Go-live gate
owner/scope: executive sponsor, process owner, data/security owner, bounded first release, success metrics, budget, timeline, exclusion, go/no-go authority.
process/data: current/target flow, exception, approval, data dictionary, deduplication, unit, opening balance, archive, reconciliation, integration contract, authority map.
people/operation: role-based training, support route, cutover rehearsal, rollback criteria, monitoring, backup, export, incident runbook, vendor escalation, post-launch team.