修复消息监听角标、历史记录加载与重复订单卡片推送

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

miniprogram/pages/xiaoxi/xiaoxi.js

@@ -32,14 +32,34 @@ Page({
                 this.renderConversations(content);
             }
         };
+        this._onUnreadChanged = (data) => {
+            const unreadTotal = data?.unreadTotal ?? app.globalData.messageManager?.unreadTotal ?? 0;
+            if (app.globalData.messageManager) {
+                app.globalData.messageManager.unreadTotal = unreadTotal;
+            }
+            if (app.emitEvent) {
+                app.emitEvent('tabBarBadgeChanged', {
+                    badgeText: unreadTotal > 0 ? String(unreadTotal) : '',
+                });
+            }
+            if (this.data.currentUser) {
+                this.loadConversations();
+            }
+        };
         app.on('conversationsUpdated', this._onGlobalConvUpdated);
-        app.on('unreadCountChanged', this._onGlobalConvUpdated);
+        app.on('unreadCountChanged', this._onUnreadChanged);
     },
 
     onUnload() {
         if (this._onGlobalConvUpdated) {
             app.off('conversationsUpdated', this._onGlobalConvUpdated);
-            app.off('unreadCountChanged', this._onGlobalConvUpdated);
+        }
+        if (this._onUnreadChanged) {
+            app.off('unreadCountChanged', this._onUnreadChanged);
+        }
+        if (this.conversationsUpdatedListener && wx.goEasy?.im) {
+            wx.goEasy.im.off(wx.GoEasy.IM_EVENT.CONVERSATIONS_UPDATED, this.conversationsUpdatedListener);
+            this.conversationsUpdatedListener = null;
         }
     },
 
@@ -55,11 +75,7 @@ Page({
         this.checkPermissionAndAutoConnect();
     },
 
-    // ❌ 原版注释保留：删除所有清理逻辑，监听器永久存活
     onHide() {},
-    onUnload() {},
-
-    // ========== 鉴权检查 ==========
     async checkPermissionAndAutoConnect() {
         const seq = ++this._permissionSeq;
         let quanxian;