{"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-xn0fdnnx","versions":[{"created_at":"2026-06-09T08:40:53Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/tokyo/sc_nerima/nc_20954191/ 価格5590万円 建ぺい50%/容積100% 取得2026-06-09","saved_by":"editor","sha256":"08faa0a93fb050c24347e8303920a620b10b696c5c8bddf372f0b2ef36a6adfc","version":2}]}