fix: 修复记录页登录状态检测和重试逻辑

pages/records/records.js

@@ -7,20 +7,57 @@ Page({
     records: [],
     filteredRecords: [],
     currentTab: 'all',
-    loading: true
+    loading: true,
+    isLoggedIn: false,
+    loginFailed: false
   },
 
   onLoad() {
-    this.loadRecords()
+    if (app.globalData.isLoggedIn) {
+      this.onLoginReady()
+    } else if (app.globalData.loginFailed) {
+      this.onLoginFailed()
+    } else {
+      app.loginReadyCallback = (userInfo) => {
+        app.loginReadyCallback = null
+        if (userInfo) {
+          this.onLoginReady()
+        } else {
+          this.onLoginFailed()
+        }
+      }
+    }
   },
 
   onShow() {
-    // 仅从预约页返回时刷新，避免 onLoad + onShow 双重加载
-    if (this.data._loaded) {
+    // 已加载过且已登录时刷新（从预约页返回等场景）
+    if (this.data._loaded && app.globalData.isLoggedIn) {
       this.loadRecords()
     }
   },
 
+  onLoginReady() {
+    this.setData({ isLoggedIn: true, loginFailed: false })
+    this.loadRecords()
+  },
+
+  onLoginFailed() {
+    this.setData({ isLoggedIn: false, loginFailed: true, loading: false })
+  },
+
+  onRetry() {
+    this.setData({ loginFailed: false, loading: true })
+    app.silentLogin()
+    app.loginReadyCallback = (userInfo) => {
+      app.loginReadyCallback = null
+      if (userInfo) {
+        this.onLoginReady()
+      } else {
+        this.onLoginFailed()
+      }
+    }
+  },
+
   async loadRecords() {
     this.setData({ loading: true })
     try {

pages/records/records.wxml

@@ -20,7 +20,7 @@
   </view>
 
   <!-- 记录列表 -->
-  <view class="record-list" wx:if="{{!loading && filteredRecords.length > 0}}">
+  <view class="record-list" wx:if="{{!loading && !loginFailed && filteredRecords.length > 0}}">
     <view class="record-card" wx:for="{{filteredRecords}}" wx:key="_id">
       <view class="record-header">
         <view wx:if="{{item.status === 'approved'}}" class="qrcode-btn" bindtap="showQrcode" data-id="{{item._id}}">
@@ -70,8 +70,15 @@
     <text class="empty-text">加载中...</text>
   </view>
 
+  <!-- 登录失败 -->
+  <view class="empty" wx:if="{{loginFailed}}">
+    <text class="empty-icon">⚠️</text>
+    <text class="empty-text">登录失败，请重试</text>
+    <view class="empty-btn" bindtap="onRetry">重新登录</view>
+  </view>
+
   <!-- 空状态 -->
-  <view class="empty" wx:if="{{!loading && filteredRecords.length === 0}}">
+  <view class="empty" wx:if="{{!loading && !loginFailed && filteredRecords.length === 0}}">
     <text class="empty-icon">📭</text>
     <text class="empty-text">暂无预约记录</text>
     <view class="empty-btn" bindtap="goAppointment">去预约</view>