feat(i18n): 剩余15页全量接入中英(登录/注册/扫码/绑定/佩戴/扫描/治疗/订阅/帮助等)

- 3 个并行 agent 各管 5 页,互不重叠命名空间
- 全 App 18 页均 i18n.bind,22 命名空间/400 键中英对齐
- 动态文案(时长/天数/价格/区域)JS 内 i18n.t 计算;区域标签复用 common.regions

miniprogram/pages/ble-connect/ble-connect.wxml

@@ -1,31 +1,31 @@
 <view class="page">
   <view class="page-header page-header-pink" style="padding-top: {{statusBarHeight + 24}}px;">
-    <view class="nav-back" bindtap="onBack">‹ 返回</view>
-    <view class="page-header-title">蓝牙连接</view>
-    <view class="page-header-subtitle">{{state === 'scanning' ? '正在搜索设备...' : state === 'connecting' ? '正在连接设备...' : state === 'binding' ? '正在绑定...' : '连接失败'}}</view>
+    <view class="nav-back" bindtap="onBack">‹ {{i18n.common.back}}</view>
+    <view class="page-header-title">{{i18n.bleConnect.title}}</view>
+    <view class="page-header-subtitle">{{state === 'scanning' ? i18n.bleConnect.searchingSub : state === 'connecting' ? i18n.bleConnect.connectingSub : state === 'binding' ? i18n.bleConnect.bindingSub : i18n.bleConnect.failedSub}}</view>
   </view>
 
   <view class="page-content">
     <view class="info-tip">
       <text>📡</text>
-      <text>请确保手机蓝牙已开启</text>
+      <text>{{i18n.bleConnect.bluetoothTip}}</text>
     </view>
 
     <view class="search-card" wx:if="{{state === 'scanning' || state === 'connecting'}}">
       <view class="search-icon pulsing">⏳</view>
-      <view class="search-text">搜索中...</view>
+      <view class="search-text">{{i18n.bleConnect.searching}}</view>
     </view>
 
     <view class="found-card" wx:if="{{state === 'binding'}}">
       <view class="found-icon">💆</view>
       <view class="found-name">LumiFlow-{{deviceId}}</view>
-      <text class="status-badge status-badge-green">正在配对...</text>
+      <text class="status-badge status-badge-green">{{i18n.bleConnect.pairing}}</text>
     </view>
 
     <view class="found-card" wx:if="{{state === 'error'}}">
       <view class="search-icon">⚠️</view>
-      <view class="found-name">{{error || '连接失败'}}</view>
-      <button class="retry-btn" bindtap="onRetry">重试</button>
+      <view class="found-name">{{error || i18n.bleConnect.failed}}</view>
+      <button class="retry-btn" bindtap="onRetry">{{i18n.common.retry}}</button>
     </view>
 
   </view>