style: 精简统一媒体预览头部

src/client/components/library/PreviewInspector.vue

@@ -84,19 +84,18 @@ async function loadRichPreview() {
 
 watch(() => props.item.id, loadRichPreview, { immediate: true, flush: 'post' })
 
-function formatSize(size?: number) {
-  if (size === undefined) return '未知大小'
-  if (size < 1024) return `${size} B`
-  if (size < 1024 * 1024) return `${(size / 1024).toFixed(1)} KB`
-  return `${(size / 1024 / 1024).toFixed(1)} MB`
-}
 </script>
 
 <template>
   <div class="preview-inspector">
     <header>
       <button class="icon-button preview-back" type="button" aria-label="关闭预览" @click="emit('close')"><AppIcon name="chevron-left" /></button>
-      <div><small>预览</small><strong :title="item.name">{{ item.title || item.name }}</strong></div>
+      <strong :title="item.name">{{ item.title || item.name }}</strong>
+      <div class="preview-header-actions">
+        <button v-if="item.sourceSessionId" class="icon-button" type="button" aria-label="跳转到来源消息" title="跳转到来源消息" @click="emit('source', item)"><AppIcon name="external" :size="15" /></button>
+        <a v-if="item.downloadUrl || item.previewUrl" class="icon-button" :href="item.downloadUrl || item.previewUrl" download aria-label="下载" title="下载"><AppIcon name="download" :size="16" /></a>
+        <button class="icon-button" type="button" aria-label="加入输入框" title="加入输入框" @click="emit('addToComposer', item)"><AppIcon name="plus" :size="17" /></button>
+      </div>
     </header>
 
     <div class="preview-stage" :class="`preview-stage--${item.kind}`">
@@ -111,27 +110,17 @@ function formatSize(size?: number) {
       <div v-else class="preview-unavailable"><span><AppIcon :name="previewError ? 'alert' : 'file'" :size="28" /></span><strong>{{ previewLoading ? '正在生成预览…' : previewError || '此格式暂不支持内嵌预览' }}</strong><p>{{ previewError ? '仍可下载文件后使用系统应用查看。' : '可下载文件，使用系统应用查看。' }}</p></div>
     </div>
 
-    <section class="preview-meta">
-      <dl><div><dt>文件名</dt><dd>{{ item.name }}</dd></div><div><dt>类型</dt><dd>{{ item.mimeType || item.kind }}</dd></div><div><dt>大小</dt><dd>{{ formatSize(item.size) }}</dd></div><div v-if="item.sourceLabel"><dt>来源</dt><dd>{{ item.sourceLabel }}</dd></div></dl>
-      <div class="preview-actions">
-        <a v-if="item.downloadUrl || item.previewUrl" class="quiet-button" :href="item.downloadUrl || item.previewUrl" download><AppIcon name="download" :size="14" />下载</a>
-        <button class="solid-button" type="button" @click="emit('addToComposer', item)"><AppIcon name="plus" :size="14" />加入输入框</button>
-      </div>
-      <button v-if="item.sourceSessionId" class="source-link" type="button" @click="emit('source', item)"><AppIcon name="external" :size="13" />跳转到来源消息</button>
-    </section>
   </div>
 </template>
 
