I am only a little bit bored, so here is a lovely script that makes a more noticeable buzzer sound when its your turn:
https://greasyfork.org/en/scripts/482906-game-start-notifier?locale_override=1It's probably suffering from the same issues that stop the WZ sound from playing, but I cba to try and break my browser for testing.
If anyone is using it, let me know if it works! 😅