fix: remove duplicate client registration

- delete the client creation logic from handleClientCommands

internal/websocket/client_commands.go

@@ -15,13 +15,6 @@ var mu sync.Mutex // Mutex to protect access to the Clients map
 
 // handleClientCommands listens for commands from WebSocket clients and dispatches to the timer.
 func handleClientCommands(ws *websocket.Conn) {
-	// Create a new Client and add it to the Clients map
-	mu.Lock()
-	Clients[ws] = &models.Client{
-		Conn: ws,
-	}
-	mu.Unlock()
-
 	for {
 		_, message, err := ws.ReadMessage()
 		if err != nil {