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

src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/Fleet.razor

@@ -6,6 +6,7 @@
 @attribute [Authorize(Policy = AdminUiPolicies.AuthenticatedRead)]
 @rendermode RenderMode.InteractiveServer
 @using Microsoft.EntityFrameworkCore
+@using ZB.MOM.WW.OtOpcUa.Cluster
 @using ZB.MOM.WW.OtOpcUa.Commons.Interfaces
 @using ZB.MOM.WW.OtOpcUa.Configuration
 @using ZB.MOM.WW.OtOpcUa.Configuration.Entities
@@ -146,7 +147,7 @@ else
 
             // Union with current Akka driver members so a freshly-joined node that has no
             // NodeDeploymentState row yet still appears as "waiting".
-            var akkaDrivers = Cluster.MembersWithRole("driver")
+            var akkaDrivers = Cluster.MembersWithRole(RoleParser.Driver)
                 .Select(n => n.Value).ToHashSet(StringComparer.OrdinalIgnoreCase);
             var allNodes = byNode.Keys.Union(akkaDrivers, StringComparer.OrdinalIgnoreCase)
                 .OrderBy(s => s, StringComparer.OrdinalIgnoreCase).ToList();
@@ -156,7 +157,7 @@ else
                 byNode.TryGetValue(nodeId, out var state);
                 return new NodeRow(
                     NodeId: nodeId,
-                    Roles: akkaDrivers.Contains(nodeId) ? new[] { "driver" } : Array.Empty<string>(),
+                    Roles: akkaDrivers.Contains(nodeId) ? new[] { RoleParser.Driver } : Array.Empty<string>(),
                     Status: state?.Status,
                     StartedAtUtc: state?.StartedAtUtc,
                     AppliedAtUtc: state?.AppliedAtUtc,