Fix: Ai 리턴 오류 해결

backend/src/main/java/com/worlabel/domain/alarm/service/AlarmService.java

@@ -19,6 +19,7 @@ public class AlarmService {
     private final FcmService fcmService;
 
     public void save(int memberId, AlarmType type) {
+        log.debug("알람 전송 memberId {}, type {}", memberId, type);
         alarmCacheRepository.save(memberId, type);
         fcmService.send(memberId, type.toString());
     }

backend/src/main/java/com/worlabel/domain/model/service/AiModelService.java

@@ -133,7 +133,7 @@ public class AiModelService {
         String endPoint = "/models/download";
         endPoint += "?modelKey=" + modelKey;
 
-        ResponseEntity<Resource> fileRequest = aiRequestService.getFileRequest(endPoint);
+        return aiRequestService.getFileRequest(endPoint);
     }
 
     public TrainRequest getTrainRequest(final ModelTrainRequest trainRequest, final Project project, final AiModel model) {

backend/src/main/java/com/worlabel/global/service/FcmService.java

@@ -26,6 +26,8 @@ public class FcmService {
 
     public void send(Integer memberId, String data) {
         String token = fcmCacheRepository.getToken(memberId);
+        log.debug("토큰 {}", token);
+        
         if(Objects.nonNull(token)){
             sendNotification(token, data);
         }