{"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-ax740jrt","versions":[{"created_at":"2026-06-07T12:46:45Z","element_count":91,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hokkaido_/sc_sapporoshikita/nc_20553213/ 価格990万円 建ぺい50%/容積80% 取得2026-06-07","saved_by":"editor","sha256":"0c1996b974545665525732550d16339265dd6e7fc6609b9ec2437f2957503ef5","version":2}]}