Function process_message_with_live_config 

pub async fn process_message_with_live_config(
    config: Config,
    live_config: LiveConfigHandle,
    agent_alias: &str,
    message: &str,
    session_id: Option<&str>,
    origin: TurnOrigin,
) -> Result<String, Error>

Process a single message while preserving the daemon/gateway’s live config source for tools that resolve security policy at execution time.