{"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-ae80x6am","versions":[{"created_at":"2026-06-09T09:33:17Z","element_count":83,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/tokyo/sc_itabashi/nc_20909181/ 価格1280万円 建ぺい60%/容積160% 取得2026-06-09","saved_by":"editor","sha256":"329396e7f1fd3ee4f57daca0ece98c08311b70be3e0336fca7b4321653785339","version":2}]}