#1092 #1090 #1089 #1052 #1048

src/pages/Export/ExportPage.tsx

@@ -6,7 +6,7 @@
  */
 
 import { memo, useEffect, useState, useCallback } from 'react'
-import { useLocation } from 'react-router-dom'
+import { useLocation, useNavigate } from 'react-router-dom'
 import ExportTopBar from './components/ExportTopBar'
 import SessionTable from './components/SessionTable'
 import ExportDialog from './components/ExportDialog'
@@ -28,18 +28,26 @@ import { AutomationTaskForm } from './components/Automation/AutomationTaskForm'
 
 import type { SessionRow } from './types'
 import { getSelectionScopeFromRows, resolveScopeDisplayNames } from './utils/session'
+import {
+  emitSingleExportDialogStatus,
+  onOpenSingleExport,
+  type OpenSingleExportPayload
+} from '../../services/exportBridge'
 import './ExportPage.scss'
 
 function ExportPage() {
   const location = useLocation()
+  const navigate = useNavigate()
   const isExportRoute = location.pathname === '/export'
 
   const [selectedSessionIds, setSelectedSessionIds] = useState<Set<string>>(new Set())
   const [isSettingsModalOpen, setIsSettingsModalOpen] = useState(false)
   const [isAutomationModalOpen, setIsAutomationModalOpen] = useState(false)
   const [draftAutomationPayload, setDraftAutomationPayload] = useState<any>(null)
+  const [pendingSingleExportRequest, setPendingSingleExportRequest] = useState<OpenSingleExportPayload | null>(null)
 
   const { 
+    isLoaded: isConfigLoaded,
     options, 
     updateOptions,
     exportPath,
@@ -63,6 +71,7 @@ function ExportPage() {
   const { metricsMap, fetchMetrics } = useSessionMetrics()
 
   const {
+    sessions,
     filteredSessions,
     isLoading: isSessionsLoading,
     activeTab,
@@ -115,6 +124,13 @@ function ExportPage() {
   // ── 4. Dialog & Exports ──
   const { dialogState, openDialog, closeDialog } = useExportDialog()
 
+  const resolveSingleExportName = useCallback((payload: OpenSingleExportPayload) => {
+    const sessionId = String(payload.sessionId || '').trim()
+    const payloadName = typeof payload.sessionName === 'string' ? payload.sessionName.trim() : ''
+    const sessionRow = sessions.find(s => s.username === sessionId)
+    return payloadName || sessionRow?.displayName || sessionRow?.remark || sessionRow?.nickname || sessionId
+  }, [sessions])
+
   const handleExportDefaultsChanged = useCallback((patch: ExportDefaultsSettingsPatch) => {
     updateOptions({
       ...(patch.format ? { defaultFormat: patch.format as any } : {}),
@@ -171,6 +187,58 @@ function ExportPage() {
     })
   }, [displayedSessions, options.displayNamePreference, openDialog])
 
+  const handleOpenSingleExportRequest = useCallback((payload: OpenSingleExportPayload) => {
+    const requestId = typeof payload?.requestId === 'string' ? payload.requestId.trim() : ''
+    const sessionId = typeof payload?.sessionId === 'string' ? payload.sessionId.trim() : ''
+
+    if (!requestId || !sessionId) {
+      if (requestId) {
+        emitSingleExportDialogStatus({
+          requestId,
+          status: 'failed',
+          message: '无法打开导出配置：缺少会话信息'
+        })
+      }
+      return
+    }
+
+    emitSingleExportDialogStatus({ requestId, status: 'initializing' })
+
+    if (!isConfigLoaded) {
+      setPendingSingleExportRequest({
+        ...payload,
+        requestId,
+        sessionId
+      })
+      return
+    }
+
+    const sessionName = resolveSingleExportName(payload)
+    setSelectedSessionIds(new Set([sessionId]))
+    setActiveTab(sessionId.includes('@chatroom') ? 'group' : 'private')
+    navigate('/export')
+
+    openDialog({
+      intent: 'manual',
+      scope: 'single',
+      sessionIds: [sessionId],
+      sessionNames: [sessionName],
+      title: `导出: ${sessionName}`
+    })
+
+    emitSingleExportDialogStatus({ requestId, status: 'opened' })
+  }, [isConfigLoaded, navigate, openDialog, resolveSingleExportName, setActiveTab])
+
+  useEffect(() => {
+    return onOpenSingleExport(handleOpenSingleExportRequest)
+  }, [handleOpenSingleExportRequest])
+
+  useEffect(() => {
+    if (!isConfigLoaded || !pendingSingleExportRequest) return
+    setPendingSingleExportRequest(null)
+    handleOpenSingleExportRequest(pendingSingleExportRequest)
+  }, [handleOpenSingleExportRequest, isConfigLoaded, pendingSingleExportRequest])
+
   const handleConfirmExport = useCallback((finalOptions: any) => {
     startTask({
       sessionIds: dialogState.sessionIds,

