During planning phase before the war, you can still add coalitions, change museum artefacts, etc. So they do not count in the war match computations, otherwise they would have been locked once a match is found…
it’s a pain in the butt removing and adding munitions every war so we are lighter in war. But now with strike, this means half the time people are attacking my base without munitions on ( they are taken off after I attack, until next war is found) so my base is way easier to 5 star. My solution...