Apply the interior-reference counterexample to the facade: label exact-address scope and emit location endpoints while preserving caller selectors separately. Carry canonical target-content provenance through experimental MCP replies and verify it on the real client. Keep original measurements pinned to the v1 response shape. Nine experiment checks and real Kuna lifecycle/context checks pass. Co-authored-by: gensokyo-dev <[email protected]> Co-authored-by: Kaoru0822 <[email protected]>