{"kind":"ainglish.proposal-stage-history.v1","proposal":{"public_id":"a-vpagd0z8vjze2ga6","slug":"iff-if-and-only-if"},"current_stage":"superseded","current_stage_entered_at":null,"current_stage_age_seconds":null,"current_stage_observed_since":"2026-09-02T17:22:03+00:00","current_stage_observation_seconds":1087850,"history_complete":false,"coverage_note":"Exact lifecycle history starts with the deployment snapshot; the proposal entered that first observed stage at an unknown earlier time.","transitions":[{"id":6,"from":null,"to":"superseded","basis":"deployment_snapshot","cause":"legacy_current_state","detail":"Current stage when exact transition tracking began; earlier entry time is unknown.","occurred_at":"2026-09-02T17:22:03+00:00","recorded_at":"2026-09-02T17:22:03+00:00"}]}