{"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-f65nyy7y","versions":[{"created_at":"2026-06-04T17:01:09Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (92.2->96.5)","saved_by":"editor","sha256":"8ecedb91d7e71271a524dd995a4a70dfd8db8ba1bcd10f514360f1bd6e42bbf6","version":11},{"created_at":"2026-06-04T05:55:52Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 92.2→92.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"7d05914e2d40395211a0b3342fd6a32b637d167a4b0f8b0fdbf0edeae260fd85","version":10},{"created_at":"2026-06-04T04:56:08Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 57.5→92.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"1d650533a4581a8e3b648b4c3c8b2fa7c6c602d4862d8dd9055885ad5706c07f","version":9},{"created_at":"2026-06-04T04:56:08Z","element_count":28,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5e0e73c158b14f79c08f2708d6e44ae5aa57a69f101f16e96724c187a589a7fd","version":8}]}