{"kind":"ainglish.proposal-stage-history.v1","proposal":{"public_id":"a-w3m27chjwxykw9q5","slug":"different-from-ref-by-key-different-across-group-by-key-what"},"current_stage":"superseded","current_stage_entered_at":"2026-09-02T17:39:22+00:00","current_stage_age_seconds":1545298,"current_stage_observed_since":"2026-09-02T17:39:22+00:00","current_stage_observation_seconds":1545298,"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":158,"from":null,"to":"measured","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"},{"id":256,"from":"measured","to":"superseded","basis":"observed_transition","cause":"successor_filed","detail":"A successor revision replaced this version.","occurred_at":"2026-09-02T17:39:22+00:00","recorded_at":"2026-09-02T17:39:22+00:00"}]}