fixes

backend/internal/models/user.go

@@ -4,6 +4,7 @@ import (
 	"time"
 
 	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
 )
 
 type User struct {
@@ -17,7 +18,10 @@ type User struct {
 }
 
 func (u *User) AfterCreate(tx *gorm.DB) error {
-	return tx.FirstOrCreate(&UserSocialRating{}, UserSocialRating{
-		UserID: u.ID,
-	}).Error
+	rating := UserSocialRating{UserID: u.ID}
+
+	return tx.
+		Omit(clause.Associations).
+		Where("user_id = ?", u.ID).
+		FirstOrCreate(&rating).Error
 }