ALL IS WELL in 20260220 post optimization
                                                                                                                                                              
[post_opt_validation] 2026-02-20 gross=3.9933 limit=4.2000 (maxLeverage=4.00 tol=0.20)
[post_opt_validation] 2026-02-20 net=-0.0011 bounds=[-0.1000,0.5000]
[post_opt_validation] 2026-02-20 turnover=0.1847 turnover_percent=4.62% limit=20.00%
[post_opt_validation] 2026-02-20 max|w|=0.0335 (no limit configured)
[post_opt_validation] PASSED all checks @ 2026-02-20.