{"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-252n78j3","versions":[{"created_at":"2026-06-09T03:23:58Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/osaka/sc_osakashihirano/nc_20753839/ 価格4760万円 建ぺい60%/容積200% 取得2026-06-09","saved_by":"editor","sha256":"b9e61eac57490871332f57f9b0474f237e710f92372c8771183e88c3db23db0d","version":2}]}