Yes, repot. I use the paph mix from orchid from repotme (seems fine for my Roth, but other paphs probably would prefer old formulation).
Why not get a supplemental spot-light? (I’m fortunate to have south facing windows at home).
Thanks and happy new year. Have you heard anything about the new chameleons in madagascar (Scientists have rediscovered a chameleon in Madagascar last seen 100 years ago Are relatives of these already in the herp trade?