Block a user
[OWNER RATIFICATION] PR #30 Single-Owner Atomic Activation
[SINGLE OWNER GOVERNANCE ATOMIC ACTIVATION] Activate Machine-Gated Owner Policy
[FINAL OWNER RATIFICATION] Single Owner Governance Activation
[OWNER RATIFICATION + CONTROL PLANE] Single Owner Governance Activation
[OWNER BREAK-GLASS GOVERNANCE RESET] Single Owner with Machine Gates
[CONTROL PLANE DEPLOYMENT] AIOS Integration Refresh Provisioner