{"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-uqy7lph1","versions":[{"created_at":"2026-06-09T07:54:57Z","element_count":90,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hokkaido_/sc_sapporoshitoyohira/nc_20930358/ 価格1690万円 建ぺい50%/容積80% 取得2026-06-09","saved_by":"editor","sha256":"b3d942805bd7947487098d8783719978a2c1cb1df3c7f7451abaa21d5f898c6c","version":2}]}