Multi Client Support - Needs Update Post Socket to support Multiple "Clients" not in a single Bus.

RelayClient/ChatSimulator.cs

@@ -0,0 +1,25 @@
+namespace RelayClient;
+
+public static class ChatSimulator
+{
+    public static event Action<ChatMessage>? MessageSent;
+
+    public static void Send(string senderUsername, string text)
+    {
+        var message = new ChatMessage
+        {
+            SenderUsername = senderUsername,
+            Text = text,
+            Timestamp = DateTime.Now
+        };
+
+        MessageSent?.Invoke(message);
+    }
+}
+
+public sealed class ChatMessage
+{
+    public required string SenderUsername { get; set; }
+    public required string Text { get; set; }
+    public required DateTime Timestamp { get; set; }
+}