Item availability on fulfillment form

Good afternoon,

My organization has ignore commit status set globally, meaning that shipping can pick an item for an order regardless of whether that item is committed to that specific order or not. This makes things a bit smoother for us, but makes the number of items committed on a sales order or fulfillment record ireleavent. On the sales order I can add the sublist field "available" which takes quantity on and minus commited and gets me the result. I'd like to add that field to the fulfillment form as well, this way shipping knows if they have enough product to