ALL IS WELL in 20260423 post optimization
                                                                                                                                                              
[post_opt_validation] 2026-04-23 gross=3.9962 limit=4.2000 (maxLeverage=4.00 tol=0.20)
[post_opt_validation] 2026-04-23 net=0.0772 bounds=[-0.1000,0.5000]
[post_opt_validation] 2026-04-23 turnover=0.2687 turnover_percent=6.72% limit=20.00%
[post_opt_validation] 2026-04-23 max|w|=0.0373 (no limit configured)
[post_opt_validation] PASSED all checks @ 2026-04-23.