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

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

@@ -0,0 +1,15 @@
+using ZB.MOM.WW.OtOpcUa.Commons.Types;
+
+namespace ZB.MOM.WW.OtOpcUa.Commons.Messages.Deploy;
+
+public enum ApplyAckOutcome { Applied, Failed }
+
+/// <summary>
+/// Per-node acknowledgment returned by <c>DriverHostActor</c> to the dispatching coordinator.
+/// </summary>
+public sealed record ApplyAck(
+    DeploymentId DeploymentId,
+    NodeId NodeId,
+    ApplyAckOutcome Outcome,
+    string? FailureReason,
+    CorrelationId CorrelationId);