use codex_protocol::protocol::AgentStatus;use codex_protocol::protocol::EventMsg;/// Derive the next agent status from a single emitted event./// Returns `None` when the event does not affect status tracking.pub(crate) fn agent_status_from_event(msg: &EventMsg) -> Option<AgentStatus> {    match msg {        EventMsg::TurnStarted(_) => Some(AgentStatus::Running),        EventMsg::TurnComplete(ev) => Some(AgentStatus::Completed(ev.last_agent_message.clone())),        EventMsg::TurnAborted(ev) => match ev.reason {            codex_protocol::protocol::TurnAbortReason::Interrupted            | codex_protocol::protocol::TurnAbortReason::BudgetLimited => {                Some(AgentStatus::Interrupted)            }            _ => Some(AgentStatus::Errored(format!("{:?}", ev.reason))),        },        EventMsg::Error(ev) => Some(AgentStatus::Errored(ev.message.clone())),        EventMsg::ShutdownComplete => Some(AgentStatus::Shutdown),        _ => None,    }}pub(crate) fn is_final(status: &AgentStatus) -> bool {    !matches!(        status,        AgentStatus::PendingInit | AgentStatus::Running | AgentStatus::Interrupted    )}