{"note":"bim_versions 導入後の保存のみ記録 (それ以前は bim_canonical 上書きで履歴なし)","ok":true,"slug":"u-house-p7g6n3oi","versions":[{"created_at":"2026-06-09T07:42:24Z","element_count":90,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hokkaido_/sc_sapporoshikita/nc_20931974/ 価格1190万円 建ぺい40%/容積80% 取得2026-06-09","saved_by":"editor","sha256":"b425fea9833069120bb260493785cd6ff780bf76253e538b49e75b540a15a210","version":2}]}