{"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-m9ff86sj","versions":[{"created_at":"2026-06-09T10:01:50Z","element_count":83,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/kanagawa/sc_yokohamashiaoba/nc_79209531/ 価格11500万円 建ぺい40%/容積60% 取得2026-06-09","saved_by":"editor","sha256":"533c2697eac0b34b789f0c7b94a5c3a165c995e54c062b3723cb94ac7de450ef","version":2}]}