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

tests/CBDD.Tests/DocumentOverflowTests.cs

@@ -16,6 +16,9 @@ public class DocumentOverflowTests : IDisposable
     private readonly string _dbPath;
     private readonly Shared.TestDbContext _db;
 
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DocumentOverflowTests"/> class.
+    /// </summary>
     public DocumentOverflowTests()
     {
         _dbPath = Path.Combine(Path.GetTempPath(), $"test_overflow_{Guid.NewGuid()}.db");
@@ -23,12 +26,18 @@ public class DocumentOverflowTests : IDisposable
         _db = new Shared.TestDbContext(_dbPath);
     }
 
+    /// <summary>
+    /// Releases test resources.
+    /// </summary>
     public void Dispose()
     {
         _db.Dispose();
         if (File.Exists(_dbPath)) File.Delete(_dbPath);
     }
 
+    /// <summary>
+    /// Verifies inserting a medium-sized document succeeds.
+    /// </summary>
     [Fact]
     public void Insert_MediumDoc_64KB_ShouldSucceed()
     {
@@ -50,6 +59,9 @@ public class DocumentOverflowTests : IDisposable
         retrieved.Name.ShouldBe(largeString);
     }
 
+    /// <summary>
+    /// Verifies inserting a large document succeeds.
+    /// </summary>
     [Fact]
     public void Insert_LargeDoc_100KB_ShouldSucceed()
     {
@@ -70,6 +82,9 @@ public class DocumentOverflowTests : IDisposable
         retrieved.Name.ShouldBe(largeString);
     }
 
+    /// <summary>
+    /// Verifies inserting a very large document succeeds.
+    /// </summary>
     [Fact]
     public void Insert_HugeDoc_3MB_ShouldSucceed()
     {
@@ -93,6 +108,9 @@ public class DocumentOverflowTests : IDisposable
         retrieved.Name.Substring(retrieved.Name.Length - 100).ShouldBe(largeString.Substring(largeString.Length - 100));
     }
 
+    /// <summary>
+    /// Verifies updating from a small payload to a huge payload succeeds.
+    /// </summary>
     [Fact]
     public void Update_SmallToHuge_ShouldSucceed()
     {
@@ -114,6 +132,9 @@ public class DocumentOverflowTests : IDisposable
         retrieved.Name.Length.ShouldBe(hugeString.Length);
     }
 
+    /// <summary>
+    /// Verifies bulk inserts with mixed payload sizes succeed.
+    /// </summary>
     [Fact]
     public void InsertBulk_MixedSizes_ShouldSucceed()
     {
@@ -136,6 +157,9 @@ public class DocumentOverflowTests : IDisposable
         }
     }
 
+    /// <summary>
+    /// Verifies huge inserts succeed with compression enabled and small page configuration.
+    /// </summary>
     [Fact]
     public void Insert_HugeDoc_WithCompressionEnabledAndSmallPages_ShouldSucceed()
     {
@@ -172,6 +196,9 @@ public class DocumentOverflowTests : IDisposable
         }
     }
 
+    /// <summary>
+    /// Verifies updates from huge to small payloads succeed with compression enabled.
+    /// </summary>
     [Fact]
     public void Update_HugeToSmall_WithCompressionEnabled_ShouldSucceed()
     {