fix: API升级v5、错误提示优化、体重必填移除等

- selectMemberDrawer: v3→v5 API升级
- lefu/service: 统一错误提示文案
- equipmentMember: 修复删除确认弹框文案
- home: 优化加载中提示
- supplementPersonal: 移除体重必填校验

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

miniprogram/pages/equipmentMember/equipmentMember.wxml

@@ -133,7 +133,7 @@
 			<view class="delete-modal-title">确认删除</view>
 			<view class="delete-modal-content">
 				<block wx:if="{{ deleteTarget.relationType == 3 }}">
-					<text class="delete-modal-warning">"{{ deleteTarget.realname }}"用户为他人添加，请确认是否删除</text>
+					"<text class="delete-modal-warning">{{ deleteTarget.realname }}</text>"用户为他人添加，请确认是否删除
 				</block>
 				<block wx:else>
 					确定删除"{{ deleteTarget.realname }}"吗？删除后将不再显示

miniprogram/pages/home/home.ts

@@ -151,7 +151,7 @@ Page({
         this._otaChecked = true
         lefuService.checkAndUpgrade()
             .then(() => {
-                wx.showLoading({ title: '固件升级中...', mask: true })
+                wx.showLoading({ title: '加载中...', mask: true })
                 setTimeout(() => {
                     wx.hideLoading()
                     // 升级完成后设备重启，旧连接与订阅失效，重新扫描连接

miniprogram/pages/supplementPersonal/supplementPersonal.ts

@@ -253,10 +253,6 @@ Page({
             wx.showToast({ title: '请填写身高', icon: 'none' })
             return
         }
-        if (!weight || isNaN(weightNum) || weightNum <= 0) {
-            wx.showToast({ title: '请填写体重', icon: 'none' })
-            return
-        }
 
         const parsed = this.parseIdCard(idCard)
 

miniprogram/pages/supplementPersonal/supplementPersonal.wxml

@@ -105,7 +105,6 @@
 			<!-- 体重 -->
 			<view class="form-row">
 				<view class="form-label">
-					<text class="label-star">*</text>
 					<text class="label-text">体重</text>
 				</view>
 				<view class="form-control">