{"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-tufryowx","versions":[{"created_at":"2026-07-18T16:16:33Z","element_count":120,"note":"言葉から生成: 平屋(矩形) / 平屋の別荘・大きな軒・土間 / 入母屋屋根(軒出1.5m) / 南面掃き出し窓 / 玄関土間(洗い場併設) / 高窓採光 / 断熱等級6","saved_by":"mcp:create","sha256":"","version":1}]}