feat: 管理后台订单列表显示来源域名（srcHost）

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/app/admin/page.tsx

@@ -19,6 +19,7 @@ interface AdminOrder {
   completedAt: string | null;
   failedReason: string | null;
   expiresAt: string;
+  srcHost: string | null;
 }
 
 interface AdminOrderDetail extends AdminOrder {

src/app/api/admin/orders/route.ts

@@ -42,6 +42,7 @@ export async function GET(request: NextRequest) {
         completedAt: true,
         failedReason: true,
         expiresAt: true,
+        srcHost: true,
       },
     }),
     prisma.order.count({ where }),

src/components/admin/OrderTable.tsx

@@ -15,6 +15,7 @@ interface Order {
   completedAt: string | null;
   failedReason: string | null;
   expiresAt: string;
+  srcHost: string | null;
   rechargeRetryable?: boolean;
 }
 
@@ -49,6 +50,7 @@ export default function OrderTable({ orders, onRetry, onCancel, onViewDetail }:
             <th className="px-4 py-3 text-left text-xs font-medium uppercase text-gray-500">金额</th>
             <th className="px-4 py-3 text-left text-xs font-medium uppercase text-gray-500">状态</th>
             <th className="px-4 py-3 text-left text-xs font-medium uppercase text-gray-500">支付方式</th>
+            <th className="px-4 py-3 text-left text-xs font-medium uppercase text-gray-500">来源</th>
             <th className="px-4 py-3 text-left text-xs font-medium uppercase text-gray-500">创建时间</th>
             <th className="px-4 py-3 text-left text-xs font-medium uppercase text-gray-500">操作</th>
           </tr>
@@ -79,6 +81,9 @@ export default function OrderTable({ orders, onRetry, onCancel, onViewDetail }:
                 <td className="whitespace-nowrap px-4 py-3 text-sm text-gray-500">
                   {order.paymentType === 'alipay' ? '支付宝' : '微信支付'}
                 </td>
+                <td className="whitespace-nowrap px-4 py-3 text-sm text-gray-500">
+                  {order.srcHost || '-'}
+                </td>
                 <td className="whitespace-nowrap px-4 py-3 text-sm text-gray-500">
                   {new Date(order.createdAt).toLocaleString('zh-CN')}
                 </td>