 <style scoped>
 .preview-inspector { display: flex; height: 100%; flex-direction: column; overflow-y: auto; }
-header { display: flex; min-height: 62px; align-items: center; gap: 7px; padding: 9px 42px 9px 11px; border-bottom: 1px solid var(--line); } header > div { display: flex; min-width: 0; flex: 1; flex-direction: column; }.preview-back { display: none; } header small { color: var(--text-muted); font-size: 9px; } header strong { margin-top: 2px; overflow: hidden; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
+header { display: flex; min-height: 46px; align-items: center; gap: 8px; padding: 5px 10px; border-bottom: 1px solid var(--line); } .preview-back { display: none; } header > strong { min-width: 0; flex: 1; overflow: hidden; font-size: 12px; font-weight: 630; text-overflow: ellipsis; white-space: nowrap; }.preview-header-actions { display: flex; flex: 0 0 auto; align-items: center; gap: 2px; }.preview-header-actions .icon-button { display: grid; width: 30px; height: 30px; place-items: center; padding: 0; border: 0; border-radius: 8px; background: transparent; color: var(--text-muted); cursor: pointer; text-decoration: none; }.preview-header-actions .icon-button:hover { background: var(--surface-soft); color: var(--text-primary); }
 .preview-stage { display: grid; min-height: 280px; flex: 1 0 auto; place-items: center; overflow: hidden; background: var(--surface-soft); }.preview-stage img, .preview-stage video { display: block; width: 100%; height: auto; max-height: 58vh; object-fit: contain; }.preview-stage audio { width: calc(100% - 34px); }.preview-stage object { width: 100%; height: min(62vh, 660px); border: 0; }.preview-text { width: 100%; height: min(62vh, 660px); padding: 16px; overflow: auto; background: var(--surface-raised); }.preview-text pre { margin: 0; color: var(--text-secondary); font: 10px/1.65 var(--font-code); white-space: pre-wrap; overflow-wrap: anywhere; }
 .preview-office { width: 100%; height: min(62vh, 660px); overflow: auto; background: #e6e6e4; color: #111; }.preview-office :deep(.docx-wrapper) { padding: 18px 0; background: #e6e6e4; }.preview-office :deep(.docx) { margin-bottom: 14px; box-shadow: 0 4px 18px rgba(0,0,0,.12); }
 .preview-pdf { display: flex; width: 100%; height: min(62vh, 660px); align-items: center; flex-direction: column; gap: 12px; padding: 12px; overflow: auto; background: #dadad7; }.preview-pdf :deep(.pdf-page) { flex: 0 0 auto; overflow: hidden; background: #fff; box-shadow: 0 3px 14px rgba(0,0,0,.15); }.preview-pdf :deep(canvas) { display: block; }
 .preview-sheet { width: 100%; height: min(62vh, 660px); overflow: auto; background: var(--surface-raised); }.preview-sheet table { min-width: 100%; border-collapse: collapse; font-size: 9px; }.preview-sheet td { min-width: 72px; max-width: 240px; padding: 6px 8px; overflow: hidden; border: 1px solid var(--line); color: var(--text-secondary); text-overflow: ellipsis; white-space: nowrap; }.preview-sheet tr:first-child td { position: sticky; top: 0; background: var(--surface-soft); color: var(--text-primary); font-weight: 600; }
 .preview-link { display: flex; width: calc(100% - 34px); flex-direction: column; align-items: center; color: var(--text-secondary); text-decoration: none; text-align: center; }.preview-link > span, .preview-unavailable > span { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 12px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface-raised); }.preview-link strong { max-width: 100%; overflow: hidden; color: var(--text-primary); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }.preview-link small { margin-top: 5px; color: var(--text-muted); font-size: 9px; }
 .preview-unavailable { display: flex; padding: 30px; flex-direction: column; align-items: center; color: var(--text-secondary); text-align: center; }.preview-unavailable strong { font-size: 11px; }.preview-unavailable p { margin: 5px 0 0; color: var(--text-muted); font-size: 9px; }
-.preview-meta { padding: 15px; border-top: 1px solid var(--line); } dl { display: flex; margin: 0; flex-direction: column; gap: 7px; } dl div { display: grid; grid-template-columns: 55px minmax(0, 1fr); gap: 8px; font-size: 9px; } dt { color: var(--text-muted); } dd { margin: 0; overflow: hidden; color: var(--text-secondary); text-overflow: ellipsis; white-space: nowrap; }
-.preview-actions { display: flex; gap: 7px; margin-top: 15px; }.preview-actions > * { display: flex; flex: 1; gap: 6px; font-size: 10px; text-decoration: none; }.source-link { display: flex; align-items: center; gap: 5px; margin: 11px auto 0; padding: 4px; border: 0; background: transparent; color: var(--text-muted); cursor: pointer; font-size: 9px; }.source-link:hover { color: var(--text-primary); }
 @media (max-width: 900px) { .preview-back { display: grid; } header { padding-right: 12px; } }
 </style>

tests/e2e/workspace.spec.ts

@@ -31,6 +31,10 @@ test('navigates every 9119 workspace without blank transitions', async ({ page }
   await expect(page.getByText('demo-report.pdf')).toBeVisible()
   await page.getByText('demo-report.pdf').click()
   await expect(page.getByRole('dialog', { name: /预览 demo-report.pdf/ })).toBeVisible()
+  await expect(page.locator('.preview-meta')).toHaveCount(0)
+  const previewDialog = page.getByRole('dialog', { name: /预览 demo-report.pdf/ })
+  await expect(previewDialog.getByRole('link', { name: '下载' })).toBeVisible()
+  await expect(previewDialog.getByRole('button', { name: '加入输入框' })).toBeVisible()
   await page.getByRole('button', { name: '关闭预览' }).click()
 
   await page.goto('/artifacts')