{"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-9lriqtrd","versions":[{"created_at":"2026-07-24T09:14:19Z","element_count":131,"note":"言葉から生成: 総2階(箱) / 二世帯住宅・玄関2つ・水回り分離 / 玄関2か所 (別棟感・完全別棟ではなく、小屋裏階段別・外階段別) / 水回り完全分離 (洗濯・浴室・WC別棟別階) / 小屋裏階段別 (別棟感・別小屋裏別小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小屋裏小","saved_by":"mcp:create","sha256":"","version":1}]}