Replace with max-safety weights (start 1 of the 6-run frontier): mean 231.2, landings 99.67%, crashes 0.25% - 23x fewer crashes than the teacher

Replace with crash-averse weights: mean 239.5, landings 99.4%, crashes 0.57% (was 247.2 / 94.1% / 5.9%); update card

32-parameter linear LunarLander-v3 policy (mean 247.2, 60/60 seeds)