It's actually looking good! Just leave the messy part, don't look at it. It'll sort of heal, and in a month or two you can see if it'll peel off.
The tiny roots are feeder roots.Sometimes if I want the caudex to get bigger, I give the tiny roots a 1/2 inch layer of peat. It drys quickly enough to not cause rot.
A project plant! No pain, you know what. Don't over water, but do feed with something balanced. (Even numbers.)
OK, keep up the good work.