导出统计速度优化；修复macos导出模块错误的问题

src/pages/Export/ExportPage.tsx

@@ -103,6 +103,11 @@ function ExportPage() {
     }
   }, [displayedSessions, fetchMetrics])
 
+  const handleRefreshStats = useCallback(() => {
+    if (sessions.length === 0 || loadingRefs.size > 0) return
+    void fetchMetrics(sessions.map(s => s.username), { forceRefresh: true })
+  }, [fetchMetrics, loadingRefs.size, sessions])
+
   // ── 4. Manage Tasks ──
   const {
     tasks: exportTasks,
@@ -287,6 +292,9 @@ function ExportPage() {
             onSortChange={setSortConfig}
             metricsMap={metricsMap}
             loadingRefs={loadingRefs}
+            metricsLoadingCount={loadingRefs.size}
+            onRefreshStats={handleRefreshStats}
+            isRefreshingStats={loadingRefs.size > 0}
             onSingleExport={handleSingleExport}
             onBatchExport={handleExportSelected}
             onAutomationExport={handleAutomationExportFromSelection}

src/pages/Export/components/SessionTable/SessionTable.scss

@@ -103,6 +103,42 @@
         }
       }
     }
+
+    .st-refresh-stats-btn {
+      width: 34px;
+      height: 34px;
+      flex: 0 0 auto;
+      display: inline-flex;
+      align-items: center;
+      justify-content: center;
+      border-radius: 17px;
+      border: 1px solid color-mix(in srgb, var(--border-color) 58%, transparent);
+      background: var(--bg-main, var(--bg-secondary));
+      color: var(--text-secondary);
+      cursor: pointer;
+      transition:
+        background 0.18s ease,
+        border-color 0.18s ease,
+        color 0.18s ease,
+        transform 0.18s ease,
+        opacity 0.18s ease;
+
+      &:hover:not(:disabled) {
+        background: color-mix(in srgb, var(--primary) 10%, var(--bg-surface));
+        border-color: color-mix(in srgb, var(--primary) 40%, var(--border-color));
+        color: var(--primary);
+        transform: translateY(-1px);
+      }
+
+      &:disabled {
+        cursor: default;
+        opacity: 0.58;
+      }
+
+      &.refreshing svg {
+        animation: stRefreshStatsSpin 0.9s linear infinite;
+      }
+    }
   }
 
   // ── Grid Layout Definition ───────────────────────────────────────────
@@ -145,6 +181,7 @@
   // ── List Body ───────────────────────────────────────────────────────────
   .table-body {
     flex: 1;
+    position: relative;
     overflow: hidden; // virtuoso handles scrolling
 
     .empty-state {
@@ -155,6 +192,66 @@
       color: var(--text-tertiary);
       font-size: 14px;
     }
+
+    .st-metrics-status {
+      position: absolute;
+      left: 50%;
+      bottom: 18px;
+      z-index: 4;
+      display: inline-flex;
+      align-items: center;
+      gap: 9px;
+      max-width: min(520px, calc(100% - 48px));
+      min-height: 36px;
+      padding: 8px 12px;
+      border-radius: 18px;
+      border: 1px solid color-mix(in srgb, var(--primary) 20%, var(--border-color));
+      background:
+        linear-gradient(135deg,
+          color-mix(in srgb, var(--primary) 10%, var(--bg-surface)),
+          color-mix(in srgb, var(--bg-surface) 92%, var(--bg-main))
+        );
+      box-shadow:
+        0 12px 30px color-mix(in srgb, var(--shadow-color) 18%, transparent),
+        0 1px 0 color-mix(in srgb, #fff 55%, transparent) inset;
+      color: var(--text-secondary);
+      font-size: 12px;
+      font-weight: 500;
+      line-height: 1.35;
+      pointer-events: none;
+      transform: translateX(-50%);
+      animation: stMetricsStatusEnter 0.24s cubic-bezier(0.2, 0.8, 0.2, 1) both;
+
+      &.leaving {
+        animation: stMetricsStatusExit 0.24s ease both;
+      }
+
+      .st-metrics-status-dot {
+        position: relative;
+        width: 8px;
+        height: 8px;
+        flex: 0 0 auto;
+        border-radius: 50%;
+        background: var(--primary);
+        box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 12%, transparent);
+
+        &::after {
+          content: '';
+          position: absolute;
+          inset: -5px;
+          border-radius: inherit;
+          border: 1px solid color-mix(in srgb, var(--primary) 36%, transparent);
+          animation: stMetricsStatusPulse 1.2s ease-out infinite;
+        }
+      }
+
+      .st-metrics-status-count {
+        flex: 0 0 auto;
+        padding-left: 2px;
+        color: var(--primary);
+        font-weight: 600;
+      }
+    }
   }
 
