when you export the pdt will be very usefull to track the usage of the spells slots if you can add square nest to the spell slots instead of just put the number
Now you have:
"Arcanist Spells Prepared
Spell slots per day - 1st = 6, 2nd = 4, 3rd = 0, 4th = 0, 5th = 0, 6th = 0, 7th = 0, 8th = 0, 9th = 0 "
So change this for something like:
Spell slots per day