Why: bind the task validation checkpoint to the latest integration baseline. Evidence: SELF recursive component checks; sync_base=a70ed114fba2d51bb93ec8cb0662703ab0bc0614; candidate=aa9c60841bc3f2e6d66bfa2224921d5dc5055875. Impact: task metadata only. Refs: .task/feature-rdm-template-dialog-plan.md