fix: 없는 자원 조회가 500 이 아니라 404 가 되도록

src/main/java/com/carecode/domain/admin/controller/AdminPolicyVerificationController.java

@@ -1,6 +1,6 @@
 package com.carecode.domain.admin.controller;
 
-import com.carecode.core.exception.CareServiceException;
+import com.carecode.core.exception.ResourceNotFoundException;
 import com.carecode.core.security.CurrentUserFacade;
 import com.carecode.domain.policy.entity.Policy;
 import com.carecode.domain.policy.repository.PolicyRepository;
@@ -39,7 +39,7 @@ public ResponseEntity<Map<String, Object>> verify(
             @Parameter(description = "금액 근거 출처 URL") @RequestParam(required = false) String sourceUrl) {
 
         Policy policy = policyRepository.findById(policyId)
-                .orElseThrow(() -> new CareServiceException("정책을 찾을 수 없습니다: " + policyId));
+                .orElseThrow(() -> new ResourceNotFoundException("정책을 찾을 수 없습니다: " + policyId));
 
         policy.setVerifiedAt(LocalDateTime.now());
         policy.setVerifiedBy(currentUserFacade.requireCurrentUserEmail());
@@ -59,7 +59,7 @@ public ResponseEntity<Map<String, Object>> verify(
     @Operation(summary = "검증 표시 해제", description = "추정치로 되돌림")
     public ResponseEntity<Void> unverify(@PathVariable Long policyId) {
         Policy policy = policyRepository.findById(policyId)
-                .orElseThrow(() -> new CareServiceException("정책을 찾을 수 없습니다: " + policyId));
+                .orElseThrow(() -> new ResourceNotFoundException("정책을 찾을 수 없습니다: " + policyId));
         policy.setVerifiedAt(null);
         policy.setVerifiedBy(null);
         policyRepository.save(policy);

src/main/java/com/carecode/domain/admin/service/CareFacilityBookingAdminService.java

@@ -1,7 +1,7 @@
 package com.carecode.domain.admin.service;
 
 import com.carecode.core.annotation.LogExecutionTime;
-import com.carecode.core.exception.CareServiceException;
+import com.carecode.core.exception.ResourceNotFoundException;
 import com.carecode.domain.admin.dto.AdminBookingDetailResponse;
 import com.carecode.domain.admin.dto.AdminBookingListResponse;
 import com.carecode.domain.facility.dto.response.StatusDistribution;
@@ -129,7 +129,7 @@ public AdminBookingSearchResponse searchBookings(AdminBookingSearchRequest reque
     @LogExecutionTime
     public AdminBookingDetailResponse getBookingDetail(Long bookingId) {
         CareFacilityBooking booking = bookingRepository.findById(bookingId)
-                .orElseThrow(() -> new CareServiceException("예약을 찾을 수 없습니다: " + bookingId));
+                .orElseThrow(() -> new ResourceNotFoundException("예약을 찾을 수 없습니다: " + bookingId));
 
         return convertToAdminDetailResponse(booking);
     }
@@ -140,7 +140,7 @@ public AdminBookingDetailResponse getBookingDetail(Long bookingId) {
     public AdminBookingDetailResponse updateBookingStatus(Long bookingId,
                                                                                  AdminStatusUpdateRequest request) {
             CareFacilityBooking booking = bookingRepository.findById(bookingId)
-                    .orElseThrow(() -> new CareServiceException("예약을 찾을 수 없습니다: " + bookingId));
+                    .orElseThrow(() -> new ResourceNotFoundException("예약을 찾을 수 없습니다: " + bookingId));
 
             // 없는 상태면 valueOf 가 IllegalArgumentException 을 던져 500 이 됐다. 400 으로 돌려준다.
             CareFacilityBooking.BookingStatus newStatus;
@@ -168,7 +168,7 @@ public AdminBookingDetailResponse updateBookingStatus(Long bookingId,
     @Transactional
     public void deleteBooking(Long bookingId) {
         CareFacilityBooking booking = bookingRepository.findById(bookingId)
-                .orElseThrow(() -> new CareServiceException("예약을 찾을 수 없습니다: " + bookingId));
+                .orElseThrow(() -> new ResourceNotFoundException("예약을 찾을 수 없습니다: " + bookingId));
 
         bookingRepository.delete(booking);
     }

src/main/java/com/carecode/domain/chatbot/service/ChatbotService.java

@@ -2,6 +2,7 @@
 
 import com.carecode.core.annotation.LogExecutionTime;
 import com.carecode.core.exception.CareServiceException;
+import com.carecode.core.exception.ResourceNotFoundException;
 import com.carecode.domain.chatbot.dto.request.ChatbotMessageRequest;
 import com.carecode.domain.chatbot.dto.response.ChatbotMessageResponse;
 import com.carecode.domain.chatbot.dto.response.ChatbotChatHistoryDtoResponse;
@@ -205,7 +206,7 @@ public void processFeedback(Long messageId, boolean isHelpful) {
 
         try {
             ChatMessage message = chatMessageRepository.findById(messageId)
-                    .orElseThrow(() -> new CareServiceException("메시지를 찾을 수 없습니다."));
+                    .orElseThrow(() -> new ResourceNotFoundException("메시지를 찾을 수 없습니다."));
 
             message.setIsHelpful(isHelpful);
             chatMessageRepository.save(message);
@@ -379,7 +380,7 @@ private String generateSessionId() {
     private User resolveUser(String userIdOrEmail) {
         return userRepository.findByUserId(userIdOrEmail)
                 .or(() -> userRepository.findByEmail(userIdOrEmail))
-                .orElseThrow(() -> new CareServiceException("사용자를 찾을 수 없습니다: " + userIdOrEmail));
+                .orElseThrow(() -> new ResourceNotFoundException("사용자를 찾을 수 없습니다: " + userIdOrEmail));
     }
 
     // 의도 분석

src/main/java/com/carecode/domain/community/service/CommunityService.java

@@ -357,7 +357,7 @@ private User getCurrentUser() {
         if (authentication == null || !authentication.isAuthenticated() || 
             "anonymousUser".equals(authentication.getName())) {
             log.warn("getCurrentUser() - 인증되지 않은 사용자");
-            throw new CareServiceException("인증된 사용자 정보를 찾을 수 없습니다.");
+            throw new ResourceNotFoundException("인증된 사용자 정보를 찾을 수 없습니다.");
         }
 
         String userEmail = authentication.getName();

src/main/java/com/carecode/domain/facility/service/AdmissionForecastService.java

@@ -2,7 +2,7 @@
 
 import com.carecode.core.analytics.EventLogger;
 import com.carecode.core.analytics.EventType;
-import com.carecode.core.exception.CareServiceException;
+import com.carecode.core.exception.ResourceNotFoundException;
 import com.carecode.domain.facility.dto.response.AdmissionForecastResponse;
 import com.carecode.domain.facility.entity.CareFacility;
 import com.carecode.domain.facility.entity.FacilityCapacitySnapshot;
@@ -41,7 +41,7 @@ public class AdmissionForecastService {
     /** 아이 월령 기준으로 목표 시점까지 자리가 날 확률을 추정한다. */
     public AdmissionForecastResponse forecast(Long facilityId, Integer childAgeMonths, Integer horizonMonths) {
         CareFacility facility = careFacilityRepository.findById(facilityId)
-                .orElseThrow(() -> new CareServiceException("시설을 찾을 수 없습니다: " + facilityId));
+                .orElseThrow(() -> new ResourceNotFoundException("시설을 찾을 수 없습니다: " + facilityId));
 
         LocalDate today = LocalDate.now();
         int horizon = horizonMonths != null && horizonMonths > 0 ? horizonMonths : DEFAULT_HORIZON_MONTHS;

src/main/java/com/carecode/domain/facility/service/FacilityPopularityService.java

@@ -2,7 +2,7 @@
 
 import com.carecode.core.analytics.EventLogger;
 import com.carecode.core.analytics.EventType;
-import com.carecode.core.exception.CareServiceException;
+import com.carecode.core.exception.ResourceNotFoundException;
 import com.carecode.domain.facility.dto.response.FacilityPopularityResponse;
 import com.carecode.domain.facility.entity.CareFacility;
 import com.carecode.domain.facility.entity.FacilityCapacitySnapshot;
@@ -45,7 +45,7 @@ public class FacilityPopularityService {
 
     public FacilityPopularityResponse analyze(Long facilityId) {
         CareFacility facility = careFacilityRepository.findById(facilityId)
-                .orElseThrow(() -> new CareServiceException("시설을 찾을 수 없습니다: " + facilityId));
+                .orElseThrow(() -> new ResourceNotFoundException("시설을 찾을 수 없습니다: " + facilityId));
 
         eventLogger.log(EventType.FACILITY_POPULARITY_VIEWED, null, String.valueOf(facilityId));
 

src/main/java/com/carecode/domain/facility/service/FacilityWaitlistService.java

@@ -3,6 +3,7 @@
 import com.carecode.core.analytics.EventLogger;
 import com.carecode.core.analytics.EventType;
 import com.carecode.core.exception.CareServiceException;
+import com.carecode.core.exception.ResourceNotFoundException;
 import com.carecode.core.security.CurrentUserFacade;
 import com.carecode.domain.facility.dto.request.WaitlistRequest;
 import com.carecode.domain.facility.dto.response.WaitlistStatsResponse;
@@ -45,7 +46,7 @@ public class FacilityWaitlistService {
     public Long register(Long facilityId, WaitlistRequest request) {
         User user = currentUserFacade.requireCurrentUser();
         CareFacility facility = facilityRepository.findById(facilityId)
-                .orElseThrow(() -> new CareServiceException("시설을 찾을 수 없습니다: " + facilityId));
+                .orElseThrow(() -> new ResourceNotFoundException("시설을 찾을 수 없습니다: " + facilityId));
         Child child = resolveOwnChild(user, request.getChildId());
 
         // 같은 아이·같은 시설의 중복 등록은 통계를 왜곡하므로 기존 기록을 그대로 돌려준다.
@@ -73,7 +74,7 @@ public Long register(Long facilityId, WaitlistRequest request) {
     public void resolve(Long waitlistId, String status, LocalDate resolvedAt, String note) {
         User user = currentUserFacade.requireCurrentUser();
         FacilityWaitlist entry = waitlistRepository.findById(waitlistId)
-                .orElseThrow(() -> new CareServiceException("대기 기록을 찾을 수 없습니다: " + waitlistId));
+                .orElseThrow(() -> new ResourceNotFoundException("대기 기록을 찾을 수 없습니다: " + waitlistId));
 
         if (!entry.getUser().getId().equals(user.getId())) {
             throw new CareServiceException("본인의 대기 기록만 수정할 수 있습니다.");
@@ -90,7 +91,7 @@ public List<FacilityWaitlist> getMyWaitlists() {
     @Transactional(readOnly = true)
     public WaitlistStatsResponse getStats(Long facilityId) {
         CareFacility facility = facilityRepository.findById(facilityId)
-                .orElseThrow(() -> new CareServiceException("시설을 찾을 수 없습니다: " + facilityId));
+                .orElseThrow(() -> new ResourceNotFoundException("시설을 찾을 수 없습니다: " + facilityId));
 
         List<FacilityWaitlist> admitted = waitlistRepository.findAdmitted(facilityId);
         long waiting = waitlistRepository.countWaiting(facilityId);

src/main/java/com/carecode/domain/health/service/HealthService.java

@@ -5,6 +5,7 @@
 import com.carecode.core.annotation.LogExecutionTime;
 import com.carecode.core.exception.CareCodeException;
 import com.carecode.core.exception.CareServiceException;
+import com.carecode.core.exception.ResourceNotFoundException;
 import com.carecode.core.exception.UserNotFoundException;
 import com.carecode.core.exception.HealthRecordNotFoundException;
 import com.carecode.core.exception.ChildNotFoundException;
@@ -173,7 +174,7 @@ public HealthRecordResponse updateHealthRecord(Long recordId, HealthUpdateHealth
         validateUpdateRequest(request);
 
         HealthRecord record = healthRecordRepository.findById(recordId)
-                .orElseThrow(() -> new CareServiceException("건강 기록을 찾을 수 없습니다: " + recordId));
+                .orElseThrow(() -> new ResourceNotFoundException("건강 기록을 찾을 수 없습니다: " + recordId));
         assertHealthRecordOwnedByUser(record, actorUserId);
 
         // 기록 업데이트
@@ -301,7 +302,7 @@ public Map<String, Object> analyzeHealthStatus(HealthCreateHealthRecordRequest r
 
