{"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-t79a6rnl","versions":[{"created_at":"2026-06-09T07:51:17Z","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_20930712/ 価格1150万円 建ぺい50%/容積80% 取得2026-06-09","saved_by":"editor","sha256":"9889536ec7ae97d2dbbfc3a95437661f4c661993e7565640a0e4d14af20e1533","version":2}]}