完整API模块结构：

client/admin/api/ ├── auth.ts (认证API) ├── users.ts (用户API) ├── files.ts (文件API) ├── theme.ts (主题API) ├── charts.ts (图表API) ├── messages.ts (消息API) ├── sys.ts (系统API) ├── know_info.ts (知识库API) ├── maps.ts (地图API) └── index.ts (统一入口)

client/admin/pages_theme_settings.tsx

@@ -1,53 +1,30 @@
 import React, { useState, useEffect } from 'react';
 import { 
-  Layout, Menu, Button, Table, Space,
-  Form, Input, Select, message, Modal,
-  Card, Spin, Row, Col, Breadcrumb, Avatar,
-  Dropdown, ConfigProvider, theme, Typography,
-  Switch, Badge, Image, Upload, Divider, Descriptions,
-  Popconfirm, Tag, Statistic, DatePicker, Radio, Progress, Tabs, List, Alert, Collapse, Empty, Drawer, InputNumber,ColorPicker,
-  Popover
+  Button, Space,
+  Form, message, 
+  Card, Spin, Typography,
+  Switch, 
+  Popconfirm, Radio, InputNumber,ColorPicker,
 } from 'antd';
-import {
-  UploadOutlined,
-  ReloadOutlined,
-  SaveOutlined,
-  BgColorsOutlined
-} from '@ant-design/icons';
-import { debounce } from 'lodash';
-import { 
-  useQuery,
-  useMutation,
-  useQueryClient,
-} from '@tanstack/react-query';
 import dayjs from 'dayjs';
 import weekday from 'dayjs/plugin/weekday';
 import localeData from 'dayjs/plugin/localeData';
 import 'dayjs/locale/zh-cn';
 import type { 
-  FileLibrary, FileCategory, KnowInfo, SystemSetting, SystemSettingValue,
   ColorScheme
 } from '../share/types.ts';
 import { ThemeMode } from '../share/types.ts';
 
 import {
-  SystemSettingGroup,
-  SystemSettingKey,
   FontSize,
   CompactMode, 
-  AllowedFileType
 } from '../share/types.ts';
 
 
-import { getEnumOptions } from './utils.ts';
 
-import {
-  SystemAPI,
-} from './api.ts';
 
 import { useTheme } from './hooks_sys.tsx';
 
-import { Uploader } from './components_uploader.tsx';
 
 // 配置 dayjs 插件
 dayjs.extend(weekday);