ALL IS WELL in 20260128 post optimization
                                                                                                                                                              
[post_opt_validation] 2026-01-28 gross=3.9968 limit=4.2000 (maxLeverage=4.00 tol=0.20)
[post_opt_validation] 2026-01-28 net=0.0221 bounds=[-0.1000,0.5000]
[post_opt_validation] 2026-01-28 turnover=0.3974 turnover_percent=9.94% limit=20.00%
[post_opt_validation] 2026-01-28 max|w|=0.0357 (no limit configured)
[post_opt_validation] PASSED all checks @ 2026-01-28.