{"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-hj62qhlh","versions":[{"created_at":"2026-06-09T07:39:50Z","element_count":90,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hokkaido_/sc_sapporoshichuo/nc_78877557/ 価格8000万円 建ぺい60%/容積200% 取得2026-06-09","saved_by":"editor","sha256":"7dc88380e1902e221b876cf21a56a15de4880e47841862843555c4232646e64c","version":2}]}