{"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-dhontjho","versions":[{"created_at":"2026-06-18T17:08:45Z","element_count":167,"note":"言葉から生成: 中庭ロの字 / アトリエ兼住居・北面ハイサイド採光 / 北面ハイサイド採光窓 / 中央吹き抜け / 高気密高断熱仕様","saved_by":"mcp:create","sha256":"","version":1}]}