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