피벗에 필터링쪽에 초기화버튼 넣었음

frontend/lib/registry/components/pivot-grid/PivotGridComponent.tsx

@@ -299,6 +299,8 @@ export const PivotGridComponent: React.FC<PivotGridProps> = ({
   // ==================== 상태 ====================
 
   const [fields, setFields] = useState<PivotFieldConfig[]>(initialFields);
+  // 초기 필드 설정 저장 (초기화용)
+  const initialFieldsRef = useRef<PivotFieldConfig[]>(initialFields);
   const [pivotState, setPivotState] = useState<PivotGridState>({
     expandedRowPaths: [],
     expandedColumnPaths: [],
@@ -1129,6 +1131,7 @@ export const PivotGridComponent: React.FC<PivotGridProps> = ({
           onFieldsChange={handleFieldsChange}
           collapsed={!showFieldPanel}
           onToggleCollapse={() => setShowFieldPanel(!showFieldPanel)}
+          initialFields={initialFieldsRef.current}
         />
 
         {/* 안내 메시지 */}
@@ -1405,6 +1408,7 @@ export const PivotGridComponent: React.FC<PivotGridProps> = ({
         onFieldsChange={handleFieldsChange}
         collapsed={!showFieldPanel}
         onToggleCollapse={() => setShowFieldPanel(!showFieldPanel)}
+        initialFields={initialFieldsRef.current}
       />
 
       {/* 헤더 툴바 */}