   // ── Data Row ────────────────────────────────────────────────────────────
@@ -429,3 +526,40 @@
   from { opacity: 0; }
   to { opacity: 1; }
 }
+
+@keyframes stMetricsStatusEnter {
+  from {
+    opacity: 0;
+    transform: translateX(-50%) translateY(10px) scale(0.98);
+  }
+  to {
+    opacity: 1;
+    transform: translateX(-50%) translateY(0) scale(1);
+  }
+}
+
+@keyframes stMetricsStatusExit {
+  from {
+    opacity: 1;
+    transform: translateX(-50%) translateY(0) scale(1);
+  }
+  to {
+    opacity: 0;
+    transform: translateX(-50%) translateY(8px) scale(0.98);
+  }
+}
+
+@keyframes stMetricsStatusPulse {
+  from {
+    opacity: 0.65;
+    transform: scale(0.65);
+  }
+  to {
+    opacity: 0;
+    transform: scale(1.6);
+  }
+}
+
+@keyframes stRefreshStatsSpin {
+  to { transform: rotate(360deg); }
+}

src/pages/Export/components/SessionTable/index.tsx

@@ -1,6 +1,6 @@
-import React, { memo, useRef, useCallback } from 'react'
+import React, { memo, useRef, useCallback, useEffect, useState } from 'react'
 import { Virtuoso, type VirtuosoHandle } from 'react-virtuoso'
-import { Search, Hash, Clock, MoreVertical, X, CheckSquare, Square } from 'lucide-react'
+import { Search, X, CheckSquare, Square, RefreshCw } from 'lucide-react'
 import type { SessionRow, ConversationTab, ContactsSortConfig } from '../../types'
 import type { SessionContentMetric } from '../../hooks/useSessionMetrics'
 import { conversationTabLabels, exportKindPriority } from '../../constants'
@@ -24,6 +24,9 @@ interface SessionTableProps {
   isLoading?: boolean
   metricsMap?: Record<string, SessionContentMetric>
   loadingRefs?: Set<string>
+  metricsLoadingCount?: number
+  onRefreshStats?: () => void
+  isRefreshingStats?: boolean
 }
 
 const SessionTable: React.FC<SessionTableProps> = ({
@@ -41,9 +44,32 @@ const SessionTable: React.FC<SessionTableProps> = ({
   onAutomationExport,
   isLoading,
   metricsMap,
-  loadingRefs
+  loadingRefs,
+  metricsLoadingCount = 0,
+  onRefreshStats,
+  isRefreshingStats = false
 }) => {
   const virtuosoRef = useRef<VirtuosoHandle>(null)
+  const [isStatsNoticeMounted, setIsStatsNoticeMounted] = useState(false)
+  const [isStatsNoticeLeaving, setIsStatsNoticeLeaving] = useState(false)
+  const isMetricsScanning = metricsLoadingCount > 0
+
+  useEffect(() => {
+    if (isMetricsScanning) {
+      setIsStatsNoticeMounted(true)
+      setIsStatsNoticeLeaving(false)
+      return
+    }
+
+    if (!isStatsNoticeMounted) return
+    setIsStatsNoticeLeaving(true)
+    const timer = window.setTimeout(() => {
+      setIsStatsNoticeMounted(false)
+      setIsStatsNoticeLeaving(false)
+    }, 260)
+
+    return () => window.clearTimeout(timer)
+  }, [isMetricsScanning, isStatsNoticeMounted])
 
   const handleSearchClear = () => onSearchChange('')
 
@@ -126,6 +152,19 @@ const SessionTable: React.FC<SessionTableProps> = ({
             </button>
           )}
         </div>
+
+        {onRefreshStats && (
+          <button
+            type="button"
+            className={`st-refresh-stats-btn ${isRefreshingStats ? 'refreshing' : ''}`}
+            onClick={onRefreshStats}
+            disabled={isRefreshingStats || isLoading || sessions.length === 0}
+            title="重建导出统计缓存"
+            aria-label="重建导出统计缓存"
+          >
+            <RefreshCw size={16} />
+          </button>
+        )}
       </div>
 
