ALL IS WELL in 20260518 post optimization
                                                                                                                                                              
[post_opt_validation] 2026-05-18 gross=3.9954 limit=4.2000 (maxLeverage=4.00 tol=0.20)
[post_opt_validation] 2026-05-18 net=0.0444 bounds=[-0.1000,0.5000]
[post_opt_validation] 2026-05-18 turnover=0.3702 turnover_percent=9.27% limit=20.00%
[post_opt_validation] 2026-05-18 max|w|=0.0360 (no limit configured)
[post_opt_validation] PASSED all checks @ 2026-05-18.