ALL IS WELL in 20260519 post optimization
                                                                                                                                                              
[post_opt_validation] 2026-05-19 gross=3.9955 limit=4.2000 (maxLeverage=4.00 tol=0.20)
[post_opt_validation] 2026-05-19 net=0.0530 bounds=[-0.1000,0.5000]
[post_opt_validation] 2026-05-19 turnover=0.3282 turnover_percent=8.21% limit=20.00%
[post_opt_validation] 2026-05-19 max|w|=0.0357 (no limit configured)
[post_opt_validation] PASSED all checks @ 2026-05-19.