refactor(auth): clean up unused import in client_routes and adjust token data initialization

src/api/client_routes.py

@@ -19,7 +19,6 @@ from src.services import (
     client_service,
 )
 from src.services.auth_service import create_access_token
-from src.models.models import User
 import logging
 
 logger = logging.getLogger(__name__)

src/services/auth_service.py

@@ -57,7 +57,7 @@ async def get_current_user(
             logger.warning(f"Token expired for {email}")
             raise credentials_exception
 
-        token_data = TokenData(
+        TokenData(
             sub=email,
             exp=datetime.fromtimestamp(exp),
             is_admin=payload.get("is_admin", False),