Refactor code structure and optimize performance across multiple modules

src/__Libraries/__Tests/StellaOps.Cryptography.Tests/DefaultCryptoProviderSigningTests.cs

@@ -7,11 +7,14 @@ using Microsoft.IdentityModel.Tokens;
 using StellaOps.Cryptography;
 using Xunit;
 
+
+using StellaOps.TestKit;
 namespace StellaOps.Cryptography.Tests;
 
 public class DefaultCryptoProviderSigningTests
 {
-    [Fact]
+    [Trait("Category", TestCategories.Unit)]
+        [Fact]
     public async Task UpsertSigningKey_AllowsSignAndVerifyEs256()
     {
         var provider = new DefaultCryptoProvider();
@@ -52,7 +55,8 @@ public class DefaultCryptoProviderSigningTests
         Assert.False(tamperedResult);
     }
 
-    [Fact]
+    [Trait("Category", TestCategories.Unit)]
+        [Fact]
     public void RemoveSigningKey_PreventsRetrieval()
     {
         var provider = new DefaultCryptoProvider();