fix(web): disable admin and billing mock surfaces

apps/web/src/components/layout/Sidebar.tsx

@@ -10,9 +10,6 @@ import {
   CrownOutlined,
   UserOutlined,
   DashboardOutlined,
-  BarChartOutlined,
-  MonitorOutlined,
-  FileTextOutlined,
 } from '@ant-design/icons';
 import { useNavigate, useLocation } from 'react-router-dom';
 import type { MenuProps } from 'antd';
@@ -55,39 +52,8 @@ const Sidebar: React.FC<SidebarProps> = ({ collapsed }) => {
     {
       key: '/admin',
       icon: <DashboardOutlined />,
-      label: 'Admin',
-      children: [
-        {
-          key: '/admin',
-          icon: <DashboardOutlined />,
-          label: 'Dashboard',
-          onClick: () => navigate('/admin'),
-        },
-        {
-          key: '/admin/users',
-          icon: <TeamOutlined />,
-          label: '用户管理',
-          onClick: () => navigate('/admin/users'),
-        },
-        {
-          key: '/admin/analytics',
-          icon: <BarChartOutlined />,
-          label: '数据分析',
-          onClick: () => navigate('/admin/analytics'),
-        },
-        {
-          key: '/admin/monitor',
-          icon: <MonitorOutlined />,
-          label: '系统监控',
-          onClick: () => navigate('/admin/monitor'),
-        },
-        {
-          key: '/admin/logs',
-          icon: <FileTextOutlined />,
-          label: '日志查看',
-          onClick: () => navigate('/admin/logs'),
-        },
-      ],
+      label: 'Admin（暂未开放）',
+      disabled: true,
     },
     {
       key: '/profile',

apps/web/src/pages/subscription/Billing.tsx

@@ -1,100 +1,22 @@
-/**
- * 账单管理页面
- */
 import React from 'react';
-import { Card, Table, Button, Tag, Space } from 'antd';
-import { DownloadOutlined, FileTextOutlined } from '@ant-design/icons';
-
-interface Invoice {
-  id: string;
-  date: string;
-  amount: number;
-  status: 'paid' | 'pending' | 'overdue';
-  plan: string;
-}
+import { Button, Card, Result } from 'antd';
+import { useNavigate } from 'react-router-dom';
 
 const Billing: React.FC = () => {
-  // 模拟数据
-  const invoices: Invoice[] = [
-    {
-      id: 'INV-2024-001',
-      date: '2024-06-01',
-      amount: 99,
-      status: 'paid',
-      plan: 'Pro',
-    },
-    {
-      id: 'INV-2024-002',
-      date: '2024-05-01',
-      amount: 99,
-      status: 'paid',
-      plan: 'Pro',
-    },
-  ];
-
-  const getStatusTag = (status: string) => {
-    const config: Record<string, { color: string; text: string }> = {
-      paid: { color: 'success', text: '已支付' },
-      pending: { color: 'processing', text: '待支付' },
-      overdue: { color: 'error', text: '逾期' },
-    };
-    const item = config[status] || config.pending;
-    return <Tag color={item.color}>{item.text}</Tag>;
-  };
-
-  const columns = [
-    {
-      title: '账单编号',
-      dataIndex: 'id',
-      key: 'id',
-    },
-    {
-      title: '日期',
-      dataIndex: 'date',
-      key: 'date',
-    },
-    {
-      title: '套餐',
-      dataIndex: 'plan',
-      key: 'plan',
-    },
-    {
-      title: '金额',
-      dataIndex: 'amount',
-      key: 'amount',
-      render: (amount: number) => `¥${amount}`,
-    },
-    {
-      title: '状态',
-      dataIndex: 'status',
-      key: 'status',
-      render: (status: string) => getStatusTag(status),
-    },
-    {
-      title: '操作',
-      key: 'action',
-      render: (_: any) => (
-        <Space>
-          <Button type="link" icon={<DownloadOutlined />} disabled>
-            下载暂未开放
-          </Button>
-          <Button type="link" icon={<FileTextOutlined />} disabled>
-            发票暂未开放
-          </Button>
-        </Space>
-      ),
-    },
-  ];
+  const navigate = useNavigate();
 
   return (
     <div style={{ padding: '24px' }}>
-      <h1>账单管理</h1>
       <Card>
-        <Table
-          columns={columns}
-          dataSource={invoices}
-          rowKey="id"
-          pagination={{ pageSize: 10 }}
+        <Result
+          status="info"
+          title="账单管理暂未开放"
+          subTitle="当前版本未接入账单、支付、发票和下载后端服务，因此不展示模拟账单，也不会伪造下载成功。"
+          extra={[
+            <Button key="plans" type="primary" onClick={() => navigate('/subscription')}>
+              返回订阅说明
+            </Button>,
+          ]}
         />
       </Card>
     </div>