{"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-c6fyc4xa","versions":[{"created_at":"2026-06-07T12:44:12Z","element_count":90,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hokkaido_/sc_sapporoshikita/nc_77643943/ 価格1118万円 建ぺい50%/容積80% 取得2026-06-07","saved_by":"editor","sha256":"b72e1d36cf293257b58b41f71bfdb2442c29ac09b47fa140abe914b4454d16f3","version":2}]}