feat(export): add sns like/comment ranking strip in detail header

src/pages/ExportPage.scss

@@ -2280,6 +2280,103 @@
     color: var(--text-secondary);
   }
 
+  .sns-dialog-header-actions {
+    display: flex;
+    align-items: flex-start;
+    gap: 8px;
+    flex-shrink: 0;
+  }
+
+  .sns-dialog-rank-switch {
+    position: relative;
+    display: inline-flex;
+    align-items: center;
+    gap: 6px;
+  }
+
+  .sns-dialog-rank-btn {
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    background: var(--bg-primary);
+    color: var(--text-secondary);
+    height: 28px;
+    padding: 0 10px;
+    font-size: 12px;
+    line-height: 1;
+    cursor: pointer;
+    white-space: nowrap;
+
+    &:hover {
+      color: var(--text-primary);
+      border-color: color-mix(in srgb, var(--primary) 42%, var(--border-color));
+    }
+
+    &.active {
+      color: var(--primary);
+      border-color: color-mix(in srgb, var(--primary) 52%, var(--border-color));
+      background: color-mix(in srgb, var(--primary) 10%, var(--bg-primary));
+    }
+  }
+
+  .sns-dialog-rank-panel {
+    position: absolute;
+    top: calc(100% + 8px);
+    right: 0;
+    width: 248px;
+    max-height: 220px;
+    overflow-y: auto;
+    border: 1px solid color-mix(in srgb, var(--primary) 30%, var(--border-color));
+    border-radius: 10px;
+    background: var(--bg-primary-solid, #fff);
+    box-shadow: 0 14px 26px rgba(0, 0, 0, 0.18);
+    padding: 8px;
+    z-index: 12;
+  }
+
+  .sns-dialog-rank-empty {
+    font-size: 12px;
+    color: var(--text-tertiary);
+    line-height: 1.5;
+    text-align: center;
+    padding: 6px 0;
+  }
+
+  .sns-dialog-rank-row {
+    display: grid;
+    grid-template-columns: 20px minmax(0, 1fr) auto;
+    align-items: center;
+    gap: 8px;
+    min-height: 28px;
+    padding: 0 4px;
+    border-radius: 7px;
+
+    &:hover {
+      background: var(--bg-hover);
+    }
+  }
+
+  .sns-dialog-rank-index {
+    font-size: 12px;
+    color: var(--text-tertiary);
+    text-align: right;
+    font-variant-numeric: tabular-nums;
+  }
+
+  .sns-dialog-rank-name {
+    font-size: 12px;
+    color: var(--text-primary);
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+
+  .sns-dialog-rank-count {
+    font-size: 12px;
+    color: var(--text-secondary);
+    font-variant-numeric: tabular-nums;
+    white-space: nowrap;
+  }
+
   .close-btn {
     border: none;
     background: transparent;
@@ -3254,6 +3351,21 @@
       padding: 12px;
     }
 
+    .sns-dialog-header-actions {
+      gap: 6px;
+    }
+
+    .sns-dialog-rank-btn {
+      height: 26px;
+      padding: 0 8px;
+      font-size: 11px;
+    }
+
+    .sns-dialog-rank-panel {
+      width: min(78vw, 232px);
+      max-height: 190px;
+    }
+
     .sns-dialog-tip {
       padding: 10px 12px;
       line-height: 1.55;

src/pages/ExportPage.tsx

@@ -47,6 +47,7 @@ type TaskStatus = 'queued' | 'running' | 'success' | 'error'
 type TaskScope = 'single' | 'multi' | 'content' | 'sns'
 type ContentType = 'text' | 'voice' | 'image' | 'video' | 'emoji'
 type ContentCardType = ContentType | 'sns'
+type SnsRankMode = 'likes' | 'comments'
 
 type SessionLayout = 'shared' | 'per-session'
 
@@ -1335,6 +1336,7 @@ function ExportPage() {
   const [sessionSnsTimelineHasMore, setSessionSnsTimelineHasMore] = useState(false)
   const [sessionSnsTimelineTotalPosts, setSessionSnsTimelineTotalPosts] = useState<number | null>(null)
   const [sessionSnsTimelineStatsLoading, setSessionSnsTimelineStatsLoading] = useState(false)
+  const [sessionSnsRankMode, setSessionSnsRankMode] = useState<SnsRankMode | null>(null)
 
   const [exportFolder, setExportFolder] = useState('')
   const [writeLayout, setWriteLayout] = useState<configService.ExportWriteLayout>('B')
@@ -2153,6 +2155,7 @@ function ExportPage() {
   const closeSessionSnsTimeline = useCallback(() => {
     sessionSnsTimelineRequestTokenRef.current += 1
     sessionSnsTimelineLoadingRef.current = false
+    setSessionSnsRankMode(null)
     setSessionSnsTimelineTarget(null)
     setSessionSnsTimelinePosts([])
     setSessionSnsTimelineLoading(false)
@@ -2163,6 +2166,7 @@ function ExportPage() {
   }, [])
 
   const openSessionSnsTimelineByTarget = useCallback((target: SessionSnsTimelineTarget) => {
+    setSessionSnsRankMode(null)
     setSessionSnsTimelineTarget(target)
     setSessionSnsTimelinePosts([])
     setSessionSnsTimelineHasMore(false)
@@ -2243,6 +2247,62 @@ function ExportPage() {
     sessionSnsTimelineTotalPosts
   ])
 
