ALL IS WELL in 20260218 post optimization
                                                                                                                                                              
[post_opt_validation] 2026-02-18 gross=3.9935 limit=4.2000 (maxLeverage=4.00 tol=0.20)
[post_opt_validation] 2026-02-18 net=0.0091 bounds=[-0.1000,0.5000]
[post_opt_validation] 2026-02-18 turnover=0.2069 turnover_percent=5.18% limit=20.00%
[post_opt_validation] 2026-02-18 max|w|=0.0335 (no limit configured)
[post_opt_validation] PASSED all checks @ 2026-02-18.