新增退款待审核角标提醒

frontend/src/features/orders/api/orders.ts

@@ -509,3 +509,11 @@ export async function fetchPendingRefundOrders() {
   )
   return data.data.items
 }
+
+export async function fetchPendingRefundCount() {
+  const { data } = await apiClient.get<ApiResponse<{ pending_refund_count: number }>>(
+    '/admin/orders/refund-pending-count',
+    { silent: true }
+  )
+  return data.data.pending_refund_count
+}