fix(adminui): case-insensitive resilience policy keys + malformed-json test (review)

src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Shared/Drivers/ResilienceFormModel.cs

@@ -20,7 +20,7 @@ public sealed class ResilienceFormModel
 
     // capability name -> (timeout, retry, breaker), each nullable.
     public Dictionary<string, CapabilityRow> Policies { get; set; } =
-        Capabilities.ToDictionary(c => c, _ => new CapabilityRow());
+        Capabilities.ToDictionary(c => c, _ => new CapabilityRow(), StringComparer.OrdinalIgnoreCase);
 
     public sealed class CapabilityRow
     {

tests/Server/ZB.MOM.WW.OtOpcUa.AdminUI.Tests/ResilienceFormModelTests.cs

@@ -26,6 +26,14 @@ public class ResilienceFormModelTests
         back.Policies["Write"].IsEmpty.ShouldBeTrue();
     }
 
+    [Fact]
+    public void Malformed_json_yields_empty_model()
+    {
+        var m = ResilienceFormModel.FromJson("{ not valid json");
+        m.BulkheadMaxConcurrent.ShouldBeNull();
+        m.Policies["Read"].IsEmpty.ShouldBeTrue();
+    }
+
     [Fact]
     public void Emitted_json_is_consumable_by_the_runtime_parser()
     {