feat: 小程序连接服务器IP + 同步未提交开发

- miniprogram/config.js: BASE_URL 指向 http://192.227.237.8:3001
- 动作标题中文化(nameZh)，搜索匹配 name/nameZh/nameEn
- 新增计划/收藏/我的 等页面与组件
- 后端 Docker 化(Dockerfile/.dockerignore)与翻译脚本
- .gitignore 补充 .DS_Store

miniprogram/pages/detail/detail.wxml

@@ -1,17 +1,23 @@
 <view class="page" wx:if="{{exercise}}">
-  <navbar title="{{exercise.name}}" show-back />
+  <navbar title="{{exercise.displayName || exercise.name}}" show-back />
+
+  <view class="favbtn" style="top: {{statusBarHeight + 12}}px;" bindtap="onToggleFav">
+    <text>{{favorited ? '♥' : '♡'}}</text>
+  </view>
 
   <view class="hero">
     <image
-      wx:if="{{exercise.gifUrl || exercise.image}}"
+      wx:if="{{heroSrc && !heroError}}"
       class="hero__img"
-      src="{{exercise.gifUrl || exercise.image}}"
-      mode="aspectFill" />
+      src="{{heroSrc}}"
+      mode="aspectFill"
+      lazy-load="true"
+      binderror="onHeroError" />
     <view wx:else class="hero__ph">🏋️</view>
   </view>
 
   <view class="body section">
-    <view class="name">{{exercise.name}}</view>
+    <view class="name">{{exercise.displayName || exercise.name}}</view>
 
     <view class="metas">
       <view class="meta"><view class="meta__k">部位</view><view class="meta__v">{{exercise.bodyPartLabel}}</view></view>
@@ -60,7 +66,7 @@
   </view>
 
   <view class="addbar">
-    <view class="cta" bindtap="onAdd">加入今日训练</view>
+    <view class="cta" bindtap="onAdd">{{ planId ? '加入该计划' : '加入计划' }}</view>
   </view>
 </view>