제어관리 외부커넥션 설정기능

backend-node/src/services/tableManagementService.ts

@@ -14,7 +14,8 @@ import { WebType } from "../types/unified-web-types";
 import { entityJoinService } from "./entityJoinService";
 import { referenceCacheService } from "./referenceCacheService";
 
-const prisma = new PrismaClient();
+// 🔧 Prisma 클라이언트 중복 생성 방지 - 기존 인스턴스 재사용
+import prisma = require("../config/database");
 
 export class TableManagementService {
   constructor() {}