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901995,3,0.0],[901996,4,0.0],[901997,1,0.265177],[901998,4,0.0],[901999,4,0.0]],"worst_seeds":[{"seed":901696,"s":1,"d":-95.8360754382,"candidate_edge":209.4097367627,"comparator_edge":305.2458122009},{"seed":901640,"s":1,"d":-39.10583670360003,"candidate_edge":223.8552089486,"comparator_edge":262.9610456522},{"seed":901547,"s":1,"d":-23.468172795200005,"candidate_edge":56.2242029487,"comparator_edge":79.6923757439},{"seed":901625,"s":1,"d":-8.178556338099952,"candidate_edge":516.9072777077,"comparator_edge":525.0858340458},{"seed":901925,"s":1,"d":-3.9919408118000064,"candidate_edge":32.4251814926,"comparator_edge":36.4171223044},{"seed":901601,"s":1,"d":-3.2907129630999634,"candidate_edge":581.0410908732,"comparator_edge":584.3318038363},{"seed":901521,"s":1,"d":-3.106456810499992,"candidate_edge":240.4333637128,"comparator_edge":243.5398205233},{"seed":901820,"s":1,"d":-2.3309515598999937,"candidate_edge":60.9942151357,"comparator_edge":63.3251666956},{"seed":901899,"s":1,"d":-2.199275957300003,"candidate_edge":-123.496954421,"comparator_edge":-121.2976784637},{"seed":901598,"s":1,"d":-2.102423447199996,"candidate_edge":83.1015778326,"comparator_edge":85.2040012798}],"off_target_zero":true,"notes":"All four supplied hashes verified before simulation. Unmodified simulator b244530ee2a6247b5f930830eeca9dd950da0e7e; default config, 2000 steps, serial, 50-seed chunks. Spread observed from first competitor quotes via a delegating observer. Statistics use unrounded engine edges; retail_diff and arb_diff are paired means. Timings measure engine.run wall time, excluding config/loading. No tuning or promotion decision; this is the assigned 500-seed finalist shard."}