{"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-2czqa90w","versions":[{"created_at":"2026-06-07T12:19:35Z","element_count":82,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hiroshima/sc_hiroshimashinaka/nc_77221342/ 価格8380万円 建ぺい60%/容積200% 取得2026-06-07","saved_by":"editor","sha256":"bc65721dc5c7cd394bfb2e769b53f3ea598bc2681dd83e798b7a758dbdedf5ea","version":2}]}