refactor(assets_proxy): use decorators to simplify code

app/router/notification/__init__.py

@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 from app.config import settings
 from app.database.notification import Notification, UserNotification
 from app.database.user import User

app/router/notification/banchobot.py

@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 import asyncio
 from collections.abc import Awaitable, Callable
 from math import ceil

app/router/notification/channel.py

@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 from typing import Annotated, Any, Literal, Self
 
 from app.database.chat import (

app/router/notification/message.py

@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 from typing import Annotated
 
 from app.database import ChatMessageResp

app/router/notification/server.py

@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 import asyncio
 from typing import Annotated, overload