{"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-0zg7vsgc","versions":[{"created_at":"2026-06-09T07:52:02Z","element_count":89,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hokkaido_/sc_sapporoshishiroishi/nc_20931224/ 価格1290万円 建ぺい50%/容積80% 取得2026-06-09","saved_by":"editor","sha256":"c9b522d0630378ee426591edf72fe2ce5d81eeb1b832903731665c6e56b8fc2f","version":2}]}