feat(commons): add deploy/admin/audit/redundancy/fleet message contracts

src/Core/ZB.MOM.WW.OtOpcUa.Commons/Messages/Deploy/DeploymentFailed.cs

@@ -0,0 +1,14 @@
+using ZB.MOM.WW.OtOpcUa.Commons.Types;
+
+namespace ZB.MOM.WW.OtOpcUa.Commons.Messages.Deploy;
+
+/// <summary>
+/// Coordinator-published event indicating that the deployment failed and was rolled back.
+/// Includes the set of nodes that NACKed or timed out so the admin UI can surface which
+/// node(s) are sticky on the prior good revision.
+/// </summary>
+public sealed record DeploymentFailed(
+    DeploymentId DeploymentId,
+    string FailureReason,
+    IReadOnlyList<NodeId> FailedNodes,
+    CorrelationId CorrelationId);