the prestige tree resets because you might want to buy other things early on, also my prestige system works by deleting the save file to set the stats back to what they were at the start, if i didnt do this with the prestige tree too, youd still have the stats from the prestige purchases when buying different ones
the farm run thing might be possible but the spawner is currently limited by floor number
adjustable sound is definitely coming as well as for bgm
the hearts on the headpats trigger more often than the ticks for healing, but the bounding box also moves when she does the wake up animation which can mess with it a little