refactor(im): 对齐文赫电竞消息系统（配对群ID+稳定监听）

pages/fighter-order-detail/fighter-order-detail.js

@@ -285,7 +285,7 @@ Page({
     });
   },
 
-  // ===== 联系老板（订单群 groupId = 订单号） =====
+  // ===== 联系老板/商家（配对群 group_Ds{打手}_Sj/Boss{对方}） =====
   goToChatWithBoss() {
     const uid = wx.getStorageSync('uid')
     if (!uid) {
@@ -299,10 +299,17 @@ Page({
       return
     }
 
+    const fadanPingtai = this.data.jibenShuju.fadanpingtai || 0
+    const partnerUid = fadanPingtai === 2
+      ? (this.data.xiangxiShuju.shangjia_id || '')
+      : (this.data.xiangxiShuju.laoban_id || '')
+
     connectionManager.connectToGroupChat({
       identityType: 'dashou',
       userId: 'Ds' + uid,
       orderId: orderId,
+      partnerUid,
+      fadanPingtai,
       groupName: (this.data.jibenShuju.nicheng || '订单') + '的订单群',
       isCross: this.data.jibenShuju.fadanpingtai || 0,
     }).catch((err) => {