I know it's stupid but when I slightly upgraded my top battleship in the present game, the designer redesignated it from Capital to Support. I noticed with the first upgrade but not the second and ended up with a pile of "Support ships" with serious beam attack (34) and decent defence.
The problem with this is that if I inadvertently use one of these to defend an unarmed transport then the transport and the legions of brave aliens on board get crunched which is at least mildly irritating.
Rather than the serious job of recoding the designer, I wonder if Stardock could just add a dialogue box when a (serious) warship gets assigned as support something like: "Your ship is bristling with weaponry. Are you sure you intend it as a support vessel? y/n."