ALL IS WELL in 20260115 post optimization
                                                                                                                                                              
[post_opt_validation] 2026-01-15 gross=3.9964 limit=4.2000 (maxLeverage=4.00 tol=0.20)
[post_opt_validation] 2026-01-15 net=0.0359 bounds=[-0.1000,0.5000]
[post_opt_validation] 2026-01-15 turnover=0.3349 turnover_percent=8.38% limit=20.00%
[post_opt_validation] 2026-01-15 max|w|=0.0368 (no limit configured)
[post_opt_validation] PASSED all checks @ 2026-01-15.