src/pages/Export/components/ExportDialog/ExportDialog.scss

@@ -326,7 +326,7 @@
           }
         }
 
-        .file-size-limit, .concurrency-control, .path-style-control {
+        .file-size-limit, .concurrency-control, .path-style-control, .conflict-strategy-control {
           margin-top: 16px;
           display: flex;
           align-items: center;
@@ -354,7 +354,7 @@
           }
         }
 
-        .path-style-control {
+        .path-style-control, .conflict-strategy-control {
           flex: 1 1 100%;
           margin-top: 4px;
 
@@ -362,7 +362,7 @@
             flex: 0 0 auto;
           }
 
-          .path-style-segmented {
+          .path-style-segmented, .conflict-strategy-segmented {
             display: inline-flex;
             min-height: 34px;
             padding: 3px;

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

@@ -21,7 +21,7 @@ import {
   type ExportDefaultDateRangeConfig
 } from '../../../../utils/exportDateRange'
 import type { ExportDialogState, ExportOptions, TextExportFormat } from '../../types'
-import { formatOptions, MAX_EXPORT_FILE_SIZE_MB_LIMIT } from '../../constants'
+import { conflictStrategyOptions, formatOptions, MAX_EXPORT_FILE_SIZE_MB_LIMIT } from '../../constants'
 import { formatPathBrief } from '../../utils/format'
 import './ExportDialog.scss'
 
@@ -282,6 +282,23 @@ const ExportDialog: React.FC<ExportDialogProps> = ({
                 </div>
               </div>
 
+              <div className="conflict-strategy-control">
+                <span>同名文件:</span>
+                <div className="conflict-strategy-segmented" title="控制导出目标已有同名文件时的处理方式">
+                  {conflictStrategyOptions.map(item => (
+                    <button
+                      key={item.value}
+                      type="button"
+                      className={options.exportConflictStrategy === item.value ? 'active' : ''}
+                      title={item.desc}
+                      onClick={() => onOptionsChange({ exportConflictStrategy: item.value })}
+                    >
+                      {item.label}
+                    </button>
+                  ))}
+                </div>
+              </div>
+
               <div className="concurrency-control">
                 <span>导出并发数:</span>
                 <select

src/pages/Export/constants.ts

@@ -7,6 +7,7 @@ import type {
   ContentType,
   ConversationTab,
   DisplayNamePreference,
+  ExportConflictStrategy,
   TextExportFormat,
   TaskProgress,
   ContactsSortConfig
@@ -45,6 +46,7 @@ export const formatOptions: Array<{ value: TextExportFormat; label: string; desc
   { value: 'json', label: 'JSON', desc: '详细格式，包含完整消息信息' },
   { value: 'arkme-json', label: 'Arkme JSON', desc: '紧凑 JSON，支持 sender 去重与关系统计' },
   { value: 'html', label: 'HTML', desc: '网页格式，可直接浏览' },
+  { value: 'markdown', label: 'Markdown', desc: '支持文本、图片与链接，适合 AI 场景' },
   { value: 'txt', label: 'TXT', desc: '纯文本，通用格式' },
   { value: 'excel', label: 'Excel', desc: '电子表格，适合统计分析' },
   { value: 'weclone', label: 'WeClone CSV', desc: 'WeClone 兼容字段格式（CSV）' },
@@ -59,6 +61,12 @@ export const displayNameOptions: Array<{ value: DisplayNamePreference; label: st
   { value: 'nickname', label: '微信昵称', desc: '始终显示微信昵称' }
 ]
 
