feat(historian): honor per-alarm HistorizeToAveva opt-out at the durable write

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

@@ -608,7 +608,11 @@ public sealed class ScriptedAlarmEngine : IDisposable
                 EmissionKind.Confirmed => condition.LastConfirmComment,
                 EmissionKind.CommentAdded => condition.Comments.Count == 0 ? null : condition.Comments[^1].Text,
                 _ => null,
-            });
+            },
+            // Carry the per-alarm durable-historization opt-out through to subscribers. The historian
+            // adapter honors it to suppress ONLY the durable sink write; the live alerts fan-out is
+            // unaffected (it is not gated on this flag).
+            HistorizeToAveva: state.Definition.HistorizeToAveva);
     }
 
     /// <summary>
@@ -834,7 +838,8 @@ public sealed record ScriptedAlarmEvent(
     AlarmConditionState Condition,
     EmissionKind Emission,
     DateTime TimestampUtc,
-    string? Comment = null);
+    string? Comment = null,
+    bool HistorizeToAveva = true);
 
 /// <summary>
 ///     Upstream source abstraction — intentionally identical shape to the virtual-tag