feat: 添加前端页面和业务说明书

refactor(server): 重构服务层代码结构
feat(server): 添加基础设施、跨境电商、AI决策等核心服务
docs: 完善前端业务说明书和开发进度文档
style: 格式化代码和文档

dashboard/src/pages/Settings/index.tsx

@@ -0,0 +1,115 @@
+import React from 'react';
+import { Card, Row, Col, Button, Tabs } from 'antd';
+import { UserOutlined, TeamOutlined, SettingOutlined, LockOutlined, BellOutlined } from '@ant-design/icons';
+import { useNavigate } from 'react-router-dom';
+
+const { TabPane } = Tabs;
+
+const Settings: React.FC = () => {
+  const navigate = useNavigate();
+
+  return (
+    <div className="settings">
+      <div className="page-header">
+        <h1>设置</h1>
+      </div>
+
+      <Row gutter={16} style={{ marginBottom: 24 }}>
+        <Col span={6}>
+          <Card>
+            <Button
+              type="primary"
+              block
+              icon={<UserOutlined />}
+              onClick={() => navigate('/settings/profile')}
+            >
+              个人设置
+            </Button>
+          </Card>
+        </Col>
+        <Col span={6}>
+          <Card>
+            <Button
+              type="primary"
+              block
+              icon={<TeamOutlined />}
+              onClick={() => navigate('/settings/tenant')}
+            >
+              租户设置
+            </Button>
+          </Card>
+        </Col>
+        <Col span={6}>
+          <Card>
+            <Button
+              type="primary"
+              block
+              icon={<UserOutlined />}
+              onClick={() => navigate('/settings/users')}
+            >
+              用户管理
+            </Button>
+          </Card>
+        </Col>
+        <Col span={6}>
+          <Card>
+            <Button
+              type="primary"
+              block
+              icon={<LockOutlined />}
+            >
+              安全设置
+            </Button>
+          </Card>
+        </Col>
+      </Row>
+
+      <Tabs defaultActiveKey="overview">
+        <TabPane tab="设置概览" key="overview">
+          <Row gutter={16}>
+            <Col span={12}>
+              <Card title="账户信息">
+                <div style={{ textAlign: 'center', padding: '50px 0' }}>
+                  <p>账户信息设置</p>
+                </div>
+              </Card>
+            </Col>
+            <Col span={12}>
+              <Card title="通知设置">
+                <div style={{ textAlign: 'center', padding: '50px 0' }}>
+                  <p>通知设置</p>
+                </div>
+              </Card>
+            </Col>
+          </Row>
+        </TabPane>
+
+        <TabPane tab="个人设置" key="profile">
+          <div style={{ textAlign: 'center', padding: '50px 0' }}>
+            <Button type="primary" onClick={() => navigate('/settings/profile')}>
+              查看个人设置
+            </Button>
+          </div>
+        </TabPane>
+
+        <TabPane tab="租户设置" key="tenant">
+          <div style={{ textAlign: 'center', padding: '50px 0' }}>
+            <Button type="primary" onClick={() => navigate('/settings/tenant')}>
+              查看租户设置
+            </Button>
+          </div>
+        </TabPane>
+
+        <TabPane tab="用户管理" key="users">
+          <div style={{ textAlign: 'center', padding: '50px 0' }}>
+            <Button type="primary" onClick={() => navigate('/settings/users')}>
+              查看用户管理
+            </Button>
+          </div>
+        </TabPane>
+      </Tabs>
+    </div>
+  );
+};
+
+export default Settings;