{"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-ix1uaqyr","versions":[{"created_at":"2026-06-04T17:01:33Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (96.5->97.3)","saved_by":"editor","sha256":"9236f659d4391e667a40f1e56c67e371d5bfc6d0fb59acd4b9b5b97fe6ba9e07","version":11},{"created_at":"2026-06-04T05:51:08Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 99.0→96.5 (総2階(箱)・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 96.5 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"7832b935a112bb00e00e5b5aedd4a6fa0e77b3de4575be086c04dd841f02665f","version":10},{"created_at":"2026-06-04T04:53:09Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 71.7→99.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.0 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"2217dc3b7d20d95ac723914c50cdfa357ed284f80f250ec4dad1bf5fa616ca77","version":9},{"created_at":"2026-06-04T04:53:09Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"3ce76845372b3af597908e8b16174acf5a482d74276c8fd5354070f9c3eed93a","version":8}]}