Production Acceptance Requires Live Evidence, Not Code Review Alone
A reviewed repository can still be disconnected from the state actually running on the host.
acceptance
HTTP Status Semantics Are Part of Production Acceptance
A service can be reachable and still be routed through the wrong authentication or application layer.
Deployment Is Not Acceptance
Applying a change and proving it works are separate milestones that need separate evidence.
STABLE Should Mean a Device Actually Ran the Release
A release should not become stable merely because an administrator clicked a promotion button.
Observability Needs a Source of Truth and an Acceptance Artifact
A monitoring stack can drift through dashboard edits, local files and runtime tuning until nobody knows whether Git can reproduce what is currently trusted in production.
Dual OTA Slots Need an Acceptance State
Booting the new partition once is not enough to declare it safe.