As it says on the dusk page, the ai was built from the ground up with autonomous control in mind, the job of dusk is to control things which is why its also featured in some horizon vehicles such as the URSA, they just don't sell the full version of the ai to stop people stealing it.
As for the weapon i did have a feeling that would be the case, I'll remove it and see about perhaps using a different weapon with a dr closer to what i wanted so no biggie there
As for armour I'll admit i forgot about the whole materials thing, in my mind i think it was just going to be a basic metal frame, probably iron or steel electromagnetically charged, and for the dr rating i was just basing that on the fact that t3 is just heavy body armour so t4 could be achieved by having some thick metal shell. And given that every other weapon being used in space is equal or higher its hardly invincible in a combat scenario, if common metals wouldn't be able to achieve this though i can drop it back as requested.