FREE — USDC-only exit from the Bankroll Network vltUSDC vault via ZapHelper. Redeems shares, swaps VLT→WETH(V2)→USDC(V3), and delivers USDC only to recipient. 2 transactions. minUsdcOut encoded on-chain (2% slippage). Counterpart to vlt-usdc-deposit usdcOnly:true. No payment required.