def __init__(self, app, default_origins: List[str]):
        """Initialize the middleware.

        Args:
            app: The FastAPI application
            default_origins: Default CORS origins to allow
        """
        super().__init__(app)
        self.default_origins = default_origins
Initialize the middleware.

        Args:
            app: The FastAPI application
            default_origins: Default CORS origins to allow
        
backend/airweave/api/middleware.py