ALL IS WELL in 20260401 post optimization
                                                                                                                                                              
[post_opt_validation] 2026-04-01 gross=3.9959 limit=4.2000 (maxLeverage=4.00 tol=0.20)
[post_opt_validation] 2026-04-01 net=0.0993 bounds=[-0.1000,0.5000]
[post_opt_validation] 2026-04-01 turnover=0.3360 turnover_percent=8.41% limit=20.00%
[post_opt_validation] 2026-04-01 max|w|=0.0377 (no limit configured)
[post_opt_validation] PASSED all checks @ 2026-04-01.