Provider 100% Cutover Authorization + Bounded Full-Traffic Execution Foundation
This gate prevents a clean 50% outcome from silently becoming full traffic. QA can rehearse the exact 50% → 100% final cutover only. Production authorization, accepted live requests, network dispatch, and real full-traffic execution remain disabled.
SCHEMA
100% cutover schema
READYExpected schema 51.
AUTOMATED ATTACK PATHS
100% cutover self-test
READYRuns each case in a separate Worker invocation.
SAFE QA FLOW
Rehearse exact 50% → 100% full-traffic cutover
READYExpected: HOLD source, 50% → 100% full-traffic rehearsal, accepted live 0, network NO.