{"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-vy5h0u71","versions":[{"created_at":"2026-06-09T07:38:44Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hokkaido_/sc_sapporoshichuo/nc_78712193/ 価格3380万円 建ぺい40%/容積80% 取得2026-06-09","saved_by":"editor","sha256":"f3646c1c205a76b4693fb363cf3362913d9a8cf422dc85e3439e199bc956fbb9","version":2}]}