워크플로우 restapi도 연결가능하고여러개 가능하게 구현시켜놓음

backend-node/src/services/flowDefinitionService.ts

@@ -30,6 +30,7 @@ export class FlowDefinitionService {
       restApiConnectionId: request.restApiConnectionId,
       restApiEndpoint: request.restApiEndpoint,
       restApiJsonPath: request.restApiJsonPath,
+      restApiConnections: request.restApiConnections,
       companyCode,
       userId,
     });
@@ -38,9 +39,9 @@ export class FlowDefinitionService {
       INSERT INTO flow_definition (
         name, description, table_name, db_source_type, db_connection_id, 
         rest_api_connection_id, rest_api_endpoint, rest_api_json_path,
-        company_code, created_by
+        rest_api_connections, company_code, created_by
       )
-      VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
+      VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)
       RETURNING *
     `;
 
@@ -52,7 +53,8 @@ export class FlowDefinitionService {
       request.dbConnectionId || null,
       request.restApiConnectionId || null,
       request.restApiEndpoint || null,
-      request.restApiJsonPath || "data",
+      request.restApiJsonPath || "response",
+      request.restApiConnections ? JSON.stringify(request.restApiConnections) : null,
       companyCode,
       userId,
     ];
@@ -209,6 +211,19 @@ export class FlowDefinitionService {
    * DB 행을 FlowDefinition 객체로 변환
    */
   private mapToFlowDefinition(row: any): FlowDefinition {
+    // rest_api_connections 파싱 (JSONB → 배열)
+    let restApiConnections = undefined;
+    if (row.rest_api_connections) {
+      try {
+        restApiConnections = typeof row.rest_api_connections === 'string' 
+          ? JSON.parse(row.rest_api_connections) 
+          : row.rest_api_connections;
+      } catch (e) {
+        console.warn("Failed to parse rest_api_connections:", e);
+        restApiConnections = [];
+      }
+    }
+
     return {
       id: row.id,
       name: row.name,
@@ -216,10 +231,12 @@ export class FlowDefinitionService {
       tableName: row.table_name,
       dbSourceType: row.db_source_type || "internal",
       dbConnectionId: row.db_connection_id,
-      // REST API 관련 필드
+      // REST API 관련 필드 (단일)
       restApiConnectionId: row.rest_api_connection_id,
       restApiEndpoint: row.rest_api_endpoint,
       restApiJsonPath: row.rest_api_json_path,
+      // 다중 REST API 관련 필드
+      restApiConnections: restApiConnections,
       companyCode: row.company_code || "*",
       isActive: row.is_active,
       createdBy: row.created_by,