Security audit playbook for Hedera EVM contracts — Slither and Mythril wiring, HIP-1195 hook/allowance abuse checks, HTS precompile reentrancy review, manual checklist distinct from vanilla Ethereum, structured findings report with CVSS scoring guidance for DLT quirks. Use when user mentions audit Hedera contract, Slither Hedera, Mythril, HIP-1195, HTS reentrancy, bug bounty prep Hedera.