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

tests/CBDD.Tests.Benchmark/MixedWorkloadBenchmarks.cs

@@ -16,9 +16,15 @@ namespace ZB.MOM.WW.CBDD.Tests.Benchmark;
 [JsonExporterAttribute.Full]
 public class MixedWorkloadBenchmarks
 {
+    /// <summary>
+    /// Gets or sets whether periodic online compaction is enabled.
+    /// </summary>
     [Params(false, true)]
     public bool PeriodicCompaction { get; set; }
 
+    /// <summary>
+    /// Gets or sets the number of operations per benchmark iteration.
+    /// </summary>
     [Params(800)]
     public int Operations { get; set; }
 
@@ -30,6 +36,9 @@ public class MixedWorkloadBenchmarks
     private readonly List<ObjectId> _activeIds = [];
     private int _nextValueSeed;
 
+    /// <summary>
+    /// Prepares benchmark storage and seed data for each iteration.
+    /// </summary>
     [IterationSetup]
     public void Setup()
     {
@@ -61,6 +70,9 @@ public class MixedWorkloadBenchmarks
         _transactionHolder.CommitAndReset();
     }
 
+    /// <summary>
+    /// Cleans up benchmark resources for each iteration.
+    /// </summary>
     [IterationCleanup]
     public void Cleanup()
     {
@@ -71,6 +83,9 @@ public class MixedWorkloadBenchmarks
         if (File.Exists(_walPath)) File.Delete(_walPath);
     }
 
+    /// <summary>
+    /// Benchmarks a mixed insert/update/delete workload.
+    /// </summary>
     [Benchmark(Baseline = true)]
     [BenchmarkCategory("MixedWorkload")]
     public int InsertUpdateDeleteMix()