[FIX] 트랜잭션 어노테이션 추가

src/main/java/com/back/catchmate/domain/user/service/UserServiceImpl.java

@@ -40,6 +40,7 @@ public class UserServiceImpl implements UserService{
     private final ClubConverter clubConverter;
 
     @Override
+    @Transactional
     public UserResponse.LoginInfo joinUser(UserJoinRequest request) {
         String providerIdWithProvider = request.getProviderId() + PROVIDER_ID_SEPARATOR + request.getProvider();
         Club favoreiteClub = clubRepository.findById(request.getFavoriteClubId())

src/main/java/com/back/catchmate/global/auth/service/AuthServiceImpl.java

@@ -41,12 +41,12 @@ public LoginInfo login(AuthRequest.LoginRequest loginRequest) {
         // 결합한 문자열로 사용자 조회
         Optional<User> findUserOptional = userRepository.findByProviderId(providerIdWithProvider);
         boolean isFirstLogin = false;
-        LoginInfo loginResponse;
+        LoginInfo loginInfo;
 
         if (findUserOptional.isEmpty()) {
             // 사용자가 없으면 최초 회원가입 여부를 true 반환
             isFirstLogin = true;
-            loginResponse = authConverter.toLoginInfo(null, null, isFirstLogin);
+            loginInfo = authConverter.toLoginInfo(null, null, isFirstLogin);
         } else {
             // 회원가입된 사용자가 있으면 AccessToken과 RefreshToken 반환
             User user = findUserOptional.get();
@@ -61,10 +61,10 @@ public LoginInfo login(AuthRequest.LoginRequest loginRequest) {
 
             // RefreshToken을 Redis에 저장
             refreshTokenRedisRepository.save(RefreshToken.of(refreshToken, userId));
-            loginResponse = authConverter.toLoginInfo(accessToken, refreshToken, isFirstLogin);
+            loginInfo = authConverter.toLoginInfo(accessToken, refreshToken, isFirstLogin);
         }
 
-        return loginResponse;
+        return loginInfo;
     }
 
     private void checkFcmToken(AuthRequest.LoginRequest loginRequest, User user) {