perf(export): speed up session detail stats loading

electron/services/chatService.ts

@@ -5209,39 +5209,36 @@ class ChatService {
         return { success: true, detail: cachedDetail.detail }
       }
 
-      const [tableStatsResult, statsResult] = await Promise.allSettled([
-        wcdbService.getMessageTableStats(normalizedSessionId),
-        (async (): Promise<ExportSessionStats | null> => {
-          const cachedStats = this.getSessionStatsCacheEntry(normalizedSessionId)
-          if (cachedStats && this.supportsRequestedRelation(cachedStats.entry, false)) {
-            return this.fromSessionStatsCacheStats(cachedStats.entry.stats)
-          }
-          const myWxid = this.configService.get('myWxid') || ''
-          const selfIdentitySet = new Set<string>(this.buildIdentityKeys(myWxid))
-          const stats = await this.getOrComputeSessionExportStats(normalizedSessionId, false, selfIdentitySet)
-          this.setSessionStatsCacheEntry(normalizedSessionId, stats, false)
-          return stats
-        })()
-      ])
-
-      const statsSnapshot = statsResult.status === 'fulfilled'
-        ? statsResult.value
-        : null
-      const firstMessageTime = statsSnapshot && Number.isFinite(statsSnapshot.firstTimestamp)
-        ? Math.max(0, Math.floor(statsSnapshot.firstTimestamp as number))
-        : undefined
-      const latestMessageTime = statsSnapshot && Number.isFinite(statsSnapshot.lastTimestamp)
-        ? Math.max(0, Math.floor(statsSnapshot.lastTimestamp as number))
-        : undefined
+      const tableStatsResult = await wcdbService.getMessageTableStats(normalizedSessionId)
 
       const messageTables: { dbName: string; tableName: string; count: number }[] = []
-      if (tableStatsResult.status === 'fulfilled' && tableStatsResult.value.success && tableStatsResult.value.tables) {
-        for (const row of tableStatsResult.value.tables) {
+      let firstMessageTime: number | undefined
+      let latestMessageTime: number | undefined
+      if (tableStatsResult.success && tableStatsResult.tables) {
+        for (const row of tableStatsResult.tables) {
           messageTables.push({
             dbName: basename(row.db_path || ''),
             tableName: row.table_name || '',
             count: parseInt(row.count || '0', 10)
           })
+
+          const firstTs = this.getRowInt(
+            row,
+            ['first_timestamp', 'firstTimestamp', 'first_time', 'firstTime', 'min_create_time', 'minCreateTime'],
+            0
+          )
+          if (firstTs > 0 && (firstMessageTime === undefined || firstTs < firstMessageTime)) {
+            firstMessageTime = firstTs
+          }
+
+          const lastTs = this.getRowInt(
+            row,
+            ['last_timestamp', 'lastTimestamp', 'last_time', 'lastTime', 'max_create_time', 'maxCreateTime'],
+            0
+          )
+          if (lastTs > 0 && (latestMessageTime === undefined || lastTs > latestMessageTime)) {
+            latestMessageTime = lastTs
+          }
         }
       }
 

src/pages/ExportPage.tsx

@@ -3514,7 +3514,7 @@ function ExportPage() {
         window.electronAPI.chat.getSessionDetailExtra(normalizedSessionId),
         window.electronAPI.chat.getExportSessionStats(
           [normalizedSessionId],
-          { includeRelations: false, forceRefresh: true, preferAccurateSpecialTypes: true }
+          { includeRelations: false, allowStaleCache: true }
         )
       ])
 
