Here’s your best source for a complete list of valid commands: https://github.com/dfabulich/choicescript/blob/e9e8e65d834525b20470817052e22fef5e5029cf/web/scene.js#L4392
Sadly there are no descriptions, but if they’re not also listed on the wiki, then they’re probably not hugely relevant to the average CS Dev (e.g. *restore_purchases, *check_registration).