It would be nice if destroyed built items have a grace period, in which the "blueprint" or shadow of the item on its unbuilt stage is left after something is destroyed, be it during an invasion or some random bug attack. i say this because sometimes there is massive destruction (looking at the queen ****roach body slam) and it gets hard to remember what was actually in that place, to compensate there can be loss of construction materials of the destroyed item (just saying, not sure if there is a