Refactored everything into modules.

public/js/socket-client.js

@@ -2,7 +2,7 @@
  * Socket Client Module
  * Manages WebSocket communication with the game server.
  */
-class SocketClient {
+export class SocketClient {
   constructor(serverUrl) {
     this.socket = null;
     this.serverUrl = serverUrl || window.location.origin; // Default to current origin
@@ -174,6 +174,3 @@ class SocketClient {
     this.emit('loadGame');
   }
 }
-
-// Export the class if using modules
-// export default SocketClient;