ENGAGEMENT.md §7.1 Q8. `pr-checks.yml` triggered only on PRs into `main`, so a
workstream that lands its phases on `edge` before one cutover PR got no CI at
all until the cutover — all nine M12 phase PRs merged without a single run, and
engagement Phase 8 was about to do the same. A phase should fail on its own PR.
Sonar is untouched: `sonarqube.yml` is a push-on-`main` analysis, not a PR gate,
so no phase PR was ever expected to run it.
Co-Authored-By: Claude <noreply@anthropic.com>
wtclaude
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