describe('视觉风格与主体身份工作区', () => {
             '/api/subjects/subject-db-1/identity/images/candidate/anchor'
         )
         expect(wrapper!.text()).toContain('当前身份母版')
+        const anchorImage = wrapper!
+            .findAllComponents(NImage)
+            .find(image => image.props('alt')?.endsWith('当前身份母版'))!
+        expect(anchorImage.props()).toMatchObject({ objectFit: 'cover', previewDisabled: false })
     })
 
     it('选角进度卡片分层显示长姓名、编号和状态，点击仍按正式 ID 切换主体', async () => {
@@ -874,6 +878,41 @@ describe('工作台页面交互', () => {
         expect(wrapper!.find('.form-image-card img').exists()).toBe(true)
         expect(button('补齐项目主参考图').disabled).toBe(true)
     })
+    it('分镜参考图使用 cover 和原生预览，查看图片不触发生成功能', async () => {
+        const shot = designedShot()
+        const fetcher = vi.fn<typeof fetch>().mockResolvedValue(
+            jsonResponse({
+                shotId: shot.shotId,
+                references: [
+                    {
+                        shotSubjectId: 'binding-db',
+                        subjectId: 'subject-db',
+                        subjectRef: '@CH0001',
+                        subjectName: '林知夏',
+                        module: 'character',
+                        subjectFormId: 'form-db',
+                        subjectFormName: '日常',
+                        imageId: 'image-db',
+                        imageUrl: '/storage/reference.png'
+                    }
+                ],
+                missing: []
+            })
+        )
+        vi.stubGlobal('fetch', fetcher)
+        wrapper = mount(ShotTools, { attachTo: document.body, props: { projectId: fixture.id, shot, disabled: false } })
+        button('读取参考图').click()
+        await flushPromises()
+        expect(wrapper.getComponent(NImage).props()).toMatchObject({ objectFit: 'cover', previewDisabled: false })
+        const image = wrapper.get('.reference-card img')
+        expect(image.element.parentElement?.closest('a')).toBeNull()
+        await image.trigger('click')
+        await flushPromises()
+        expect(document.querySelector('.n-image-preview')?.getAttribute('src')).toBe(image.attributes('src'))
+        expect(fetcher.mock.calls).toHaveLength(1)
+        expect(fetcher.mock.calls.every(([, init]) => !init?.method || init.method === 'GET')).toBe(true)
+    })
+
     it('参考图拦截危险地址，生成规格只通过 GET 读取正式形态和状态', async () => {
         const shot = designedShot()
         const fetcher = vi