Function spawn_accept_raw 

pub fn spawn_accept_raw(
    listener: TcpListener,
    acceptor: Arc<HttpAcceptor>,
    handler: Arc<dyn RawHandler>,
    write_timeout: Duration,
) -> Result<()>

Spawn a raw-HTTP accept loop — TLS-terminated like spawn_accept_http, with the same DNS-rebind Origin guard — dispatching each request to handler.