METHOD=Publication-only canonical plan replacement through approved router-publish-report.
PUBLISHER_INTERFACE=label plus explicit files.
RUNTIME_IMPACT=false
VM101_ACCESS_USED=false
VM101_MACHINE_GIT_CHANGED=false
VM130_INFRASTRUCTURE_CHANGED=false
LIMITATION=The publisher preserves old canonical folders, but future plan-generating STEP code must obey local-plan-contract.md and carry both mandatory files forward.