for n.2, I think it is all hardcoded... And guard rep was added in the mod, these are things we know nothing off... unless someone here has some modding knowledge like Igiss
for n.3, a BS there won't do anything since you'll be entering the area in cruise or you will quick dock... and bases cannot shoot CD, putting a npc BS there is not worth it too, since all our navy captain are suicidal lately.