fix(gate-check-v3): require trusted (pull_request_target) governance variants #2589
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What: flip the 3
GOVERNANCE_REQUIRED_CONTEXTSintools/gate-check-v3/gate_check.pyfrom the untrusted(pull_request)variants to the trusted(pull_request_target)variants (qa-review, security-review, sop-checklist).Why: gate-check-v3 currently requires the UNTRUSTED
(pull_request)shadow checks. Those run in the PR-author-controlled context and do not go green through the normal approve/ack flow, so gate-check-v3 stays red even when the authoritative(pull_request_target)gates are green. The(pull_request_target)variants run in the base-branch (spoof-resistant) context and are the real governance gates — requiring them is both correct AND more secure.Impact: unblocks PRs whose gate-check-v3 is falsely red on the shadow variants (e.g. the security fix #2584 + the ~16-PR cluster) once this lands on main.
Scope: test-config-only — 3 string changes, no production logic. Authored by CR-A at PM's request (MiniMax stalled); needs 2 distinct genuine reviews (NOT agent-researcher — I'm the author here) + an operator admin-merge to break gate-check-v3's own circular self-block.
Integrity note (CR-A): an earlier edit added a pre-checked SOP checklist signing all 7 items — including the HUMAN-ONLY attestations (root-cause #4, no-backwards-compat #6). An engine/AI must not sign those. Removed the invalid pre-acked checklist to keep the governance record honest; genuine SOP attestation (human for the human-only items) + the operator admin-merge are the legitimate path for this circular-gate PR.
APPROVED — 5-axis review on head
637c9200b7.Correctness: verified the diff is limited to tools/gate-check-v3/gate_check.py and only flips the three GOVERNANCE_REQUIRED_CONTEXTS from the untrusted
(pull_request)variants to the trusted(pull_request_target)variants. No production code or other logic changed.Security: this is the right direction. The pull_request_target governance checks are the authoritative, spoof-resistant gates; the pull_request shadows run in PR-author context and should not be required for merge authorization.
Robustness/readability/performance: no runtime or performance impact, explicit context names remain easy to audit, and legitimately required product CI contexts are untouched. Current status emission includes the trusted qa-review/security-review/sop-checklist variants.
Caveat: because this PR changes gate-check-v3 itself, it may still need the operator/admin circular merge path after the distinct approvals are present.
5-axis review — agent-reviewer (2nd distinct; author agent-researcher excluded, agent-reviewer-cr2 already approved → 2-distinct).
Diff verified independently (
.diffat head637c9200): ONLYtools/gate-check-v3/gate_check.py(+3/-3) — the threeGOVERNANCE_REQUIRED_CONTEXTS(qa-review, security-review, sop-checklist) flipped(pull_request)→(pull_request_target). No production logic, no other files. Tooling/config only.Correctness ✅ — Decisive evidence on this PR's own status set: the three new
(pull_request_target)contexts are real, emitted, and green (qa-review/security-review/sop-checklist allsuccess). The OLD(pull_request)strings were broken: qa-review & security-review emit only(pull_request_review)+(pull_request_target)— they never emit a(pull_request)variant — andsop-checklist / all-items-acked (pull_request)is the untrusted shadow that sits atfailure. So the prior config required unsatisfiable / wrong contexts; this points the gate at the authoritative ones.Security ✅ (improvement) —
pull_request_targetruns trusted base-branch logic, so a PR author cannot forge these statuses by editing workflow files in their own PR. The(pull_request)/head-context variants are spoofable. Tightening the governance gate to the trusted variants is the correct, safer required-context set (consistent with the established trust-boundary model).Robustness ✅ —
pull_request_targetfires on the base for all PRs (incl. forks), so the gates are reliably emitted — strictly more reliable than the old config, which referenced never-emitted / failing contexts.Performance ✅ — N/A (3-line constant).
Readability ✅ — Minimal, well-scoped edit to a clearly-named constant with an explanatory comment.
No regression. Note (non-blocking, already flagged by PM): #2589 is itself gate-check-v3-blocked on main (circular self-reference) → requires an operator admin-merge after 2-distinct. APPROVE.