entity 연결 수정 및 코드정리

backend/src/genome/genome.service.ts

@@ -723,11 +723,9 @@ export class GenomeService {
         traitVal: detail.traitVal,              // 형질 측정값
         breedVal: detail.traitEbv,              // EBV (추정육종가)
         percentile: detail.traitPercentile,    // 백분위 순위
-        traitInfo: {
-          traitNm: detail.traitName,           // 형질명
-          traitCtgry: getTraitCategory(detail.traitName || ''),  // 카테고리 (공통 함수 사용)
-          traitDesc: '',                       // 형질 설명 (빈값)
-        },
+        traitName: detail.traitName,           // 형질명 (평평한 구조)
+        traitCategory: getTraitCategory(detail.traitName || ''),  // 카테고리
+        traitDesc: '',                         // 형질 설명 (빈값)
       })),
     }];
   }

backend/src/mpt/entities/mpt.entity.ts

@@ -1,5 +1,5 @@
 import { BaseModel } from 'src/common/entities/base.entity';
-import { FarmModel } from 'src/farm/entities/farm.entity';
+import { CowModel } from 'src/cow/entities/cow.entity';
 import {
   Column,
   Entity,
@@ -254,7 +254,10 @@ export class MptModel extends BaseModel {
   creatine: number;
 
   // Relations
-  @ManyToOne(() => FarmModel, { onDelete: 'CASCADE' })
-  @JoinColumn({ name: 'fk_farm_no' })
-  farm: FarmModel;
+  @ManyToOne(() => CowModel, {
+    onDelete: 'CASCADE',
+    createForeignKeyConstraints: false
+  })
+  @JoinColumn({ name: 'cow_id', referencedColumnName: 'cowId' })
+  cow: CowModel;
 }

backend/src/mpt/mpt.service.ts

@@ -20,7 +20,7 @@ export class MptService {
   async findByCowShortNo(cowShortNo: string): Promise<MptModel[]> {
     return this.mptRepository.find({
       where: { cowShortNo: cowShortNo, delDt: IsNull() },
-      relations: ['farm'],
+      relations: ['cow', 'cow.farm'],
       order: { testDt: 'DESC' },
     });
   }
@@ -28,7 +28,7 @@ export class MptService {
   async findByCowId(cowId: string): Promise<MptModel[]> {
     return this.mptRepository.find({
       where: { cowId: cowId, delDt: IsNull() },
-      relations: ['farm'],
+      relations: ['cow', 'cow.farm'],
       order: { testDt: 'DESC' },
     });
   }