Promotes the build that passed. Nothing else.
It confirms the build in front of it is exactly the one Verify approved, then rolls it out in steps, a small share of traffic first, with error rate and latency checked against thresholds at every step. The previous version stays warm, so stepping back is one action, not an incident.
Reads
- The verified build
- Health thresholds
- The Verify gate sign-off
Produces
- A stepwise rollout
- Health evidence for every step
- An instant way back

