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

clients/dotnet/MxGateway.Client.Cli/MxGatewayClientCli.cs

@@ -7,6 +7,7 @@ using MxGateway.Contracts.Proto.Galaxy;
 
 namespace MxGateway.Client.Cli;
 
+/// <summary>Command-line interface for the MXAccess Gateway client, supporting session and command operations.</summary>
 public static class MxGatewayClientCli
 {
     private const uint MaxAggregateEvents = 10_000;
@@ -15,6 +16,10 @@ public static class MxGatewayClientCli
 
     private static readonly JsonSerializerOptions JsonOptions = new(JsonSerializerDefaults.Web);
 
+    /// <summary>Runs the CLI synchronously with the given arguments, writing output and errors.</summary>
+    /// <param name="args">Command-line arguments (command name followed by options).</param>
+    /// <param name="standardOutput">TextWriter for command output.</param>
+    /// <param name="standardError">TextWriter for error messages.</param>
     public static int Run(
         string[] args,
         TextWriter standardOutput,
@@ -25,6 +30,11 @@ public static class MxGatewayClientCli
             .GetResult();
     }
 
+    /// <summary>Runs the CLI asynchronously with the given arguments, writing output and errors.</summary>
+    /// <param name="args">Command-line arguments (command name followed by options).</param>
+    /// <param name="standardOutput">TextWriter for command output.</param>
+    /// <param name="standardError">TextWriter for error messages.</param>
+    /// <param name="clientFactory">Optional factory to create the gateway client; defaults to MxGatewayClient.Create.</param>
     public static Task<int> RunAsync(
         string[] args,
         TextWriter standardOutput,