[AI Generated]: feat(*): 对接数据页/测量报告真实接口，完善成员管理、蓝牙连接及成员选择抽屉逻辑

miniprogram/pages/addMember/addMember.wxml

@@ -98,10 +98,32 @@
 					</view>
 				</view>
 			</view>
+
+			<!-- 体重 -->
+			<view class="form-row">
+				<view class="form-label">
+					<text class="label-text">体重</text>
+					<text class="label-star">*</text>
+				</view>
+				<view class="form-control">
+					<view class="form-input-wrap">
+						<input class="form-input form-input-with-suffix"
+							   type="digit"
+							   maxlength="6"
+							   placeholder="请填写体重"
+							   placeholder-class="form-placeholder"
+							   value="{{ form.weight }}"
+							   bind:input="onWeightInput" />
+						<text class="form-suffix form-suffix-inside">kg</text>
+					</view>
+				</view>
+			</view>
 		</view>
 
-        <!-- 从已有成员中选择(蓝色描边幽灵按钮) -->
-        <view class="ghost-btn" bind:tap="onTapSelectExisting">从已有成员中选择</view>
+        <!-- 从已有成员中选择(编辑模式隐藏) -->
+        <block wx:if="{{ !isEdit }}">
+            <view class="ghost-btn" bind:tap="onTapSelectExisting">从已有成员中选择</view>
+        </block>
 	</view>
 
 	<!-- 底部双按钮:取消 / 保存成员信息 -->
@@ -113,7 +135,6 @@
 	<!-- 选择已有成员抽屉 -->
 	<select-member-drawer
 		show="{{ showSelectDrawer }}"
-		members="{{ existingMembers }}"
 		bind:close="onSelectMemberClose"
 		bind:select="onSelectMember">
 	</select-member-drawer>