Add XML docs

RemoteExec.Client/ServerConnection.cs

@@ -6,11 +6,33 @@ using System.Threading.Channels;
 
 namespace RemoteExec.Client;
 
+/// <summary>
+/// Represents a connection to a remote execution server, including communication channels and metrics.
+/// </summary>
 public class ServerConnection(HubConnection connection, HttpClient httpClient)
 {
+    /// <summary>
+    /// Gets the SignalR hub connection to the server.
+    /// </summary>
     public HubConnection Connection { get; } = connection;
+
+    /// <summary>
+    /// Gets the HTTP client for REST API communication with the server.
+    /// </summary>
     public HttpClient HttpClient { get; } = httpClient;
+
+    /// <summary>
+    /// Gets the channel used to queue tasks for this server.
+    /// </summary>
     public Channel<TaskItem> TaskChannel { get; } = Channel.CreateUnbounded<TaskItem>();
+
+    /// <summary>
+    /// Gets or sets the current metrics for this server.
+    /// </summary>
     public ServerMetrics? Metrics { get; set; }
+
+    /// <summary>
+    /// Gets or sets the handler for connection closed events.
+    /// </summary>
     public Func<Exception?, Task>? ClosedEventHandler { get; set; }
 }