Added:

- Chat message cleaning to prevent HTML injection
- Player hand size to game state
- Deck automatically creates sets when it doesnt have any cards left

Room/Room.cs

@@ -1,5 +1,6 @@
 using System.Net.WebSockets;
 using System.Text.Json;
+using System.Text.RegularExpressions;
 using MauMau_Server.Mau;
 
 namespace MauMau_Server.Websockets;
@@ -45,7 +46,12 @@ public class Room
                 }
                 case "CHAT":
                 {
-                    _chat.SendChatMessage(connection, message.Payload);
+                    var cleanedMessage = StripHTML(message.Payload);
+                    if (string.IsNullOrWhiteSpace(cleanedMessage))
+                    {
+                        cleanedMessage = "Mau!";
+                    };
+                    _chat.SendChatMessage(connection, cleanedMessage);
                     break;
                 }
             }
@@ -103,4 +109,9 @@ public class Room
     {
         return _connections.Count == 0;
     }
+    
+    private static string StripHTML(string input)
+    {
+        return Regex.Replace(input, "<.*?>", String.Empty);
+    }
 }