관리자 메시지 다국어 처리

src/main/kotlin/kr/co/vividnext/sodalive/admin/point/PointPolicyService.kt

@@ -26,7 +26,7 @@ class PointPolicyService(private val repository: PointPolicyRepository) {
     @Transactional
     fun update(id: Long, request: ModifyPointRewardPolicyRequest) {
         val pointPolicy = repository.findByIdOrNull(id)
-            ?: throw SodaException("잘못된 접근입니다.")
+            ?: throw SodaException(messageKey = "admin.point.policy.invalid_access")
 
         val dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm")