feat: 받은 매칭 조회에 신청 견 정보 포함 (수락/거절 UI용)

GET /api/matches/received/{dogId} → 신청 견 이름·견종 포함(ReceivedMatchResponse).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/main/java/com/dog/dognation/api/MatchingController.java

@@ -2,6 +2,7 @@ package com.dog.dognation.api;
 
 import com.dog.dognation.api.dto.CreateMatchRequest;
 import com.dog.dognation.api.dto.MatchResponse;
+import com.dog.dognation.api.dto.ReceivedMatchResponse;
 import com.dog.dognation.domain.matching.MatchingRequest;
 import com.dog.dognation.domain.matching.MatchingService;
 import jakarta.validation.Valid;
@@ -46,12 +47,10 @@ public class MatchingController {
         return MatchResponse.from(matchingService.respond(id, false));
     }
 
-    /** 특정 견이 받은 대기중 신청 목록. */
+    /** 특정 견이 받은 대기중 신청 목록 (신청 견 정보 포함). */
     @GetMapping("/received/{dogId}")
-    public List<MatchResponse> received(@PathVariable Long dogId) {
-        return matchingService.findPendingReceived(dogId).stream()
-                .map(MatchResponse::from)
-                .toList();
+    public List<ReceivedMatchResponse> received(@PathVariable Long dogId) {
+        return matchingService.receivedDetail(dogId);
     }
 
     /** 특정 견이 보낸 대기중 신청 목록 (진행중 표시용). */

src/main/java/com/dog/dognation/api/dto/ReceivedMatchResponse.java

@@ -0,0 +1,14 @@
+package com.dog.dognation.api.dto;
+
+import java.time.OffsetDateTime;
+
+/** 받은 매칭 신청 — 수락/거절 UI용. 신청 견 정보 포함. */
+public record ReceivedMatchResponse(
+        Long id,
+        Long requesterDogId,
+        String requesterDogName,
+        String requesterDogBreed,
+        OffsetDateTime createdAt,
+        OffsetDateTime expiresAt
+) {
+}

src/main/java/com/dog/dognation/domain/matching/MatchingService.java

@@ -1,6 +1,7 @@
 package com.dog.dognation.domain.matching;
 
 import com.dog.dognation.api.dto.MatchNotification;
+import com.dog.dognation.api.dto.ReceivedMatchResponse;
 import com.dog.dognation.domain.chat.ChatService;
 import com.dog.dognation.domain.dog.Dog;
 import com.dog.dognation.domain.dog.DogRepository;
@@ -126,6 +127,21 @@ public class MatchingService {
                 targetDogId, MatchingStatus.PENDING);
     }
 
+    /** 받은 대기중 신청 — 수락/거절 UI용(신청 견 정보 포함). */
+    @Transactional(readOnly = true)
+    public List<ReceivedMatchResponse> receivedDetail(Long targetDogId) {
+        List<MatchingRequest> reqs = matchingRequestRepository
+                .findByTargetDogIdAndStatusOrderByCreatedAtDesc(targetDogId, MatchingStatus.PENDING);
+        return reqs.stream().map(r -> {
+            Dog d = dogRepository.findById(r.getRequesterDogId()).orElse(null);
+            return new ReceivedMatchResponse(
+                    r.getId(), r.getRequesterDogId(),
+                    d != null ? d.getName() : "알 수 없음",
+                    d != null ? d.getBreed() : null,
+                    r.getCreatedAt(), r.getExpiresAt());
+        }).toList();
+    }
+
     /** 내가 보낸 대기중 신청 — 프론트 "진행중" 표시용. */
     @Transactional(readOnly = true)
     public List<MatchingRequest> findSentPending(Long requesterDogId) {