{"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-rew8fnmj","versions":[{"created_at":"2026-06-09T10:03:40Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/kanagawa/sc_yokohamashiaoba/nc_20796995/ 価格4200万円 建ぺい40%/容積80% 取得2026-06-09","saved_by":"editor","sha256":"775831dafbe3be8c2a51620071feccf4d1cc774b6acd6abc9d6947b794ea0aeb","version":2}]}