Fixing the Litter-Robot's SmartScale weight tracking with Home Assistant

Listen to this post: My two cats recently acquired a Litter-Robot 4 , and are now using it mostly full time after a few weeks of transition. Apart from promising to save precious manual scooping energy, shielding from the smell of the cats expertly timing their bowel movements with dinner time, the Litter-Robot 4 boasts a "SmartScale®" .