fix: 新增选手时传递createUser字段

- 在add-player页面提交选手时添加createUser字段
- 确保选手记录能正确关联到当前登录用户
- 解决新增选手后无法在列表中显示的问题

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

src/pages/add-player/add-player.vue

@@ -236,6 +236,7 @@ export default {
       try {
         const info = this.extractInfoFromIdCard(this.formData.idCard)
 
+        const userInfo = getUserInfo()
         const submitData = {
           playerName: this.formData.name,
           idCard: this.formData.idCard,
@@ -245,7 +246,8 @@ export default {
           idCardType: 1,
           gender: info.gender,
           age: info.age,
-          birthDate: info.birthDate
+          birthDate: info.birthDate,
+          createUser: userInfo ? userInfo.userId : null
         }
 
         if (this.competitionId) {