Darth Canoli
Arcane
If I were going to make an auto-resolve, what I'd do is make it so you click it, it looks over what you're up against and how you previously performed in similar situations, and tells you what your expected results are, and then you click okay or not depending on whether you think this assessment is accurate. The autoresolve will thus actually learn from you and model your results.
Funny but this exact idea comes up each time i play a tactical with heavy combat, it's so obvious and yet, nobody implemented this kind of system as far as i know.