fix: 제보 상세 조회 Response에 날짜 필드 추가

Author: yuseok0215

src/main/java/bitnagil/bitnagil_backend/report/domain/Report.java

@@ -27,7 +27,7 @@
 @Getter
 @SQLDelete(sql = "UPDATE report SET deleted_at = NOW() WHERE report_id = ?")
 @Where(clause = "deleted_at IS NULL")
-public class Report extends BaseTimeEntity {
+public class    Report extends BaseTimeEntity {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long reportId; // 제보ID

src/main/java/bitnagil/bitnagil_backend/report/response/ReportDetailInfoResponse.java

@@ -1,5 +1,6 @@
 package bitnagil.bitnagil_backend.report.response;
 
+import java.time.LocalDate;
 import java.util.List;
 
 import bitnagil.bitnagil_backend.report.domain.enums.ReportCategory;
@@ -14,6 +15,10 @@
 @Builder
 public class ReportDetailInfoResponse {
 
+    @Schema(description = "제보 날짜",
+        example = "2025-11-16")
+    private LocalDate reportDate;
+
     @Schema(description = "현재 제보 상태",
         example = "IN_PROGRESS")
     private ReportStatus reportStatus;

src/main/java/bitnagil/bitnagil_backend/report/service/ReportService.java

@@ -86,6 +86,7 @@ public ReportDetailInfoResponse getReportDetailInfo(User user, Long reportId) {
             () -> new CustomException(ErrorCode.NOT_FOUND_REPORT));
 
         return ReportDetailInfoResponse.builder()
+            .reportDate(report.getCreatedAt().toLocalDate())
             .reportStatus(report.getReportStatus())
             .reportTitle(report.getReportTitle())
             .reportContent(report.getReportContent())