feat(addMember, editMember): 接入员工编号查询，部门展示改用secondDepart/thirdDepart

- onQueryEmployee 接入 GET /weighingScale/v5/getUserInfoByWkno
- 单位展示由 workNo 改为 secondDepart / thirdDepart 拼接
- birthday 员工查询时回填，提交统一取值
- edit/user 接口 v3 升级到 v5

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

miniprogram/pages/editMember/editMember.ts

@@ -22,7 +22,7 @@ Page({
 		/** dataType === 1 为家庭用户 */
 		isFamily: false,
 		/** 单位（非家庭用户） */
-		workNo: '',
+		unitDisplay: '',
 		/** 出生年月 YYYY-MM-DD（家庭用户） */
 		birthday: '',
 		/** 接口返回的原始用户数据，提交时以此为 base 覆盖修改字段 */
@@ -59,7 +59,7 @@ Page({
 				this.setData({
 					rawUser: u,
 					isFamily,
-					workNo: u.workNo ?? '',
+					unitDisplay: [u.secondDepart, u.thirdDepart].filter(Boolean).join(' / '),
 					birthday: u.birthday ?? '',
 					'form.name': u.realname ?? '',
 					'form.idCard': u.idCard ?? '',
@@ -163,14 +163,14 @@ Page({
 			id: this.data.userId,
 			realname: name.trim(),
 			idCard,
-			sex: this.data.form.sex,
+			sex,
 			birthday: this.data.birthday,
 			height: heightNum,
 			weight: isNaN(weightNum) ? 0 : weightNum,
 			connectDeviceInfo: connectDeviceInfoRaw ? JSON.stringify(connectDeviceInfoRaw) : (rawUser?.connectDeviceInfo ?? ''),
 		}
 
-		put('weighingScale/v3/edit/user', payload)
+		put('weighingScale/v5/edit/user', payload)
 			.then(() => {
 				wx.showToast({ title: '保存成功', icon: 'success' })
 				setTimeout(() => {