feat(userManagement): 接入用户同步到设备，恢复清空设备用户能力

- service 恢复 clearDeviceMembers/syncMembersToDevice，操作中断开立即失败
- syncMembersToDevice 只负责逐个下发，参数由业务层组装
- _doReconnect 增加蓝牙不可用判断
- userManagement 接入真实同步（连接状态实时同步 + 进度弹框）
- equipment 页增加用户管理入口

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

miniprogram/pages/equipment/equipment.wxml

@@ -21,6 +21,13 @@
         <view class="ops-btn ops-btn--red" bind:tap="onUnpairAll">取消全部配对</view>
     </view>
 
+    <view class="device-action-btn" bind:tap="onTapUser">
+        <view>
+            <image src="/images/equipment/users.png"/>
+        </view>
+        <view>用户</view>
+    </view>
+
     <!-- 设备列表 -->
     <block wx:if="{{ devices && devices.length }}">
         <block wx:for="{{ devices }}" wx:key="id">