I remember I brought up a similar topic about a year ago. Something about an option to draw supplies directly from the chest when long resting instead of running back and forth the chest, as well as an option to auto-send supplies to camp. I dug up the link here:
https://forums.larian.com/ubbthreads.php?ubb=showflat&Number=796012&an=Supply management is one of the biggest inconveniences in this game, as well as one of the only things I genuinely dislike. It's in desperate need of streamlining. At this point I don't really care what exactly they do with supplies and storage as long as they do
something.