feat: 채팅 메시지 조회 시 유저 프로필 이미지 포함

Author: heygeeji

src/main/java/com/back/web7_9_codecrete_be/domain/chats/controller/ChatStompDocsController.java

@@ -10,6 +10,7 @@
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.media.Content;
 import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.parameters.RequestBody;
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -43,19 +44,20 @@ public class ChatStompDocsController {
         #### 4️⃣ SEND Payload
         ```json
         {
-          "concertId": 1,
-          "content": "안녕하세요!"
+          concertId: 1,
+          content: "안녕하세요!"
         }
         ```
 
         #### 5️⃣ SUBSCRIBE Response
         ```json
         {
-          "concertId": 1,
-          "senderId": 10,
-          "senderName": "테스트 유저",
-          "content": "안녕하세요!",
-          "sentAt": "2025-12-23T15:30:00"
+          concertId: 1,
+          senderId: 2,
+          senderName: "테스트 유저",
+          content: "안녕하세요!",
+          sentDate: "2026-01-02T12:13:18.4422905",
+          profileImage: "https://example.com/profile.jpg"
         }
         ```
         """
@@ -71,7 +73,7 @@ public void stompChatGuide() {}
         - 실제 사용되는 HTTP API 아닙니다.
         - Swagger 문서용
         """,
-		requestBody = @io.swagger.v3.oas.annotations.parameters.RequestBody(
+		requestBody = @RequestBody(
 			description = "STOMP 메세지 SEND하면 전달되는 요청 데이터",
 			required = true,
 			content = @Content(

src/main/java/com/back/web7_9_codecrete_be/domain/chats/dto/response/ChatMessageResponse.java

@@ -15,12 +15,19 @@ public class ChatMessageResponse {
 
 	@Schema(description = "공연 ID", example = "1")
 	private Long concertId;
+
 	@Schema(description = "발신자 ID", example = "2")
 	private Long senderId;
+
 	@Schema(description = "발신자 닉네임", example = "테스트 유저")
 	private String senderName;
+
 	@Schema(description = "메시지 내용", example = "안녕하세요")
 	private String content;
+
 	@Schema(description = "전송 시각", example = "2025-12-23T16:28:07.8806432")
 	private LocalDateTime sentDate;
+
+	@Schema(description = "프로필 이미지", example = "https://example.com/profile.jpg")
+	private String profileImage;
 }

src/main/java/com/back/web7_9_codecrete_be/domain/chats/dto/response/ChatReadResponse.java

@@ -30,6 +30,9 @@ public class ChatReadResponse {
 	@Schema(description = "메시지 내용", example = "안녕하세요")
 	private String content;
 
-	@Schema(description = "전송 시각")
+	@Schema(description = "전송 시각", example = "2026-01-02T12:13:13.1588173")
 	private LocalDateTime sentDate;
+
+	@Schema(description = "프로필 이미지", example = "https://example.com/profile.jpg")
+	private String profileImage;
 }

src/main/java/com/back/web7_9_codecrete_be/domain/chats/dto/response/ChatUserCache.java

@@ -11,4 +11,5 @@ public class ChatUserCache {
 
 	private Long userId;
 	private String nickname;
+	private String profileImage;
 }

src/main/java/com/back/web7_9_codecrete_be/domain/chats/repository/ChatStreamRepository.java

@@ -39,6 +39,7 @@ public void save(ChatMessageResponse message) {
 		fields.put("senderName", message.getSenderName());
 		fields.put("content", message.getContent());
 		fields.put("sentDate", message.getSentDate().toString());
+		fields.put("profileImage", message.getProfileImage());
 
 		redisTemplate.opsForStream().add(
 			StreamRecords.newRecord()
@@ -106,7 +107,8 @@ private List<ChatReadResponse> toResponses(
 					Long.valueOf(v.get("senderId").toString()),
 					v.get("senderName").toString(),
 					v.get("content").toString(),
-					LocalDateTime.parse(v.get("sentDate").toString())
+					LocalDateTime.parse(v.get("sentDate").toString()),
+					v.get("profileImage").toString()
 				);
 			})
 			.filter(Objects::nonNull)

src/main/java/com/back/web7_9_codecrete_be/domain/chats/service/ChatMessageService.java

@@ -63,7 +63,8 @@ private void sendMessage(ChatMessageRequest request, String email) {
 			chatUser.getUserId(),
 			chatUser.getNickname(),
 			request.getContent(),
-			LocalDateTime.now()
+			LocalDateTime.now(),
+			chatUser.getProfileImage()
 		);
 
 		log.info("[SEND MESSAGE] From User ID: {}, Content: {}",

src/main/java/com/back/web7_9_codecrete_be/domain/chats/service/ChatUserCacheService.java

@@ -41,7 +41,8 @@ public ChatUserCache getChatUser(String email) {
 
 		ChatUserCache cache = new ChatUserCache(
 			user.getId(),
-			user.getNickname()
+			user.getNickname(),
+			user.getProfileImage()
 		);
 
 		redisTemplate.opsForValue().set(key, cache, ttl);