feat: 完善双端演示注册与红娘服务闭环

miniapp/pages/matchmaker-service-detail/matchmaker-service-detail.wxml

@@ -11,11 +11,11 @@
         <text>地区：{{detail.userProfile.regionName || '未设置'}}</text>
         <text>婚姻状态：{{detail.userProfile.maritalStatus || '未设置'}}</text>
       </view>
-      <view class="status">服务状态：{{detail.status}}</view>
+      <view class="status">服务状态：{{statusLabel}}</view>
       <view wx:if="{{detail.description}}" class="description">服务需求：{{detail.description}}</view>
     </view>
 
-    <view class="card">
+    <view class="card" wx:if="{{source === 'assignment' && detail.status !== 'completed'}}">
       <view class="title">记录服务</view>
       <picker mode="selector" range="{{followupTypes}}" value="0" bindchange="onTypeChange">
         <view class="picker">服务类型：{{form.followupType}}</view>
@@ -25,6 +25,13 @@
       <button type="primary" loading="{{submitting}}" disabled="{{submitting}}" bindtap="submitFollowup">保存服务记录</button>
     </view>
 
+    <view class="card" wx:if="{{source === 'assignment' && detail.status === 'assigned'}}">
+      <button type="primary" loading="{{changingStatus}}" disabled="{{changingStatus}}" bindtap="changeStatus" data-action="start">开始服务</button>
+    </view>
+    <view class="card" wx:if="{{source === 'assignment' && (detail.status === 'in_service' || detail.status === 'waiting_user')}}">
+      <button loading="{{changingStatus}}" disabled="{{changingStatus}}" bindtap="changeStatus" data-action="complete">完成服务</button>
+    </view>
+
     <view class="card">
       <view class="title">服务历史</view>
       <view wx:if="{{followups.length}}">