feat(modules): 帮助中心、工单、工作流与多渠道接入

补齐 FAQ、帮助中心、工单、可视化工作流及 Telegram/WhatsApp/Slack 等渠道模块。

frontend/src/composables/useTicketSocket.ts

@@ -0,0 +1,59 @@
+/*
+Copyright 2024-2026 ReplyPier
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Live ticket updates: joins the per-org ticket room on the /agent namespace
+and forwards `ticket_update` frames. Callers keep a poll fallback — a missed
+frame is never fatal.
+*/
+
+import { onBeforeUnmount, onMounted } from 'vue'
+import { socketService } from '@/services/socket'
+import { userService } from '@/services/user'
+import type { TicketUpdateEvent } from '@/types/ticket'
+
+export function useTicketSocket(onUpdate: (event: TicketUpdateEvent) => void) {
+  const orgId = userService.getCurrentUser()?.organization_id
+  const room = orgId ? `org_tickets_${orgId}` : null
+
+  const handleUpdate = (data: unknown) => {
+    const event = data as TicketUpdateEvent
+    if (event && event.ticket_id) onUpdate(event)
+  }
+
+  const joinRoom = () => {
+    if (room) socketService.emit('join_room', { session_id: room })
+  }
+
+  const handleReconnect = () => {
+    socketService.off('ticket_update', handleUpdate)
+    socketService.on('ticket_update', handleUpdate)
+    joinRoom()
+  }
+
+  onMounted(() => {
+    if (!room) return
+    socketService.connect()
+    socketService.on('ticket_update', handleUpdate)
+    socketService.onReconnect(handleReconnect)
+    joinRoom()
+  })
+
+  onBeforeUnmount(() => {
+    if (!room) return
+    socketService.emit('leave_room', { session_id: room })
+    socketService.off('ticket_update', handleUpdate)
+    socketService.offReconnect(handleReconnect)
+  })
+}