       {/* ─── Table Columns Header ─────────────────────────────────────── */}
@@ -288,6 +327,17 @@ const SessionTable: React.FC<SessionTableProps> = ({
             }}
           />
         )}
+
+        {isStatsNoticeMounted && (
+          <div
+            className={`st-metrics-status ${isStatsNoticeLeaving ? 'leaving' : ''}`}
+            aria-live="polite"
+          >
+            <span className="st-metrics-status-dot" />
+            <span>正在统计会话消息，已完成的结果会逐行更新</span>
+            <span className="st-metrics-status-count">{metricsLoadingCount.toLocaleString()} 项</span>
+          </div>
+        )}
       </div>
     </div>
   )

src/pages/Export/hooks/useSessionMetrics.ts

@@ -18,7 +18,7 @@ export interface SessionContentMetric {
   appMessages?: number
 }
 
-const METRICS_CHUNK_SIZE = 40
+const METRICS_CHUNK_SIZE = 160
 
 function chunkArray<T>(arr: T[], size: number): T[][] {
   const chunks: T[][] = []
@@ -33,7 +33,7 @@ interface SessionMetricsState {
   isLoading: boolean
   error: Error | null
   loadingRefs: Set<string>
-  fetchMetrics: (sessionIds: string[]) => Promise<void>
+  fetchMetrics: (sessionIds: string[], options?: { forceRefresh?: boolean }) => Promise<void>
 }
 
 export const useSessionMetrics = create<SessionMetricsState>((set, get) => ({
@@ -41,24 +41,44 @@ export const useSessionMetrics = create<SessionMetricsState>((set, get) => ({
   isLoading: false,
   error: null,
   loadingRefs: new Set(),
-  fetchMetrics: async (sessionIds: string[]) => {
+  fetchMetrics: async (sessionIds: string[], options?: { forceRefresh?: boolean }) => {
     if (sessionIds.length === 0) return
 
+    const forceRefresh = options?.forceRefresh === true
     const { metricsMap, loadingRefs } = get()
-    const missingIds = sessionIds.filter(id => !metricsMap[id] && !loadingRefs.has(id))
-    if (missingIds.length === 0) return
+    const normalizedIds = Array.from(new Set(sessionIds.map(id => String(id || '').trim()).filter(Boolean)))
+    const targetIds = forceRefresh
+      ? normalizedIds.filter(id => !loadingRefs.has(id))
+      : normalizedIds.filter(id => !metricsMap[id] && !loadingRefs.has(id))
+    if (targetIds.length === 0) return
 
     set({ isLoading: true, error: null })
 
     const newLoadingRefs = new Set(loadingRefs)
-    missingIds.forEach(id => newLoadingRefs.add(id))
-    set({ loadingRefs: newLoadingRefs })
+    targetIds.forEach(id => newLoadingRefs.add(id))
+    set(state => {
+      if (!forceRefresh) {
+        return { loadingRefs: newLoadingRefs }
+      }
+
+      const nextMetricsMap = { ...state.metricsMap }
+      targetIds.forEach(id => {
+        delete nextMetricsMap[id]
+      })
+      return {
+        loadingRefs: newLoadingRefs,
+        metricsMap: nextMetricsMap
+      }
+    })
 
     try {
       // 将会话分批顺序请求，每批返回后立即更新 UI，实现「扫出一个放一个」的渐进式效果。
-      const chunks = chunkArray(missingIds, METRICS_CHUNK_SIZE)
+      const chunks = chunkArray(targetIds, METRICS_CHUNK_SIZE)
       for (const chunk of chunks) {
-        const stats = await window.electronAPI.chat.getExportSessionStats(chunk, { includeRelations: false })
+        const stats = await window.electronAPI.chat.getExportSessionStats(chunk, {
+          includeRelations: false,
+          forceRefresh
+        })
 
         const newMetrics: Record<string, SessionContentMetric> = {}
         if (stats.success && stats.data) {
@@ -84,8 +104,8 @@ export const useSessionMetrics = create<SessionMetricsState>((set, get) => ({
     } finally {
       set(state => {
         const nextLoadingRefs = new Set(state.loadingRefs)
-        missingIds.forEach(id => nextLoadingRefs.delete(id))
-        return { loadingRefs: nextLoadingRefs, isLoading: false }
+        targetIds.forEach(id => nextLoadingRefs.delete(id))
+        return { loadingRefs: nextLoadingRefs, isLoading: nextLoadingRefs.size > 0 }
       })
     }
   }