Harden revenue-critical flows with server-authoritative checkout, webhook integrity, and entitlement gating.
| Phase | Target | Owner | Evidence |
|---|---|---|---|
| Day 0 | Kickoff, scope lock, access validation | Operator + CWYN | Signed scope checklist |
| Day 1-2 | Core build and baseline automation | Builder | Working build artifact |
| Day 3 | QA pass + fixes + handoff | QA + Operator | Verification matrix and release notes |