@@ -3535,48 +3535,46 @@ function ExportPage() {
         }
       }
 
-      let refreshIncludeRelations = false
-      let shouldRefreshStats = false
       if (statsResultSettled.status === 'fulfilled' && statsResultSettled.value.success) {
         const metric = statsResultSettled.value.data?.[normalizedSessionId] as SessionExportMetric | undefined
         const cacheMeta = statsResultSettled.value.cache?.[normalizedSessionId] as SessionExportCacheMeta | undefined
-        refreshIncludeRelations = Boolean(cacheMeta?.includeRelations)
         if (metric) {
-          applySessionDetailStats(normalizedSessionId, metric, cacheMeta, refreshIncludeRelations)
+          applySessionDetailStats(normalizedSessionId, metric, cacheMeta, false)
         } else if (cacheMeta) {
           setSessionDetail((prev) => {
             if (!prev || prev.wxid !== normalizedSessionId) return prev
             return {
               ...prev,
-              relationStatsLoaded: refreshIncludeRelations || prev.relationStatsLoaded,
               statsUpdatedAt: cacheMeta.updatedAt,
               statsStale: cacheMeta.stale
             }
           })
         }
-        shouldRefreshStats = Array.isArray(statsResultSettled.value.needsRefresh) &&
-          statsResultSettled.value.needsRefresh.includes(normalizedSessionId)
       }
 
-      if (shouldRefreshStats) {
       setIsRefreshingSessionDetailStats(true)
       void (async () => {
         try {
+          // 后台精确补算三类重字段（转账/红包/通话），不阻塞首屏基础统计显示。
           const freshResult = await window.electronAPI.chat.getExportSessionStats(
             [normalizedSessionId],
-              { includeRelations: refreshIncludeRelations, forceRefresh: true, preferAccurateSpecialTypes: true }
+            { includeRelations: false, forceRefresh: true, preferAccurateSpecialTypes: true }
           )
           if (requestSeq !== detailRequestSeqRef.current) return
           if (freshResult.success && freshResult.data) {
             const metric = freshResult.data[normalizedSessionId] as SessionExportMetric | undefined
             const cacheMeta = freshResult.cache?.[normalizedSessionId] as SessionExportCacheMeta | undefined
             if (metric) {
-                applySessionDetailStats(
-                  normalizedSessionId,
-                  metric,
-                  cacheMeta,
-                  refreshIncludeRelations ? true : undefined
-                )
+              applySessionDetailStats(normalizedSessionId, metric, cacheMeta, false)
+            } else if (cacheMeta) {
+              setSessionDetail((prev) => {
+                if (!prev || prev.wxid !== normalizedSessionId) return prev
+                return {
+                  ...prev,
+                  statsUpdatedAt: cacheMeta.updatedAt,
+                  statsStale: cacheMeta.stale
+                }
+              })
             }
           }
         } catch (error) {
@@ -3587,7 +3585,6 @@ function ExportPage() {
           }
         }
       })()
-      }
     } catch (error) {
       console.error('导出页加载会话详情补充统计失败:', error)
     } finally {
@@ -3619,36 +3616,6 @@ function ExportPage() {
       if (metric) {
         applySessionDetailStats(normalizedSessionId, metric, cacheMeta, true)
       }
-
-      const needRefresh = relationResult.success &&
-        Array.isArray(relationResult.needsRefresh) &&
-        relationResult.needsRefresh.includes(normalizedSessionId)
-
-      if (needRefresh) {
-        setIsRefreshingSessionDetailStats(true)
-        void (async () => {
-          try {
-            const freshResult = await window.electronAPI.chat.getExportSessionStats(
-              [normalizedSessionId],
-              { includeRelations: true, forceRefresh: true, preferAccurateSpecialTypes: true }
-            )
-            if (requestSeq !== detailRequestSeqRef.current) return
-            if (freshResult.success && freshResult.data) {
-              const freshMetric = freshResult.data[normalizedSessionId] as SessionExportMetric | undefined
-              const freshMeta = freshResult.cache?.[normalizedSessionId] as SessionExportCacheMeta | undefined
-              if (freshMetric) {
-                applySessionDetailStats(normalizedSessionId, freshMetric, freshMeta, true)
-              }
-            }
-          } catch (error) {
-            console.error('导出页刷新会话关系统计失败:', error)
-          } finally {
-            if (requestSeq === detailRequestSeqRef.current) {
-              setIsRefreshingSessionDetailStats(false)
-            }
-          }
-        })()
-      }
     } catch (error) {
       console.error('导出页加载会话关系统计失败:', error)
     } finally {