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/components/exercise-card/index.wxml

@@ -1,17 +1,18 @@
 <view class="ex-card {{compact ? 'ex-card--compact' : ''}}" bindtap="onTap">
   <view class="ex-card__media">
     <image
-      wx:if="{{exercise.gifUrl || exercise.image}}"
+      wx:if="{{imgSrc && !imgError}}"
       class="ex-card__img"
-      src="{{exercise.gifUrl || exercise.image}}"
+      src="{{imgSrc}}"
       mode="aspectFill"
-      lazy-load="true" />
+      lazy-load="true"
+      binderror="onImgError" />
     <view wx:else class="ex-card__ph">🏋️</view>
     <view wx:if="{{exercise.typeLabel}}" class="ex-card__type">{{exercise.typeLabel}}</view>
     <view wx:if="{{score > 0}}" class="ex-card__score">匹配 {{score}}</view>
   </view>
   <view class="ex-card__body">
-    <view class="ex-card__name">{{exercise.name}}</view>
+    <view class="ex-card__name">{{exercise.displayName || exercise.name}}</view>
     <view class="ex-card__chips">
       <text wx:if="{{exercise.targetLabel}}" class="tag tag--gold">{{exercise.targetLabel}}</text>
       <text wx:if="{{exercise.equipmentLabel}}" class="tag">{{exercise.equipmentLabel}}</text>