{"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-9g8dvzsb","versions":[{"created_at":"2026-06-09T09:54:08Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/kanagawa/sc_yokohamashikohoku/nc_20946461/ 価格7180万円 建ぺい50%/容積100% 取得2026-06-09","saved_by":"editor","sha256":"9d1cba04ef91289beebcb859c5125ffa4cccf43b563adc6ed2d359551ae6bea4","version":2}]}