chore: 抢单端UI回退前备份当前完整工作区

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

tab-bar/index.js

@@ -50,6 +50,7 @@ Component({
   lifetimes: {
     attached() {
       this.refresh();
+      this._restoreBadgeFromCache();
       this._badgeListener = (data) => {
         if (data.badgeText !== undefined) {
           this.setData({ badgeText: data.badgeText });
@@ -68,20 +69,48 @@ Component({
   pageLifetimes: {
     show() {
       this.refresh();
-      const globalBadge = app.globalData.messageManager?.tabBarBadgeText || '';
-      if (this.data.badgeText !== globalBadge) {
-        this.setData({ badgeText: globalBadge });
-      }
+      this._restoreBadgeFromCache();
       this._syncUnreadWithDebounce();
     },
   },
 
   methods: {
+    _restoreBadgeFromCache() {
+      const mm = app.globalData.messageManager || {};
+      let badgeText = mm.tabBarBadgeText || '';
+      if (!badgeText) {
+        try {
+          badgeText = wx.getStorageSync('tabBarMessageBadge') || '';
+        } catch (e) {}
+      }
+      if (!badgeText && mm.unreadTotal > 0) {
+        badgeText = mm.unreadTotal > 99 ? '99+' : String(mm.unreadTotal);
+      }
+      if (!badgeText) {
+        try {
+          const saved = wx.getStorageSync('messageUnreadTotal');
+          if (saved > 0) badgeText = saved > 99 ? '99+' : String(saved);
+        } catch (e) {}
+      }
+      if (badgeText && badgeText !== this.data.badgeText) {
+        this.setData({ badgeText });
+      }
+      if (app.restoreTabBarBadge) app.restoreTabBarBadge();
+    },
+
     _syncUnreadWithDebounce() {
       if (this._syncTimer) clearTimeout(this._syncTimer);
       this._syncTimer = setTimeout(() => {
-        if (app && app.loadConversations) app.loadConversations();
-      }, 300);
+        if (app.globalData.goEasyConnection) {
+          app.globalData.goEasyConnection.autoReconnect = true;
+        }
+        if (app.startImWhenReady) {
+          app.startImWhenReady();
+        } else {
+          if (app.ensureConnection) app.ensureConnection();
+          if (app.loadConversations) app.loadConversations();
+        }
+      }, 200);
     },
 
     refresh() {