feat(WEB): 수주 목록 frameCount에 rootNodes 수량 합계 반영

- ApiOrder 인터페이스에 root_nodes_sum_quantity 필드 추가
- frameCount 매핑: root_nodes_sum_quantity 우선, fallback으로 quantity 사용

src/components/orders/actions.ts

@@ -21,6 +21,7 @@ interface ApiOrder {
   client_contact: string | null;
   site_name: string | null;
   quantity: number;
+  root_nodes_sum_quantity: number | null;
   supply_amount: number;
   tax_amount: number;
   total_amount: number;
@@ -539,7 +540,7 @@ function transformApiToFrontend(apiData: ApiOrder): Order {
     productName: apiData.items?.[0]?.item_name ?? undefined,
     receiverAddress: apiData.options?.shipping_address ?? undefined,
     receiverPlace: apiData.options?.receiver_contact ?? undefined,
-    frameCount: apiData.quantity ?? undefined,
+    frameCount: apiData.root_nodes_sum_quantity ?? apiData.quantity ?? undefined,
     // 상세 페이지용 추가 필드 (API에서 매핑)
     manager: apiData.client?.manager_name ?? undefined,
     contact: apiData.client_contact ?? apiData.client?.phone ?? undefined,