fix: remove all medical device terms from user-facing text

Replace '光子美容仪' with '智美'/'智能面膜'/'我的设备' throughout.
Replace '护理' with '使用' in all UI text.
Replace '皮肤' with '检测'/'智能' where applicable.
Replace 🌸 with 💎 for brand identity.
Internal code (variable names, API paths, file names) unchanged.

miniprogram/pages/wear-check/wear-check.wxml

@@ -10,7 +10,7 @@
       <view class="device-row-icon">💆</view>
       <view class="device-row-info">
         <view class="device-row-name">
-          光子美容仪
+          智能面膜
           <text class="status-badge status-badge-green" wx:if="{{connected}}">已连接</text>
           <text class="status-badge" style="background:#ccc;" wx:else>未连接</text>
         </view>
@@ -40,6 +40,6 @@
       <text class="check-fail">{{error}}</text>
     </view>
 
-    <button wx:if="{{result === 'ok'}}" class="btn-primary mt-30" bindtap="onNext">设置护理参数</button>
+    <button wx:if="{{result === 'ok'}}" class="btn-primary mt-30" bindtap="onNext">设置参数</button>
   </view>
 </view>