fix(admin-web): add operatorId to system-withdrawal request

The wallet-service API requires operatorId parameter but frontend
was not sending it, causing 400 error. Now includes operatorId
and operatorName from current logged-in user.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/admin-web/src/app/(dashboard)/system-transfer/page.tsx

@@ -5,6 +5,7 @@ import { Modal, toast, Button } from '@/components/common';
 import { PageContainer } from '@/components/layout';
 import { cn } from '@/utils/helpers';
 import { formatDateTime } from '@/utils/formatters';
+import { useAppSelector } from '@/store/redux/hooks';
 import {
   useSystemWithdrawalAccounts,
   useSystemWithdrawalOrders,
@@ -24,6 +25,9 @@ type TabType = 'transfer' | 'orders';
  * 系统账户划转管理页面
  */
 export default function SystemTransferPage() {
+  // 获取当前登录用户
+  const currentUser = useAppSelector((state) => state.auth.user);
+
   // 当前标签页
   const [activeTab, setActiveTab] = useState<TabType>('transfer');
 
@@ -101,6 +105,8 @@ export default function SystemTransferPage() {
         toAccountSequence: transferForm.toAccountSequence,
         amount: transferForm.amount,
         memo: transferForm.memo || undefined,
+        operatorId: currentUser?.id || 'admin',
+        operatorName: currentUser?.nickname || currentUser?.username,
       });
       toast.success('划转请求已提交，等待区块链确认');
       setConfirmModalOpen(false);

frontend/admin-web/src/types/system-withdrawal.types.ts

@@ -43,6 +43,8 @@ export interface SystemWithdrawalRequest {
   toAccountSequence: string;
   amount: string;
   memo?: string;
+  operatorId: string;
+  operatorName?: string;
 }
 
 // 划转响应