fix: clean typing issues and refresh runtime dependencies

Align endpoint/module type hints and config reload handling while updating base Python image and package pins to improve build/runtime compatibility.

Made-with: Cursor

app/api/endpoints/download.py

@@ -5,15 +5,13 @@ from fastapi import APIRouter, Depends, Body
 from app import schemas
 from app.chain.download import DownloadChain
 from app.chain.media import MediaChain
-from app.core.config import settings
 from app.core.context import MediaInfo, Context, TorrentInfo
-from app.core.event import eventmanager
 from app.core.metainfo import MetaInfo
 from app.core.security import verify_token
 from app.db.models.user import User
 from app.db.systemconfig_oper import SystemConfigOper
 from app.db.user_oper import get_current_active_user
-from app.schemas.types import ChainEventType, SystemConfigKey
+from app.schemas.types import SystemConfigKey
 
 router = APIRouter()
 

app/api/endpoints/user.py

@@ -12,7 +12,6 @@ from app.db.models.user import User
 from app.db.user_oper import get_current_active_superuser_async, \
     get_current_active_user_async, get_current_active_user
 from app.db.userconfig_oper import UserConfigOper
-from app.utils.otp import OtpUtils
 
 router = APIRouter()