ALL IS WELL in 20260209 post optimization
                                                                                                                                                              
[post_opt_validation] 2026-02-09 gross=3.9960 limit=4.2000 (maxLeverage=4.00 tol=0.20)
[post_opt_validation] 2026-02-09 net=0.0434 bounds=[-0.1000,0.5000]
[post_opt_validation] 2026-02-09 turnover=0.3698 turnover_percent=9.25% limit=20.00%
[post_opt_validation] 2026-02-09 max|w|=0.0366 (no limit configured)
[post_opt_validation] PASSED all checks @ 2026-02-09.