Refactor code structure and optimize performance across multiple modules

src/__Libraries/StellaOps.Resolver.Tests/DeterministicResolverTests.cs

@@ -7,6 +7,7 @@
 using System.Text.Json;
 using Xunit;
 
+using StellaOps.TestKit;
 namespace StellaOps.Resolver.Tests;
 
 public class DeterministicResolverTests
@@ -15,7 +16,8 @@ public class DeterministicResolverTests
     private readonly IGraphOrderer _orderer = new TopologicalGraphOrderer();
     private readonly ITrustLatticeEvaluator _evaluator = new DefaultTrustLatticeEvaluator();
 
-    [Fact]
+    [Trait("Category", TestCategories.Unit)]
+        [Fact]
     public void Run_SameInputTwice_IdenticalFinalDigest()
     {
         // RESOLVER-9100-020: Replay test
@@ -31,7 +33,8 @@ public class DeterministicResolverTests
         Assert.Equal(result1.TraversalSequence.Length, result2.TraversalSequence.Length);
     }
 
-    [Fact]
+    [Trait("Category", TestCategories.Unit)]
+        [Fact]
     public void Run_ShuffledNodesAndEdges_IdenticalFinalDigest()
     {
         // RESOLVER-9100-021: Permutation test
@@ -60,7 +63,8 @@ public class DeterministicResolverTests
         Assert.Equal(result1.FinalDigest, result2.FinalDigest);
     }
 
-    [Fact]
+    [Trait("Category", TestCategories.Unit)]
+        [Fact]
     public void Run_IsIdempotent()
     {
         // RESOLVER-9100-022: Idempotency property test
@@ -76,7 +80,8 @@ public class DeterministicResolverTests
         Assert.Equal(result2.FinalDigest, result3.FinalDigest);
     }
 
-    [Fact]
+    [Trait("Category", TestCategories.Unit)]
+        [Fact]
     public void Run_TraversalSequence_MatchesTopologicalOrder()
     {
         // RESOLVER-9100-023: Traversal order test
@@ -106,7 +111,8 @@ public class DeterministicResolverTests
             "Root should appear before at least one child in traversal");
     }
 
-    [Fact]
+    [Trait("Category", TestCategories.Unit)]
+        [Fact]
     public void ResolutionResult_CanonicalJsonStructure()
     {
         // RESOLVER-9100-024: Snapshot test for canonical JSON