Add XML documentation across gateway, worker, and .NET client

src/MxGateway.Worker/Conversion/MxStatusProxyConverter.cs

@@ -6,8 +6,11 @@ using MxGateway.Contracts.Proto;
 
 namespace MxGateway.Worker.Conversion;
 
+/// <summary>Converts MXAccess MXSTATUS_PROXY COM objects to protobuf MxStatusProxy messages.</summary>
 public sealed class MxStatusProxyConverter
 {
+    /// <summary>Converts a single status object to a protobuf message, reflecting all fields and diagnostics.</summary>
+    /// <param name="status">COM status object to convert.</param>
     public MxStatusProxy Convert(object status)
     {
         if (status is null)
@@ -33,6 +36,8 @@ public sealed class MxStatusProxyConverter
         };
     }
 
+    /// <summary>Converts an array of status objects, handling nulls gracefully.</summary>
+    /// <param name="statuses">Array of COM status objects; null returns empty list.</param>
     public IReadOnlyList<MxStatusProxy> ConvertMany(Array? statuses)
     {
         if (statuses is null)
@@ -60,6 +65,8 @@ public sealed class MxStatusProxyConverter
         return converted;
     }
 
+    /// <summary>Preserves completion-only status bytes as a diagnostic hex string since they cannot be unpacked.</summary>
+    /// <param name="statusBytes">Status bytes to encode as hex string.</param>
     public string PreserveCompletionOnlyStatusBytes(byte[] statusBytes)
     {
         if (statusBytes is null)