{"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-ob1q179y","versions":[{"created_at":"2026-06-09T07:50:56Z","element_count":91,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hokkaido_/sc_sapporoshishiroishi/nc_20949479/ 価格1090万円 建ぺい60%/容積200% 取得2026-06-09","saved_by":"editor","sha256":"33f30abf922c4bd7245b6dd5865690a1a68d190ea080852b76618ae84070cb5d","version":2}]}