group               model steps  flagged   share
APS                        1275      276   21.6%
CHA fun1                     47        8   17.0%
CHA flat fun3-6            1251      670   53.6%
CHA fun7                      0        0    0.0%
CHA other                   174       63   36.2%

F1 flat > APS and flat > fun1: 53.6% vs 21.6% / 17.0%  ->  PASS
bar: m>=2 fires 0.2% canonical / 5.8% flat