refactor: 移除操作后刷新逻辑，依赖客户端状态同步

- 为 todo 相关的创建、更新和删除操作配置默认的 onSuccess 回调，以自动失效列表查询缓存。
- 移除所有操作后的刷新查询逻辑，依赖客户端状态自动同步更新。

src/routes/todos.tsx

@@ -15,6 +15,7 @@ function Todos() {
   const [newTodoTitle, setNewTodoTitle] = useState('')
 
   const listQuery = useSuspenseQuery(orpc.todo.list.queryOptions())
+
   const createMutation = useMutation(orpc.todo.create.mutationOptions())
   const updateMutation = useMutation(orpc.todo.update.mutationOptions())
   const deleteMutation = useMutation(orpc.todo.remove.mutationOptions())
@@ -22,15 +23,8 @@ function Todos() {
   const handleCreateTodo = (e: FormEvent<HTMLFormElement>) => {
     e.preventDefault()
     if (newTodoTitle.trim()) {
-      createMutation.mutate(
-        { title: newTodoTitle.trim() },
-        {
-          onSuccess: () => {
-            setNewTodoTitle('')
-            listQuery.refetch()
-          },
-        },
-      )
+      createMutation.mutate({ title: newTodoTitle.trim() })
+      setNewTodoTitle('')
     }
   }
 
@@ -39,28 +33,14 @@ function Todos() {
   }
 
   const handleToggleTodo = (id: string, currentCompleted: boolean) => {
-    updateMutation.mutate(
-      {
-        id,
-        data: { completed: !currentCompleted },
-      },
-      {
-        onSuccess: () => {
-          listQuery.refetch()
-        },
-      },
-    )
+    updateMutation.mutate({
+      id,
+      data: { completed: !currentCompleted },
+    })
   }
 
   const handleDeleteTodo = (id: string) => {
-    deleteMutation.mutate(
-      { id },
-      {
-        onSuccess: () => {
-          listQuery.refetch()
-        },
-      },
-    )
+    deleteMutation.mutate({ id })
   }
 
   const todos = listQuery.data