ALL IS WELL in 20260123 post optimization
                                                                                                                                                              
[post_opt_validation] 2026-01-23 gross=3.9971 limit=4.2000 (maxLeverage=4.00 tol=0.20)
[post_opt_validation] 2026-01-23 net=0.0219 bounds=[-0.1000,0.5000]
[post_opt_validation] 2026-01-23 turnover=0.3433 turnover_percent=8.59% limit=20.00%
[post_opt_validation] 2026-01-23 max|w|=0.0355 (no limit configured)
[post_opt_validation] PASSED all checks @ 2026-01-23.