refactor: 更新事件处理函数类型定义

- 更新事件处理函数类型以使用更精确的类型定义，提升代码可读性和类型安全性。

src/routes/todos.tsx

@@ -1,6 +1,6 @@
 import { useMutation, useSuspenseQuery } from '@tanstack/react-query'
 import { createFileRoute } from '@tanstack/react-router'
-import type { ChangeEvent, FormEvent } from 'react'
+import type { ChangeEventHandler, FormEventHandler } from 'react'
 import { useState } from 'react'
 import { orpc } from '@/orpc'
 
@@ -19,7 +19,7 @@ function Todos() {
   const updateMutation = useMutation(orpc.todo.update.mutationOptions())
   const deleteMutation = useMutation(orpc.todo.remove.mutationOptions())
 
-  const handleCreateTodo = (e: FormEvent<HTMLFormElement>) => {
+  const handleCreateTodo: FormEventHandler<HTMLFormElement> = (e) => {
     e.preventDefault()
     if (newTodoTitle.trim()) {
       createMutation.mutate({ title: newTodoTitle.trim() })
@@ -27,7 +27,7 @@ function Todos() {
     }
   }
 
-  const handleInputChange = (e: ChangeEvent<HTMLInputElement>) => {
+  const handleInputChange: ChangeEventHandler<HTMLInputElement> = (e) => {
     setNewTodoTitle(e.target.value)
   }