Refactor code structure and optimize performance across multiple modules

src/Authority/StellaOps.Authority/StellaOps.Auth.Client.Tests/ServiceCollectionExtensionsTests.cs

@@ -20,7 +20,8 @@ namespace StellaOps.Auth.Client.Tests;
 
 public class ServiceCollectionExtensionsTests
 {
-    [Fact]
+    [Trait("Category", TestCategories.Unit)]
+        [Fact]
     public async Task AddStellaOpsAuthClient_ConfiguresRetryPolicy()
     {
         var services = new ServiceCollection();
@@ -75,7 +76,8 @@ public class ServiceCollectionExtensionsTests
         Assert.Contains(recordedHandlers, handler => handler.GetType().Name.Contains("PolicyHttpMessageHandler", StringComparison.Ordinal));
     }
 
-    [Fact]
+    [Trait("Category", TestCategories.Unit)]
+        [Fact]
     public void EnsureEgressAllowed_InvokesPolicyWhenAuthorityProvided()
     {
         var services = new ServiceCollection();
@@ -131,7 +133,8 @@ public class ServiceCollectionExtensionsTests
             => responder(request, cancellationToken);
     }
 
-    [Fact]
+    [Trait("Category", TestCategories.Unit)]
+        [Fact]
     public async Task AddStellaOpsApiAuthentication_AttachesPatAndTenantHeader()
     {
         var services = new ServiceCollection();
@@ -177,7 +180,8 @@ public class ServiceCollectionExtensionsTests
         Assert.Equal(0, tokenClient.RequestCount);
     }
 
-    [Fact]
+    [Trait("Category", TestCategories.Unit)]
+        [Fact]
     public async Task AddStellaOpsApiAuthentication_UsesClientCredentialsWithCaching()
     {
         var services = new ServiceCollection();
@@ -210,6 +214,7 @@ public class ServiceCollectionExtensionsTests
             });
 
         using var provider = services.BuildServiceProvider();
+using StellaOps.TestKit;
         var client = provider.GetRequiredService<IHttpClientFactory>().CreateClient("notify");
 
         await client.GetAsync("https://notify.example/api");