테이블 컬럼 표시문제 수정

frontend/lib/registry/components/table-list/TableListComponent.tsx

@@ -322,9 +322,10 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
             console.log(`🔗 조인 설정: ${col.columnName} -> ${sourceColumn} (${referenceTable})`);
 
             return {
-              sourceTable: referenceTable,
+              sourceTable: tableConfig.selectedTable || "unknown", // 기본 테이블 (user_info)
               sourceColumn: sourceColumn,
               joinAlias: col.columnName,
+              referenceTable: referenceTable, // 참조 테이블 정보도 추가
             };
           }),
       ];