fix: onPageNotFound 兜底防空页崩溃 + 首页/记录页接入 i18n(语言切换覆盖全部3个tab)

miniprogram/pages/history/history.wxml

@@ -3,31 +3,31 @@
     <view class="stats-row">
       <view class="stat-card">
         <view class="stat-value">{{total}}</view>
-        <view class="stat-label">累计次数</view>
+        <view class="stat-label">{{i18n.history.statTotal}}</view>
       </view>
       <view class="stat-card">
         <view class="stat-value">{{totalHours}}h</view>
-        <view class="stat-label">累计时长</view>
+        <view class="stat-label">{{i18n.history.statHours}}</view>
       </view>
       <view class="stat-card">
         <view class="stat-value">{{monthCount}}</view>
-        <view class="stat-label">本月次数</view>
+        <view class="stat-label">{{i18n.history.statMonth}}</view>
       </view>
     </view>
 
-    <view class="section-title">最近记录</view>
+    <view class="section-title">{{i18n.history.recentTitle}}</view>
 
     <view class="record-item" wx:for="{{records}}" wx:key="session_id">
       <view class="record-date">{{item.date_text}}</view>
-      <text class="record-mode {{item.mode === 1 ? 'smart' : 'normal'}}">{{item.mode === 1 ? '✨ 智能' : '🔄 普通'}}</text>
+      <text class="record-mode {{item.mode === 1 ? 'smart' : 'normal'}}">{{item.mode === 1 ? i18n.history.smart : i18n.history.normal}}</text>
       <view class="record-details">{{item.duration_text}}</view>
     </view>
 
     <view class="empty-state" wx:if="{{!loading && records.length === 0}}">
       <text class="empty-icon">📃</text>
-      <view class="empty-text">暂无使用记录</view>
+      <view class="empty-text">{{i18n.history.empty}}</view>
     </view>
 
-    <view class="loading-more" wx:if="{{loadingMore}}">加载更多...</view>
+    <view class="loading-more" wx:if="{{loadingMore}}">{{i18n.history.loadingMore}}</view>
   </view>
 </view>