Have you tried buddying up?

I find that my ADHD gets less in the way when there's someone "observing" me while I do the task, leading me to much less random trailing off. They don't actually have to do anything but be present or maybe talk to you.

I do some of my best cleanings when my mum calls. Guaranteed hour long chat where I can be actually productive because even though it's just a voice call, I feel judged enough to start doing something about it.