ALL IS WELL in 20260216 post optimization
                                                                                                                                                              
[post_opt_validation] 2026-02-16 gross=3.9928 limit=4.2000 (maxLeverage=4.00 tol=0.20)
[post_opt_validation] 2026-02-16 net=0.0274 bounds=[-0.1000,0.5000]
[post_opt_validation] 2026-02-16 turnover=0.2629 turnover_percent=6.59% limit=20.00%
[post_opt_validation] 2026-02-16 max|w|=0.0335 (no limit configured)
[post_opt_validation] PASSED all checks @ 2026-02-16.