namespace ScadaLink.Commons.Messages.Deployment;

/// <summary>
/// Central→site query for the currently-applied deployment state of a single
/// instance. Issued by the Deployment Manager before a re-deploy when a prior
/// deployment record is stuck <c>InProgress</c> or <c>Failed</c> due to a
/// timeout, so the site's actual state can be reconciled against the target
/// revision before re-sending a deployment ("Deployment Identity &amp; Idempotency").
/// </summary>
public record DeploymentStateQueryRequest(
    string CorrelationId,
    string InstanceUniqueName,
    DateTimeOffset Timestamp);