+export const conflictStrategyOptions: Array<{ value: ExportConflictStrategy; label: string; desc: string }> = [
+  { value: 'incremental', label: '增量跳过', desc: '复用已有同名媒体；聊天文件有变化时更新原文件' },
+  { value: 'overwrite', label: '全量覆盖', desc: '同名文件直接替换，适合强制刷新导出结果' },
+  { value: 'rename', label: '保留副本', desc: '同名导出追加序号，保留旧版本' }
+]
+
 // ─── Write layout options ────────────────────────────────────
 
 export const writeLayoutOptions: Array<{ value: ExportWriteLayout; label: string; desc: string }> = [
@@ -163,6 +171,7 @@ export const createDefaultExportOptions = (): import('./types').ExportOptions =>
   maxFileSizeMb: 200,
   exportVoiceAsText: false,
   exportPathStyle: 'auto',
+  exportConflictStrategy: 'incremental',
   excelCompactColumns: true,
   txtColumns: defaultTxtColumns,
   displayNamePreference: 'remark',

src/pages/Export/hooks/useExportTasks.ts

@@ -11,6 +11,7 @@ import { createEmptyProgress } from '../constants'
 import { useExportTaskStore } from '../../../stores/exportTaskStore'
 import { buildProgressPayloadSignature } from '../utils/progress'
 import { resolvePerfStageByPhase, applyProgressToTaskPerformance } from '../utils/performance'
+import { emitExportSessionStatus, onExportSessionStatusRequest } from '../../../services/exportBridge'
 import type { ExportProgress } from '../types'
 
 export interface ExportTasksResult {
@@ -32,19 +33,32 @@ export function useExportTasks(): ExportTasksResult {
 
   const { setSessionStatus } = useExportTaskStore()
 
-  // Track the ongoing tasks to update the global zustand store badge
-  useEffect(() => {
+  const publishSessionStatus = useCallback(() => {
     const activeTasks = tasksRef.current.filter(t => t.status === 'running' || t.status === 'cancel_requested')
     const inProgressSessionIds = new Set<string>()
     activeTasks.forEach(task => {
       task.payload.sessionIds.forEach(id => inProgressSessionIds.add(id))
     })
 
-    setSessionStatus({
+    const payload = {
       activeTaskCount: activeTasks.length,
       inProgressSessionIds: Array.from(inProgressSessionIds)
-    })
-  }, [tasks, setSessionStatus])
+    }
+
+    setSessionStatus(payload)
+    emitExportSessionStatus(payload)
+  }, [setSessionStatus])
+
+  // Track the ongoing tasks to update the global zustand store badge
+  useEffect(() => {
+    publishSessionStatus()
+  }, [tasks, publishSessionStatus])
+
+  useEffect(() => {
+    const unsubscribe = onExportSessionStatusRequest(publishSessionStatus)
+    publishSessionStatus()
+    return unsubscribe
+  }, [publishSessionStatus])
 
   const updateTask = useCallback((taskId: string, updater: (prev: ExportTask) => ExportTask) => {
     setTasks(prev => prev.map(t => t.id === taskId ? updater(t) : t))

src/pages/Export/types.ts

@@ -30,12 +30,15 @@ export type SessionLayout = 'shared' | 'per-session'
 
 export type DisplayNamePreference = 'group-nickname' | 'remark' | 'nickname'
 
+export type ExportConflictStrategy = 'incremental' | 'overwrite' | 'rename'
+
 export type TextExportFormat =
   | 'chatlab'
   | 'chatlab-jsonl'
   | 'json'
   | 'arkme-json'
   | 'html'
+  | 'markdown'
   | 'txt'
   | 'excel'
   | 'weclone'
@@ -67,6 +70,7 @@ export interface ExportOptions {
   maxFileSizeMb: number
   exportVoiceAsText: boolean
   exportPathStyle: 'auto' | 'posix' | 'windows'
+  exportConflictStrategy: ExportConflictStrategy
   excelCompactColumns: boolean
   txtColumns: string[]
   displayNamePreference: DisplayNamePreference