A Von Neumann encounter at Gallandro on turn 54 gave the workload the finding
said did not exist. Auto-resolved, with P10 committed before the click.
P10 predicted a non-zero tail cost and was wrong: res_no_battle flipped to 0
for the first time in 55 turns, the fleet was destroyed, and the generator
moved by zero. The bracket residual stayed 0, so combat proper drew nothing
either -- all 22 words were inside ProcessTurn, exactly as on a peaceful turn.
That is the strong form of lane J's static reading, and it means a
reimplementation can model a turn's RNG while modelling nothing about combat.
One auto-resolved encounter against an NPC is not combat in general, and 10.2
says so at length.