fix(addMember): serverResult 为 null 时本地解析身份证补偿性别年龄

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

miniprogram/pages/addMember/addMember.ts

@@ -224,7 +224,13 @@ Page({
 			.then(res => {
 				const serverResult = res.result
 				if (!serverResult) {
-					this.setData({ hasQueried: true })
+					// 查无此人：用本地身份证解析补偿性别年龄
+					const parsed = this.parseIdCard(idCard)
+					this.setData({
+						hasQueried: true,
+						'form.gender': parsed.gender,
+						'form.age': parsed.age,
+					})
 					return
 				}
 				if (serverResult.flag == 101) {