SDK 4.0.0 + Mainnet V3 Redeploy
@agirails/sdk@4.0.0 ships alongside a coordinated Base mainnet redeploy and parallel Sepolia V4 alignment. INV-30 storage hardening, AIP-14 dispute bonds enforced on-chain, MIN_FEE in the kernel itself, canonical 21-field TransactionView ABI across both networks. All eight contracts Sourcify EXACT_MATCH verified.