ALL IS WELL in 20260409 post optimization
                                                                                                                                                              
[post_opt_validation] 2026-04-09 gross=3.9948 limit=4.2000 (maxLeverage=4.00 tol=0.20)
[post_opt_validation] 2026-04-09 net=0.0929 bounds=[-0.1000,0.5000]
[post_opt_validation] 2026-04-09 turnover=0.2437 turnover_percent=6.10% limit=20.00%
[post_opt_validation] 2026-04-09 max|w|=0.0374 (no limit configured)
[post_opt_validation] PASSED all checks @ 2026-04-09.