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/subscribe-prompt/subscribe-prompt.wxml

@@ -1,35 +1,35 @@
 <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">使用设置</view>
-    <view class="page-header-subtitle">试用期已结束</view>
+    <view class="nav-back" bindtap="onBack">‹ {{i18n.common.back}}</view>
+    <view class="page-header-title">{{i18n.subPrompt.title}}</view>
+    <view class="page-header-subtitle">{{i18n.subPrompt.subtitle}}</view>
   </view>
 
   <view class="page-content">
-    <view class="page-title">选择模式</view>
+    <view class="page-title">{{i18n.subPrompt.selectMode}}</view>
 
     <view class="mode-selector">
       <view class="mode-option active">
         <text class="mode-icon">🔄</text>
-        <view class="mode-label">普通模式</view>
-        <view class="mode-sub">6色循环</view>
+        <view class="mode-label">{{i18n.subPrompt.normalMode}}</view>
+        <view class="mode-sub">{{i18n.subPrompt.normalModeSub}}</view>
       </view>
       <view class="mode-option locked">
         <text class="mode-icon">🔒</text>
-        <view class="mode-label">智能模式</view>
-        <view class="mode-sub">订阅解锁</view>
+        <view class="mode-label">{{i18n.subPrompt.smartMode}}</view>
+        <view class="mode-sub">{{i18n.subPrompt.smartModeSub}}</view>
       </view>
     </view>
 
     <view class="tip-card">
       <text class="tip-card-icon">⏰</text>
       <view class="tip-card-body">
-        <view class="tip-card-title">试用已结束</view>
-        <view class="tip-card-sub">订阅后继续使用智能模式</view>
+        <view class="tip-card-title">{{i18n.subPrompt.trialEndedTitle}}</view>
+        <view class="tip-card-sub">{{i18n.subPrompt.trialEndedSub}}</view>
       </view>
     </view>
 
-    <button class="btn-primary btn-primary-gold" bindtap="onViewPlans">立即订阅</button>
-    <button class="btn-secondary" bindtap="onUseFreeMode">先使用普通模式</button>
+    <button class="btn-primary btn-primary-gold" bindtap="onViewPlans">{{i18n.subPrompt.subscribeNow}}</button>
+    <button class="btn-secondary" bindtap="onUseFreeMode">{{i18n.subPrompt.useNormalFirst}}</button>
   </view>
 </view>