refactor: guardianExcel

src/main/java/dbdr/domain/excel/service/ExcelUploadService.java

@@ -132,7 +132,7 @@ private void processGuardianRow(Row row, List<ExcelGuardianResponse> successList
             Guardian guardian = Guardian.builder()
                     .name(name)
                     .phone(phone)
-                    //.institution(institution) //가디언 빌더에 추가필요
+                    .institution(institution)
                     .build();
             guardianRepository.save(guardian);
 

src/main/java/dbdr/domain/guardian/entity/Guardian.java

@@ -53,6 +53,7 @@ public class Guardian extends BaseEntity {
     public Guardian(String loginId, String loginPassword, String phone, String name, Institution institution) {
         this.phone = phone;
         this.name = name;
+        this.institution = institution;
         this.alertTime = LocalTime.of(18, 0); // 오후 6시로 초기화
     }