ALL IS WELL in 20260206 post optimization
                                                                                                                                                              
[post_opt_validation] 2026-02-06 gross=3.9962 limit=4.2000 (maxLeverage=4.00 tol=0.20)
[post_opt_validation] 2026-02-06 net=0.0443 bounds=[-0.1000,0.5000]
[post_opt_validation] 2026-02-06 turnover=0.4517 turnover_percent=11.30% limit=20.00%
[post_opt_validation] 2026-02-06 max|w|=0.0365 (no limit configured)
[post_opt_validation] PASSED all checks @ 2026-02-06.