{"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-r9hbk0x3","versions":[{"created_at":"2026-06-09T08:00:04Z","element_count":91,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hokkaido_/sc_sapporoshikiyota/nc_77549338/ 価格990万円 建ぺい60%/容積200% 取得2026-06-09","saved_by":"editor","sha256":"d41a34a2d605990d42b7922fd17eddcafd81262fb1a6e9d42faebfeda50a49ad","version":2}]}