Once you’ve deployed an app and invoked it, you can check its status.
import { Kernel } from '@onkernel/sdk';

const {
    id,
    app_name,
    action_name,
    payload,
    output,
    started_at,
    finished_at,
    status,
    status_reason
} = await Kernel.invocations.get(invocation_id);
An invocation ends once its code execution finishes.