+  const sessionSnsLikeRankings = useMemo(() => {
+    const rankMap = new Map<string, { name: string; count: number; latestTime: number }>()
+    for (const post of sessionSnsTimelinePosts) {
+      const createTime = Number(post?.createTime) || 0
+      const likes = Array.isArray(post?.likes) ? post.likes : []
+      for (const likeNameRaw of likes) {
+        const name = String(likeNameRaw || '').trim() || '未知用户'
+        const current = rankMap.get(name)
+        if (current) {
+          current.count += 1
+          if (createTime > current.latestTime) current.latestTime = createTime
+          continue
+        }
+        rankMap.set(name, { name, count: 1, latestTime: createTime })
+      }
+    }
+    return [...rankMap.values()].sort((a, b) => {
+      if (b.count !== a.count) return b.count - a.count
+      if (b.latestTime !== a.latestTime) return b.latestTime - a.latestTime
+      return a.name.localeCompare(b.name, 'zh-CN')
+    })
+  }, [sessionSnsTimelinePosts])
+
+  const sessionSnsCommentRankings = useMemo(() => {
+    const rankMap = new Map<string, { name: string; count: number; latestTime: number }>()
+    for (const post of sessionSnsTimelinePosts) {
+      const createTime = Number(post?.createTime) || 0
+      const comments = Array.isArray(post?.comments) ? post.comments : []
+      for (const comment of comments) {
+        const name = String(comment?.nickname || '').trim() || '未知用户'
+        const current = rankMap.get(name)
+        if (current) {
+          current.count += 1
+          if (createTime > current.latestTime) current.latestTime = createTime
+          continue
+        }
+        rankMap.set(name, { name, count: 1, latestTime: createTime })
+      }
+    }
+    return [...rankMap.values()].sort((a, b) => {
+      if (b.count !== a.count) return b.count - a.count
+      if (b.latestTime !== a.latestTime) return b.latestTime - a.latestTime
+      return a.name.localeCompare(b.name, 'zh-CN')
+    })
+  }, [sessionSnsTimelinePosts])
+
+  const toggleSessionSnsRankMode = useCallback((mode: SnsRankMode) => {
+    setSessionSnsRankMode((prev) => (prev === mode ? null : mode))
+  }, [])
+
+  const sessionSnsActiveRankings = useMemo(() => {
+    if (sessionSnsRankMode === 'likes') return sessionSnsLikeRankings
+    if (sessionSnsRankMode === 'comments') return sessionSnsCommentRankings
+    return []
+  }, [sessionSnsCommentRankings, sessionSnsLikeRankings, sessionSnsRankMode])
+
   const mergeSessionContentMetrics = useCallback((input: Record<string, SessionExportMetric | SessionContentMetric | undefined>) => {
     const entries = Object.entries(input)
     if (entries.length === 0) return
@@ -6025,9 +6085,51 @@ function ExportPage() {
                       <div className="sns-dialog-stats">{renderSessionSnsTimelineStats()}</div>
                     </div>
                   </div>
-                  <button className="close-btn" type="button" onClick={closeSessionSnsTimeline}>
-                    <X size={16} />
-                  </button>
+                  <div className="sns-dialog-header-actions">
+                    <div className="sns-dialog-rank-switch">
+                      <button
+                        type="button"
+                        className={`sns-dialog-rank-btn ${sessionSnsRankMode === 'likes' ? 'active' : ''}`}
+                        onClick={() => toggleSessionSnsRankMode('likes')}
+                      >
+                        点赞排行
+                      </button>
+                      <button
+                        type="button"
+                        className={`sns-dialog-rank-btn ${sessionSnsRankMode === 'comments' ? 'active' : ''}`}
+                        onClick={() => toggleSessionSnsRankMode('comments')}
+                      >
+                        评论排行
+                      </button>
+                      {sessionSnsRankMode && (
+                        <div
+                          className="sns-dialog-rank-panel"
+                          role="region"
+                          aria-label={sessionSnsRankMode === 'likes' ? '点赞排行' : '评论排行'}
+                        >
+                          {sessionSnsActiveRankings.length === 0 ? (
+                            <div className="sns-dialog-rank-empty">
+                              {sessionSnsRankMode === 'likes' ? '暂无点赞数据' : '暂无评论数据'}
+                            </div>
+                          ) : (
+                            sessionSnsActiveRankings.slice(0, 10).map((item, index) => (
+                              <div className="sns-dialog-rank-row" key={`${sessionSnsRankMode}-${item.name}`}>
+                                <span className="sns-dialog-rank-index">{index + 1}</span>
+                                <span className="sns-dialog-rank-name" title={item.name}>{item.name}</span>
+                                <span className="sns-dialog-rank-count">
+                                  {item.count.toLocaleString('zh-CN')}
+                                  {sessionSnsRankMode === 'likes' ? '次' : '条'}
+                                </span>
+                              </div>
+                            ))
+                          )}
+                        </div>
+                      )}
+                    </div>
+                    <button className="close-btn" type="button" onClick={closeSessionSnsTimeline}>
+                      <X size={16} />
+                    </button>
+                  </div>
                 </div>
 
                 <div className="sns-dialog-tip">