Fix audit findings for coverage, architecture checks, and XML docs

tests/CBDD.Tests/ArchitectureFitnessTests.cs

@@ -15,6 +15,9 @@ public class ArchitectureFitnessTests
     private const string SourceGeneratorsProject = "src/CBDD.SourceGenerators/ZB.MOM.WW.CBDD.SourceGenerators.csproj";
     private const string FacadeProject = "src/CBDD/ZB.MOM.WW.CBDD.csproj";
 
+    /// <summary>
+    /// Executes Solution_DependencyGraph_ShouldRemainAcyclic_AndFollowLayerDirection.
+    /// </summary>
     [Fact]
     public void Solution_DependencyGraph_ShouldRemainAcyclic_AndFollowLayerDirection()
     {
@@ -40,6 +43,9 @@ public class ArchitectureFitnessTests
             .ShouldBeFalse("Project references must remain acyclic.");
     }
 
+    /// <summary>
+    /// Executes HighLevelCollectionApi_ShouldNotExpandRawBsonReaderWriterSurface.
+    /// </summary>
     [Fact]
     public void HighLevelCollectionApi_ShouldNotExpandRawBsonReaderWriterSurface()
     {
@@ -65,6 +71,9 @@ public class ArchitectureFitnessTests
         dbContextOffenders.ShouldBeEmpty();
     }
 
+    /// <summary>
+    /// Executes CollectionAndIndexOrchestration_ShouldUseStoragePortInternally.
+    /// </summary>
     [Fact]
     public void CollectionAndIndexOrchestration_ShouldUseStoragePortInternally()
     {