feat: hide subscription card and menu on profile page when smart_mode_free

miniprogram/pages/profile/profile.wxml

@@ -15,7 +15,14 @@
       <view class="edit-profile-btn" bindtap="onEditProfile">编辑资料</view>
     </view>
 
-    <view class="sub-card" wx:if="{{subscription && subscription.status === 'active' && subRemaining > 0}}">
+    <view class="sub-card" wx:if="{{subscription && subscription.plan === 'free'}}">
+      <view class="sub-left">
+        <view class="sub-name">✨ 智能模式</view>
+        <view class="sub-remain">已开放</view>
+      </view>
+      <text class="status-badge status-badge-gold">免费</text>
+    </view>
+    <view class="sub-card" wx:elif="{{subscription && subscription.status === 'active' && subRemaining > 0}}">
       <view class="sub-left">
         <view class="sub-name">✨ 智能模式</view>
         <view class="sub-remain">剩余 {{subRemaining}}天</view>
@@ -43,7 +50,7 @@
         <view class="menu-text">使用记录</view>
         <text class="menu-arrow">›</text>
       </view>
-      <view class="menu-item" bindtap="onViewSubscription">
+      <view class="menu-item" bindtap="onViewSubscription" wx:if="{{!subscription || subscription.plan !== 'free'}}">
         <view class="menu-icon">💳</view>
         <view class="menu-text">订阅管理</view>
         <text class="menu-arrow">›</text>