feat(groups): 微信群操作列加「导出HTML聊天记录」（补 Plan3 漏的操作）

Co-Authored-By: Claude <noreply@anthropic.com>

yunkes/src/views/GroupList.vue

@@ -3,6 +3,7 @@ import { computed, onMounted, reactive, ref, watch } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { ElMessage } from 'element-plus'
 import { getGroups } from '@/api'
+import { downloadBlob } from '@/api/client'
 import type { Channel, Group } from '@/api/types'
 import { useChannelStore } from '@/stores/channel'
 import { channelLabel, formatTime } from '@/utils/format'
@@ -151,6 +152,28 @@ function viewChatFromDrawer(): void {
   viewChat(row)
 }
 
+/**
+ * 微信群「导出HTML聊天记录」→ 后端 /api/export/chat-html（room_id）。
+ * 云客群列表导出按钮直接导出，无时间选择 modal（仅微信客户有「请选择时间」）。
+ * WA 群 tab 无此操作（云客 WA 群列表无导出）。
+ */
+async function exportGroupHtml(row: Group): Promise<void> {
+  if (!row.owner_account_id || !row.room_id) {
+    ElMessage.warning('该群缺少归属账号/群标识，无法导出')
+    return
+  }
+  try {
+    await downloadBlob('/export/chat-html', {
+      channel: row.channel,
+      owner_account_id: row.owner_account_id,
+      room_id: row.room_id,
+    })
+    ElMessage.success('导出已开始')
+  } catch (e) {
+    ElMessage.error(`导出失败，请稍后重试：${(e as Error).message}`)
+  }
+}
+
 /** 清除 owner_account_id query（保留其余 query）。 */
 function clearOwnerFilter(): void {
   const { owner_account_id: _drop, ...rest } = route.query
@@ -267,11 +290,10 @@ onMounted(() => {
           <el-table-column label="消息数量" width="100" align="right">
             <template #default="{ row }">{{ cellNum(row, 'messageCount') }}</template>
           </el-table-column>
-          <el-table-column label="操作" width="130" fixed="right" align="center">
+          <el-table-column label="操作" width="220" fixed="right" align="center">
             <template #default="{ row }">
-              <el-button link type="primary" size="small" @click.stop="viewChat(row)">
-                查看聊天记录
-              </el-button>
+              <el-button link type="primary" size="small" @click.stop="viewChat(row)">查看聊天记录</el-button>
+              <el-button link type="primary" size="small" @click.stop="exportGroupHtml(row)">导出HTML聊天记录</el-button>
             </template>
           </el-table-column>
         </el-table>