fix: some build errors and warnings caused by useless code

src/App.tsx

@@ -1,4 +1,3 @@
-import React from 'react';
 import LayoutWrapper from './components/LayoutWrapper';
 
 function App() {

src/apis/request.ts

@@ -1,7 +1,6 @@
 // 基础请求工具函数
 
 import { API_CONFIG } from './config';
-import type { HTTPValidationError } from './types';
 
 // 请求选项接口
 export interface RequestOptions {

src/components/KeyValueList.tsx

@@ -1,4 +1,4 @@
-import React, { useEffect, useState, useRef } from 'react';
+import React, { useEffect, useState } from 'react';
 import { Row, Col, Input, Button } from 'antd';
 import { PlusOutlined, DeleteOutlined } from '@ant-design/icons';
 import './KeyValueList.css';

src/components/ResourceList.tsx

@@ -501,7 +501,6 @@ const ResourceList: React.FC = () => {
   const isMobile = !screens.md;
   const [loading, setLoading] = React.useState(false);
   const [data, setData] = React.useState<Resource[]>([]);
-  const [pageSize, setPageSize] = React.useState<number>(10);
   const [pagination, setPagination] = React.useState<{ current: number; pageSize: number }>({ current: 1, pageSize: 10 });
 
   const handleTableChange: TableProps<Resource>['onChange'] = (pg) => {