Adoption walkthrough: small team (2-week rollout)

Week 1

1. Run make first-proof locally and confirm SHIP/NO-SHIP output.
2. Add CI make first-proof-verify lane.
3. Review first-proof troubleshooting doc for top failure modes.

Week 2

1. Enable weekly trend + threshold artifact review.
2. Route owner escalations from threshold breaches.
3. Capture one internal screencast of lane operation for onboarding.