MC 101642 — Tier A Orphan Hooks Wiring MC 101642 — Tier A Orphan Hooks Wiring This page documents the Tier A orphan hooks wired into ~/.claude/settings.json under PreToolUse:Bash for MC #101642. Tier A hook names evidence-contract-validator.sh git-author-guard.sh mc-ready-gate.sh pre-publish-claims-gate.sh zakon-30-direct-probe-gate.sh Purpose evidence-contract-validator.sh validates verdict JSON evidence contracts before H-task readiness. git-author-guard.sh prevents unsafe/incorrect git author operations. mc-ready-gate.sh blocks direct H/BLOCKER mc.js ready bypass and requires wrapper evidence. pre-publish-claims-gate.sh checks claim publishing before outward-facing completion claims. zakon-30-direct-probe-gate.sh requires direct machine-probe evidence for H/BLOCKER readiness. Validation evidence Evidence packet: /tmp/101642-evidence/ /tmp/101642-evidence/verdict.json /tmp/101642-evidence/report.md /tmp/bash-output-101642-direct-probe.txt Review blocker fixed: the Hooks Reference BookStack surface now includes the Tier A marker and all five hook names.