chore: session-infra hardening — command-guard hook (pkill -f/force-push denied) + orphan-spec server-leak fix - #522
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…t failure no longer leaks the port into the retry Regression class: a dedicated-port server stopped only after its assertions leaks on test timeout, and the retry's bind failure then masks the real error. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_012im1JxQQV2ahnXzZDdVmZq
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August 29, 2026 20:10
…tory-rewrite are hook-denied (goal 0191) The two never-granted command families with real incidents behind them (a broad pkill killed the production mill-server; force-push is CLAUDE.md's standing never) move from prose to a deterministic deny: scripts/hook-command-guard.sh, same fail-open/exit-2 contract as hook-build-guard.sh. Patterns anchor to command-segment starts so a commit message MENTIONING these words never false-positives; a 16-case matrix (8 deny / 8 pass) was run against the script and caught two regex false negatives before wiring. amend/plain-rebase stay judgement (the rule's own 'without being explicitly asked' makes a hard deny wrong, and the pr-shepherd's instructed rebases are a legal flow). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_012im1JxQQV2ahnXzZDdVmZq
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Two session-infrastructure changes (goal 0191's evidence bar — hooks only for problems that actually occurred):
scripts/hook-command-guard.sh): the two never-granted command families move from prose to deterministic denies —pkill -f/killall(a broad pkill once killed the production mill-server LaunchAgent) andgit push --force[-with-lease]/-f+filter-branch/filter-repo(CLAUDE.md's standing never). Same fail-open/exit-2 contract ashook-build-guard.sh; patterns anchor to command-segment starts so commit messages mentioning the words never false-positive. A 16-case deny/pass matrix ran against the script and caught two regex false negatives before wiring.commit --amend/plaingit rebasedeliberately stay judgement (the rule's own 'without being explicitly asked', and the pr-shepherd's instructed rebases are a legal flow). Shopping trip done per the goal's adopt-first rule: community collections exist but ship generic rm-rf blockers, not this repo's policy — the deny mechanism itself is the officially documented PreToolUse contract the repo already carries.🤖 Generated with Claude Code
https://claude.ai/code/session_012im1JxQQV2ahnXzZDdVmZq