fix: remove unused imports and rename shadowing parameters in main.py

app/main.py

@@ -8,11 +8,9 @@ from fastapi.staticfiles import StaticFiles
 from fastapi.templating import Jinja2Templates
 
 from app.core.config import get_settings
-from app.core.database import get_db
 from app.modules.auth.dependencies import (
     RequiresLoginException,
     check_permission,
-    get_current_user,
     get_current_user_optional,
 )
 from app.modules.auth.router import router as auth_router
@@ -89,7 +87,7 @@ def _reset_admin() -> None:
 
 
 @asynccontextmanager
-async def lifespan(app: FastAPI):
+async def lifespan(_app: FastAPI):
     _reset_admin()
     yield
 
@@ -115,7 +113,7 @@ for _module in MODULES:
 
 
 @app.exception_handler(RequiresLoginException)
-async def requires_login_handler(request: Request, exc: RequiresLoginException):
+async def requires_login_handler(_request: Request, _exc: RequiresLoginException):
     return RedirectResponse(url="/auth/login", status_code=307)