Merge branch 'main' of http://39.117.244.52:3000/kjs/ERP-node into lhj

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backend-node/src/services/tableManagementService.ts

@@ -2711,6 +2711,12 @@ export class TableManagementService {
         filterColumn?: string;
         filterValue?: any;
       }; // 🆕 제외 필터 (다른 테이블에 이미 존재하는 데이터 제외)
+      deduplication?: {
+        enabled: boolean;
+        groupByColumn: string;
+        keepStrategy: "latest" | "earliest" | "base_price" | "current_date";
+        sortColumn?: string;
+      }; // 🆕 중복 제거 설정
     }
   ): Promise<EntityJoinResponse> {
     const startTime = Date.now();