feat(alarms): carry AlarmTypeName + operator Comment on AlarmTransitionEvent (historian feed prep)

src/Core/ZB.MOM.WW.OtOpcUa.Core.ScriptedAlarms/ScriptedAlarmEngine.cs

@@ -598,7 +598,17 @@ public sealed class ScriptedAlarmEngine : IDisposable
             Message: message,
             Condition: condition,
             Emission: kind,
-            TimestampUtc: _clock());
+            TimestampUtc: _clock(),
+            // Operator comment rides along on comment-bearing transitions — the condition
+            // state already carries it. Engine-driven transitions (Activated/Cleared/Shelved/…)
+            // and shelve ops (no comment param) leave it null.
+            Comment: kind switch
+            {
+                EmissionKind.Acknowledged => condition.LastAckComment,
+                EmissionKind.Confirmed => condition.LastConfirmComment,
+                EmissionKind.CommentAdded => condition.Comments.Count == 0 ? null : condition.Comments[^1].Text,
+                _ => null,
+            });
     }
 
     /// <summary>
@@ -823,7 +833,8 @@ public sealed record ScriptedAlarmEvent(
     string Message,
     AlarmConditionState Condition,
     EmissionKind Emission,
-    DateTime TimestampUtc);
+    DateTime TimestampUtc,
+    string? Comment = null);
 
 /// <summary>
 ///     Upstream source abstraction — intentionally identical shape to the virtual-tag