{"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-yn1xw9h1","versions":[{"created_at":"2026-06-07T12:16:33Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hiroshima/sc_hiroshimashinishi/nc_20602526/ 価格2720万円 建ぺい60%/容積200% 取得2026-06-07","saved_by":"editor","sha256":"5d9bcd91baf798d4a60e974ade9181ef700963aaec47c704de8636467f3a01dd","version":2}]}