{"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-12gt8zst","versions":[{"created_at":"2026-06-07T12:44:34Z","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_77539407/ 価格1800万円 建ぺい60%/容積200% 取得2026-06-07","saved_by":"editor","sha256":"6e7a5bdf73045174b3dd39208ed1f6b5364442723eda302a98817f11140df84b","version":2}]}