The relevant-mainline-drift check in scripts/pr merge-verify hard-failed
any landing whose prepared head predated a sibling merge, serializing all
agent landings behind a fresh CI cycle per merged PR. Required checks
still gate at the prepared head and GitHub mergeable state still blocks
real conflicts. OPENCLAW_PR_STRICT_DRIFT=1 restores the previous hard
gate for release-critical flows.
One-time maintainer-authorized bootstrap merge for the release-gate verifier policy. Exact hosted CI and all supporting workflow gates passed on 66133de419.
Fix the Windows stale-import guard regex used by the Parallels npm update smoke path, with related maintainer-flow and regression-test cleanup preserved on a verified branch.