fix: 合并图库显示与操作入口

移除顶部主图统计，将刷新图库和批量生图改为带悬浮说明的图标按钮，并移动到布局切换按钮之后。

tests/components/ui/flatTheme.test.ts

@@ -162,7 +162,7 @@ describe('全站平面主题', () => {
         )
         expect(css).toMatch(/\.asset-impact-links-scroll\.n-scrollbar\s*\{[^}]*height:\s*auto;[^}]*max-width:\s*100%;/)
         expect(readFileSync('src/features/subject-images/SubjectImagesPage.vue', 'utf8')).toMatch(
-            /<WorkspacePage\b[^>]*>\s*<template #header>/
+            /<WorkspacePage\b[^>]*>\s*<template #default>/
         )
     })
 
@@ -183,13 +183,12 @@ describe('全站平面主题', () => {
     it('图库顶部统一镜头选择和筛选的背景与垂直对齐，窄屏整组换行', () => {
         // DOM 环境不计算几何；保护容器宽度断点和居中契约，真实坐标仍需浏览器验收。
         const css = readAllStyles()
-        expect(css).toMatch(/\.gallery-workspace-page \.workspace-heading\s*\{[^}]*padding-block:\s*5px;/)
-        expect(css).toMatch(
-            /\.gallery-workspace-page \.workspace-toolbar,\s*\.gallery-workspace-page \.toolbar-summary,\s*\.gallery-workspace-page \.toolbar-actions\s*\{(?=[^}]*align-items:\s*center;)(?=[^}]*min-height:\s*34px;)/
-        )
-        expect(css).toMatch(
-            /@media \(min-width: 761px\)\s*\{[^}]*\.gallery-workspace-page \.toolbar-actions\s*\{[^}]*margin-left:\s*0;/
-        )
+        const source = readFileSync('src/features/subject-images/SubjectImagesPage.vue', 'utf8')
+        expect(source).not.toContain('class="toolbar-summary"')
+        expect(source).toMatch(/<WorkspaceTools\s+triggerless/)
+        expect(source.match(/<NPopover trigger="hover" placement="top">/g)).toHaveLength(2)
+        expect(source).toMatch(/aria-label="刷新图库"/)
+        expect(source).toMatch(/data-workspace-tools\s+aria-label="批量生图"/)
         expect(css).toMatch(
             /\.form-image-filter-region\s*\{[^}]*padding:\s*12px;[^}]*--app-field:\s*var\(--app-surface\);[^}]*--app-field-hover:\s*var\(--app-surface\);[^}]*background:\s*color-mix\(in srgb, var\(--app-subtle\) 96%, white\);/
         )

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

@@ -174,7 +174,7 @@ describe('过期首帧到具体素材定位', () => {
         await flushPromises()
         expect(fetcher).toHaveBeenCalledTimes(count)
         expect(wrapper!.get('.form-image-grid').element).toBe(grid)
-        const refresh = wrapper!.findAll('button').find(button => button.text().includes('刷新图库'))!
+        const refresh = wrapper!.get('[aria-label="刷新图库"]')
         await refresh.trigger('click')
         await flushPromises()
         expect(fetcher.mock.calls.length).toBeGreaterThan(count)
@@ -185,7 +185,7 @@ describe('过期首帧到具体素材定位', () => {
 
     it('切换镜头时筛选、关联说明和图片共用稳定纵向容器，长关联列表单独横向滚动', async () => {
         const { keyframes, videos, references, fetcher } = await gallery('?sourceShotId=shot-target')
-        expect(wrapper!.find('.workspace-heading-scroll').exists()).toBe(true)
+        expect(wrapper!.find('.workspace-heading-scroll').exists()).toBe(false)
         const scroll = wrapper!.get<HTMLElement>('.workspace-scroll > .n-scrollbar-container').element
         const content = wrapper!.get('.workspace-scroll-content').element
         const sticky = wrapper!.get('.gallery-sticky-controls').element
@@ -207,10 +207,7 @@ describe('过期首帧到具体素材定位', () => {
                   })
                 : original(url, init)
         )
-        await wrapper!
-            .findAll('button')
-            .find(button => button.text() === '刷新图库')!
-            .trigger('click')
+        await wrapper!.get('[aria-label="刷新图库"]').trigger('click')
         await flushPromises()
         wrapper!
             .findAllComponents(NSelect)
@@ -414,7 +411,7 @@ describe('过期首帧到具体素材定位', () => {
     it('身份主图真的过期时显示独立顶部警告，并可从定位模式筛选所有过期素材', async () => {
         const { first, router } = await gallery('?subjectFormId=form-other')
         first.subject.identity = { id: 'identity-1', isLocked: true, images: [{ id: 'anchor-new' }] }
-        const refresh = wrapper!.findAll('button').find(button => button.text() === '刷新图库')!
+        const refresh = wrapper!.get('[aria-label="刷新图库"]')
         await refresh.trigger('click')
         await flushPromises()
         expect(wrapper!.text()).toContain('形态主图需要更新')
@@ -432,10 +429,7 @@ describe('过期首帧到具体素材定位', () => {
     it('仅视频接口报告过期时也显示警告，并明确两种检查不一致', async () => {
         const { keyframes } = await gallery('?sourceShotId=shot-target&subjectFormId=form-special')
         keyframes.items[0]!.primaryKeyframeStale = false
-        await wrapper!
-            .findAll('button')
-            .find(button => button.text() === '刷新图库')!
-            .trigger('click')
+        await wrapper!.get('[aria-label="刷新图库"]').trigger('click')
         await flushPromises()
         expect(wrapper!.get('[data-keyframe-impact]').text()).toContain('检查结果不一致')
         expect(wrapper!.get('.form-image-card').text()).toContain('不要据此重复生图')
@@ -444,10 +438,7 @@ describe('过期首帧到具体素材定位', () => {
         const { keyframes, videos } = await gallery('?sourceShotId=shot-target&subjectFormId=form-special')
         keyframes.items[0]!.primaryKeyframeStale = false
         videos.items[0]!.issues = []
-        await wrapper!
-            .findAll('button')
-            .find(button => button.text() === '刷新图库')!
-            .trigger('click')
+        await wrapper!.get('[aria-label="刷新图库"]').trigger('click')
         await flushPromises()
         expect(wrapper!.find('[data-keyframe-impact]').exists()).toBe(false)
         expect(wrapper!.text()).toContain('未被标记为过期')
@@ -467,10 +458,7 @@ describe('过期首帧到具体素材定位', () => {
                 ? Promise.resolve(new Response('{}', { status: 500 }))
                 : original(url, init)
         )
-        await wrapper!
-            .findAll('button')
-            .find(button => button.text() === '刷新图库')!
-            .trigger('click')
+        await wrapper!.get('[aria-label="刷新图库"]').trigger('click')
         await flushPromises()
         expect(wrapper!.text()).toContain('暂时无法确认有无过期首帧')
         expect(wrapper!.findAll('.form-image-card')).toHaveLength(3)