[FIX/#253] 조회에 createdAt 추가

src/main/java/com/assu/server/domain/qr/controller/TemporaryQrController.java

@@ -63,16 +63,19 @@ public ResponseEntity<BaseResponse<Void>> insertQrData(@RequestBody TemporaryQrR
 				"\n**Response:**\n" +
 				"  - `adminName` (String): 학생회(관리자) 이름- 만약 앱 리뷰인 경우 \"\" 와 같이 들어가게 됨\n" +
 				"  - `sort` (Enum): 적립 방식 (REVIEW/SUGGEST)\n" +
+				"  - `createdAt` (String): 적립 일시\n" +
 				"\n**Response Example:**\n" +
 				"```json\n" +
 				"[\n" +
 				"  {\n" +
 				"    \"adminName\": \"총학생회\",\n" +
 				"    \"sort\": \"SUGGEST\"\n" +
+				"    \"createdAt\": \"2026-02-03\"\n" +
 				"  },\n" +
 				"  {\n" +
 				"    \"adminName\": \"\",\n" +
 				"    \"sort\": \"REVIEW\"\n" +
+				"    \"createdAt\": \"2026-02-03\"\n" +
 				"  }\n" +
 				"]\n" +
 				"```\n" +

src/main/java/com/assu/server/domain/qr/dto/TemporaryQrRequestDTO.java

@@ -1,6 +1,5 @@
 package com.assu.server.domain.qr.dto;
 
-import com.assu.server.domain.member.entity.Member;
 import com.assu.server.domain.qr.entity.Qr;
 import com.assu.server.domain.qr.entity.SortByMethod;
 

src/main/java/com/assu/server/domain/qr/dto/TemporaryQrResponseDTO.java

@@ -1,10 +1,14 @@
 package com.assu.server.domain.qr.dto;
 
 import com.assu.server.domain.qr.entity.SortByMethod;
+import com.fasterxml.jackson.annotation.JsonFormat;
 
 public record TemporaryQrResponseDTO(
 	String adminName,
-	SortByMethod sort
+	SortByMethod sort,
+
+	@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm", timezone = "Asia/Seoul")
+	String createdAt
 ) {
 
 }

src/main/java/com/assu/server/domain/qr/service/TemporaryQrServiceImpl.java

@@ -56,7 +56,8 @@ public List<TemporaryQrResponseDTO> getTemporaryQrData(Member member) {
 			.stream()
 			.map(data -> new TemporaryQrResponseDTO(
 				data.getAdminName(),
-				data.getSort()
+				data.getSort(),
+				data.getCreatedAt().toString()
 			))
 			.collect(Collectors.toList());