{"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-2ibb8a61","versions":[{"created_at":"2026-07-29T03:09:38Z","element_count":175,"note":"言葉から生成: 総2階(箱) / 越屋根のある自然素材の家・通風重視 / 越屋根付き切妻屋根 / 吹抜によるエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエエ","saved_by":"mcp:create","sha256":"","version":1}]}