feat(addMember): 选择已有成员补服务端校验；表单加scroll-view；上限10人限制

- onSelectMember 选中后调用 fetchUserInfoByIdCard 走服务端校验
- 表单区域包裹 scroll-view，适配小屏滚动
- equipmentMember 添加按钮超10人弹 toast 提示

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

miniprogram/pages/addMember/addMember.less

@@ -41,8 +41,12 @@
 		width: 100%;
 		flex: 1;
 		overflow: hidden;
+
+		.scrollViewContent {
+			width: 100%;
 			padding: 0 30rpx;
 			box-sizing: border-box;
+		}
 
 		/* 表单卡片 */
 		.form-card {

miniprogram/pages/addMember/addMember.ts

@@ -299,6 +299,9 @@ Page({
 			'form.height': String(member.height),
 			'form.weight': String(member.weight),
 		})
+		if (member.name.trim() && this.isIdCardValid(member.idCard)) {
+			this.fetchUserInfoByIdCard(member.name.trim(), member.idCard)
+		}
 	},
 
 	/** 确认弹框 - 确认 */

miniprogram/pages/addMember/addMember.wxml

@@ -7,6 +7,8 @@
     </view>
 
     <view class="form">
+        <scroll-view class="scrollView">
+            <view class="scrollViewContent">
                 <!-- 白色圆角表单卡片 -->
                 <view class="form-card">
 
@@ -129,6 +131,8 @@
                     <view class="ghost-btn" bind:tap="onTapSelectExisting">从已有成员中选择</view>
                 </block>
             </view>
+        </scroll-view>
+    </view>
 
     <!-- 底部双按钮:取消 / 保存成员信息 -->
     <view class="actions">

miniprogram/pages/equipmentMember/equipmentMember.ts

@@ -292,6 +292,10 @@ Page({
     /** 添加成员：未连接态禁用 */
     onTapAddMember() {
         if (!this.data.connected) return
+        if (this.data.memberList.length >= 10) {
+            wx.showToast({ title: '超过最大用户限制', icon: 'none' })
+            return
+        }
         wx.navigateTo({ url: '/pages/addMember/addMember' })
     },
 })