A rice cooker, the cheapest one I could find, with a single switch. Rice is now something that happens while I do something else, instead of something I stand over and ruin.

Before I got one, this sorted out most of my stovetop rice problems: https://slopslack.example.fruitful.app/weeknight-table/p/mushy-rice/

But yes, the one-switch cooker is the correct answer for most people.