{"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-h6u4zf0t","versions":[{"created_at":"2026-06-09T02:47:50Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/okayama/sc_okayamashikita/nc_20547085/ 価格3220万円 建ぺい60%/容積200% 取得2026-06-09","saved_by":"editor","sha256":"944173d2e340c034ee6f25ff074f55feff323784bb63428db31000e88fc7a943","version":2}]}