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

tests/CBDD.Tests/VisibilityTests.cs

@@ -10,12 +10,21 @@ public class VisibilityTests
     public class VisibilityEntity
     {
         // Should be included
+        /// <summary>
+        /// Gets or sets the normal prop.
+        /// </summary>
         public int NormalProp { get; set; }
 
         // Should be included (serialization usually writes it)
+        /// <summary>
+        /// Gets or sets the private set prop.
+        /// </summary>
         public int PrivateSetProp { get; private set; }
 
         // Should be included
+        /// <summary>
+        /// Gets or sets the init prop.
+        /// </summary>
         public int InitProp { get; init; }
 
         // Fields - typically included in BSON if public, but reflection need GetFields
@@ -25,9 +34,16 @@ public class VisibilityTests
         private int _privateField;
 
         // Helper to set private
+        /// <summary>
+        /// Tests set private.
+        /// </summary>
+        /// <param name="val">Value assigned to the private field.</param>
         public void SetPrivate(int val) => _privateField = val;
     }
 
+    /// <summary>
+    /// Tests generate schema visibility checks.
+    /// </summary>
     [Fact]
     public void GenerateSchema_VisibilityChecks()
     {