It would be nice to know if X and Z could be descriptive of the action, but I see you noted that in Discord. Perhaps a TODO comment could be added for that issue. Everything else looks good to me.

Just dumping this here so it doesn't get lost in time on discord.

From a walkthrough

PRISON CELL

Examine the stone wall on the right. Push the stone wall, then tap Z and X on your keyboard, repeatedly, as quickly as you can, building up a rhythm. > Keep doing this, and eventually, the wall will crumble. You both enter through the hole, into a Torture Room.

Video

https://youtu.be/_U6g9KB2uiM?t=181

Screenshot

So, since the keys are explicitly mentioned by the game, merging this as is