fix(cluster): gossiped-role predicates compare case-insensitively — a miscased peer no longer un-elects the Primary

src/Server/ZB.MOM.WW.OtOpcUa.Runtime/ScriptedAlarms/ScriptedAlarmHostActor.cs

@@ -1,6 +1,7 @@
 using Akka.Actor;
 using Akka.Cluster.Tools.PublishSubscribe;
 using Akka.Event;
+using ZB.MOM.WW.OtOpcUa.Cluster;
 using ZB.MOM.WW.OtOpcUa.Commons.Messages.Alerts;
 using ZB.MOM.WW.OtOpcUa.Commons.Messages.Redundancy;
 using ZB.MOM.WW.OtOpcUa.Commons.Observability;
@@ -516,8 +517,11 @@ public sealed class ScriptedAlarmHostActor : ReceiveActor
         if (_driverMemberCountProvider is not null) return _driverMemberCountProvider();
         try
         {
+            // R3-04 (01/C-9): GossipedRolesHave, not ordinal Contains — a peer gossiping a miscased
+            // 'Driver' (rolling-upgrade window) must still count toward the alerts-emit gate.
             return Akka.Cluster.Cluster.Get(Context.System).State.Members
-                .Count(m => m.Status == Akka.Cluster.MemberStatus.Up && m.Roles.Contains(ServiceCollectionExtensions.DriverRole));
+                .Count(m => m.Status == Akka.Cluster.MemberStatus.Up
+                    && RoleParser.GossipedRolesHave(m.Roles, ServiceCollectionExtensions.DriverRole));
         }
         catch (Exception)
         {