         Long childId = Long.valueOf(request.getChildId());
         Child child = childRepository.findById(childId)
-                .orElseThrow(() -> new CareServiceException("아동을 찾을 수 없습니다: " + request.getChildId()));
+                .orElseThrow(() -> new ResourceNotFoundException("아동을 찾을 수 없습니다: " + request.getChildId()));
         assertChildOwnedByUser(child, actorUserId);
 
         List<HealthRecord> records = healthRecordRepository.findByChildOrderByRecordDateDesc(child);
@@ -324,7 +325,7 @@ public Map<String, Object> generateHealthReport(HealthCreateHealthRecordRequest
 
         Long childId = Long.valueOf(request.getChildId());
         Child child = childRepository.findById(childId)
-                .orElseThrow(() -> new CareServiceException("아동을 찾을 수 없습니다: " + request.getChildId()));
+                .orElseThrow(() -> new ResourceNotFoundException("아동을 찾을 수 없습니다: " + request.getChildId()));
         assertChildOwnedByUser(child, actorUserId);
 
         List<HealthRecord> records = healthRecordRepository.findByChildOrderByRecordDateDesc(child);
@@ -481,7 +482,7 @@ public List<HealthRecordAttachmentResponse> getAttachments(Long recordId, Long a
     @Transactional
     public void deleteAttachment(Long attachmentId, Long actorUserId) {
         HealthRecordAttachment attachment = healthRecordAttachmentRepository.findById(attachmentId)
-                .orElseThrow(() -> new CareServiceException("첨부파일을 찾을 수 없습니다: " + attachmentId));
+                .orElseThrow(() -> new ResourceNotFoundException("첨부파일을 찾을 수 없습니다: " + attachmentId));
         assertHealthRecordOwnedByUser(attachment.getHealthRecord(), actorUserId);
         attachment.deactivate();
         healthRecordAttachmentRepository.save(attachment);

src/main/java/com/carecode/domain/notification/app/NotificationFacade.java

@@ -11,7 +11,7 @@
 import com.carecode.domain.notification.dto.response.NotificationStatsResponse;
 import com.carecode.domain.notification.dto.response.NotificationTemplateResponse;
 import com.carecode.domain.notification.dto.response.NotificationDeliveryStatusResponse;
-import com.carecode.core.exception.CareServiceException;
+import com.carecode.core.exception.ResourceNotFoundException;
 import com.carecode.domain.notification.entity.Notification;
 import com.carecode.domain.notification.repository.NotificationPreferenceRepository;
 import com.carecode.domain.notification.sender.NotificationChannelType;
@@ -49,7 +49,7 @@ public class NotificationFacade {
     @Transactional(readOnly = true)
     public List<NotificationChannelStatusResponse> getChannelStatuses(String userId) {
         User user = userRepository.findByUserId(userId)
-                .orElseThrow(() -> new CareServiceException("사용자를 찾을 수 없습니다: " + userId));
+                .orElseThrow(() -> new ResourceNotFoundException("사용자를 찾을 수 없습니다: " + userId));
 
         return Arrays.stream(NotificationChannelType.values())
                 .map(channel -> toChannelStatus(channel, user))

src/main/java/com/carecode/domain/notification/controller/NotificationLinkController.java

@@ -2,7 +2,7 @@
 
 import com.carecode.core.analytics.EventLogger;
 import com.carecode.core.analytics.EventType;
-import com.carecode.core.exception.CareServiceException;
+import com.carecode.core.exception.ResourceNotFoundException;
 import com.carecode.core.security.CurrentUserFacade;
 import com.carecode.domain.notification.entity.Notification;
 import com.carecode.domain.notification.repository.NotificationRepository;
@@ -54,7 +54,7 @@ public ResponseEntity<Void> open(
             @Parameter(description = "대상 식별자") @RequestParam(required = false) String targetId) {
 
         Notification notification = notificationRepository.findById(notificationId)
-                .orElseThrow(() -> new CareServiceException("알림을 찾을 수 없습니다: " + notificationId));
+                .orElseThrow(() -> new ResourceNotFoundException("알림을 찾을 수 없습니다: " + notificationId));
 
         Long userId = currentUserIdOrNull();
         // 본인 알림만 열람 표시를 남긴다. 남의 알림 ID 로 읽음 처리되면 안 된다.