{"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-a6mfmiy9","versions":[{"created_at":"2026-06-09T09:10:17Z","element_count":88,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/tokyo/sc_ota/nc_20983353/ 価格6680万円 建ぺい60%/容積200% 取得2026-06-09","saved_by":"editor","sha256":"c2f300e8133748e0bc91945bc4d1fc36af582c3ed781b92464b4c1bdaebb2020","version":2}]}