My cleaning crew would be earthworms and snails, but seeing as BP's don't make a lot of waste I don't see myself needing very much in the way of cleaning. I honestly see myself doing more rehoming baby snails than anything else... but I wanted snails anyway, so.

Earthworms have the reputation of turning a tiny viv area into mush. I've never seen anyone recommend snails for this application. Spring tails and pill bugs are the standard crew for this.

You will still need to clean some. I would get rid of any substancial waste piles, and turn under the surface that was under that.