{"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-gqd7d5p9","versions":[{"created_at":"2026-06-07T12:43:28Z","element_count":91,"note":"実在売地に自動設計 (site-batch GA): 出典 https://suumo.jp/tochi/hokkaido_/sc_sapporoshichuo/nc_20035941/ 価格1990万円 建ぺい60%/容積200% 取得2026-06-07","saved_by":"editor","sha256":"621441e9adc11569de975445497bf4a0332804b1d5c4fcbf24651d9c36506225","version":2}]}