{"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-d0hyciun","versions":[{"created_at":"2026-06-04T17:01:36Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.5->99.6)","saved_by":"editor","sha256":"ed6198bd090894e6f29fdf4f9404a980919a9de43672284e38eec5f5de8bb7ed","version":11},{"created_at":"2026-06-04T05:53:29Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.5→94.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"8d6fa7482e6e9ffb2fa9accba72af90d4086dc239b3a31cb4c6686aa2cb8786d","version":10},{"created_at":"2026-06-04T04:52:35Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 75.4→94.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"5900d0d08f6db2a82ab27715b002c32564233e6dc13e302c816bc2a82eaa2dff","version":9},{"created_at":"2026-06-04T04:52:35Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c7f1e4e66c281b9466404eb184bb01582d87aee68df98dcc4fbde201b70b8181","version":8}]}