ALL IS WELL in 20260203 post optimization
                                                                                                                                                              
[post_opt_validation] 2026-02-03 gross=3.9960 limit=4.2000 (maxLeverage=4.00 tol=0.20)
[post_opt_validation] 2026-02-03 net=0.0565 bounds=[-0.1000,0.5000]
[post_opt_validation] 2026-02-03 turnover=0.4472 turnover_percent=11.19% limit=20.00%
[post_opt_validation] 2026-02-03 max|w|=0.0360 (no limit configured)
[post_opt_validation] PASSED all checks @ 2026-02-03.