chore: 统一代码格式并配置开发工具

- 添加 ESLint 和 Prettier 配置以统一代码风格
- 配置项目级 TypeScript 设置
- 更新前后端依赖版本
- 修复代码格式问题（引号、分号、尾随逗号等）
- 优化文件结构和导入路径

web/src/app/register/index.tsx

@@ -1,42 +1,57 @@
-import { useState } from 'react';
-import { useNavigate, Link } from 'react-router-dom';
-import { Card, Input, Button, Form, toast, TextField, Label, FieldError } from '@heroui/react';
-import { signUp } from '../../lib/auth-client';
+import { useState } from 'react'
+import { useNavigate, Link as RouterLink } from 'react-router-dom'
+import {
+  Card,
+  Input,
+  Button,
+  Form,
+  toast,
+  TextField,
+  Label,
+  FieldError,
+} from '@heroui/react'
+import { buttonVariants } from '@heroui/styles'
+import { signUp } from '../../lib/auth-client'
 
 export default function RegisterPage() {
-  const [email, setEmail] = useState('');
-  const [password, setPassword] = useState('');
-  const [loading, setLoading] = useState(false);
-  const navigate = useNavigate();
+  const [email, setEmail] = useState('')
+  const [password, setPassword] = useState('')
+  const [loading, setLoading] = useState(false)
+  const navigate = useNavigate()
 
   const handleRegister = async (e: React.FormEvent<HTMLFormElement>) => {
-    e.preventDefault();
-    setLoading(true);
+    e.preventDefault()
+    setLoading(true)
     try {
-      await signUp.email({
-        email,
-        password,
-        name: email.split('@')[0], // Default name
-      }, {
-        onSuccess: () => {
-          navigate('/');
+      await signUp.email(
+        {
+          email,
+          password,
+          name: email.split('@')[0], // Default name
         },
-        onError: (ctx) => {
-          toast.danger(ctx.error.message);
-        }
-      });
+        {
+          onSuccess: () => {
+            navigate('/')
+          },
+          onError: (ctx) => {
+            toast.danger(ctx.error.message)
+          },
+        },
+      )
     } catch (err) {
-      console.error(err);
+      console.error(err)
     } finally {
-      setLoading(false);
+      setLoading(false)
     }
-  };
+  }
 
   return (
-    <div className="flex flex-col items-center justify-center min-h-[calc(100vh-64px)] p-4">
+    <div className="flex min-h-[calc(100vh-64px)] flex-col items-center justify-center p-4">
       <Card className="w-full max-w-md">
         <Card.Header>
-          <Card.Title className="text-2xl font-bold text-center w-full">注册 HLAE 中文站</Card.Title>
+          <Card.Title className="w-full text-center text-2xl font-bold">
+            注册 HLAE 中文站
+          </Card.Title>
         </Card.Header>
         <Form validationBehavior="native" onSubmit={handleRegister}>
           <Card.Content className="flex flex-col gap-6">
@@ -64,21 +79,42 @@ export default function RegisterPage() {
               <FieldError />
             </TextField>
           </Card.Content>
-          <Card.Footer className="flex flex-col gap-3 mt-2">
-            <Button type="submit" isPending={loading} fullWidth className="font-bold">
+          <Card.Footer className="mt-2 flex flex-col gap-3">
+            <Button
+              type="submit"
+              isPending={loading}
+              fullWidth
+              className="font-bold"
+            >
               注册
             </Button>
-            <Button as={Link} to="/login" variant="tertiary" fullWidth className="font-bold">
+            <RouterLink
+              to="/login"
+              className={buttonVariants({
+                variant: 'tertiary',
+                fullWidth: true,
+                className: 'font-bold',
+              })}
+            >
               已有账号？登录
-            </Button>
-            <div className="flex justify-center mt-2">
-              <Link to="/" className="text-sm text-default-500 hover:text-primary transition-colors flex items-center gap-1">
-                <span>← 返回首页</span>
-              </Link>
+            </RouterLink>
+            <div className="mt-2 flex justify-center">
+              <RouterLink
+                to="/"
+                className="text-default-500 hover:text-foreground text-sm"
+              >
+                返回首页
+              </RouterLink>
             </div>
           </Card.Footer>
         </Form>
       </Card>
+      <p className="mt-4 text-sm text-gray-500">
+        已有账号？{' '}
+        <RouterLink to="/login" className="text-primary hover:underline">
+          去登录
+        </RouterLink>
+      </p>
     </div>
-  );
+  )
 }