同步聊天修复到根目录pages/utils（与副本工程结构一致）

Co-authored-by: Cursor <cursoragent@cursor.com>

utils/chat-core.js

@@ -1,6 +1,7 @@
 // utils/chat-core.js
 import GoEasy from '../static/lib/goeasy-2.13.24.esm.min';
 import { jianquanxian } from './imAuth/jianquanxian';
+import { getFreshImUser } from './im-user.js';
 
 let _globalPrivateHandler = null;
 let _globalGroupHandler = null;
@@ -209,16 +210,22 @@ async function connectWithIdentity(app, identityType, userId, isAutoRestore = fa
   saveConnectionState(app);
 
   const uid = wx.getStorageSync('uid');
+  const role = app.globalData.currentRole || identityType || 'normal';
+  const freshUser = getFreshImUser(app, role, uid);
   const currentUser = app.globalData.currentUser || {
     id: uid,
-    name: '用户' + (uid ? uid.substring(0, 6) : ''),
-    avatar: app.globalData.ossImageUrl + app.globalData.morentouxiang,
+    name: freshUser.name,
+    avatar: freshUser.avatar,
   };
 
   return new Promise((resolve, reject) => {
     wx.goEasy.connect({
       id: userId,
-      data: { name: currentUser.name, avatar: currentUser.avatar, identityType },
+      data: {
+        name: freshUser.name || currentUser.name,
+        avatar: freshUser.avatar || currentUser.avatar || (app.globalData.ossImageUrl + app.globalData.morentouxiang),
+        identityType,
+      },
       onSuccess: () => {
         app.globalData.goEasyConnection.status = 'connected';
         app.globalData.goEasyConnection.lastConnectTime = Date.now();