{"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-v8pnbmpj","versions":[{"created_at":"2026-06-09T07:43:53Z","element_count":53,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hokkaido_/sc_sapporoshikita/nc_20931802/ 価格1290万円 建ぺい40%/容積80% 取得2026-06-09","saved_by":"editor","sha256":"76993b5344ce59285493781ad155f718820c9f38083273d1a2c45105f03aec2c","version":2}]}