fix(userManagement): 下发用户改用 userId，修正误用记录主键 id

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

miniprogram/pages/userManagement/userManagement.ts

@@ -302,12 +302,12 @@ Page({
         const userIds = Array.isArray(deviceUserIds) ? deviceUserIds : [deviceUserIds].filter(Boolean)
         const hasMainUser = userIds.length > 0
         // 主用户 ID：已有主用户用设备端的，否则用第一个用户作为主用户
-        const mainUserId = hasMainUser ? String(userIds[0]) : pendingUsers[0].id
+        const mainUserId = hasMainUser ? String(userIds[0]) : pendingUsers[0].userId
 
         const syncDataList: SyncUserData[] = pendingUsers.map((user, index) => ({
             userID: mainUserId,
             userName: user.name,
-            memberID: hasMainUser ? user.id : (user.id === pendingUsers[0].id ? '' : user.id),
+            memberID: hasMainUser ? user.userId : (user.userId === pendingUsers[0].userId ? '' : user.userId),
             age: user.age,
             gender: user.gender,
             height: user.height,
@@ -348,9 +348,9 @@ Page({
     _clearAndSync(syncUsers: SyncUser[], reportUsers: SyncUser[] | null) {
         const mainUser = syncUsers[0]
         const syncDataList: SyncUserData[] = syncUsers.map((user, index) => ({
-            userID: mainUser.id,
+            userID: mainUser.userId,
             userName: user.name,
-            memberID: user.id === mainUser.id ? '' : user.id,
+            memberID: user.userId === mainUser.userId ? '' : user.userId,
             age: user.age,
             gender: user.gender,
             height: user.height,