{"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-ckpqpyxt","versions":[{"created_at":"2026-06-04T16:59:34Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->99.8)","saved_by":"editor","sha256":"ad1dbdeb5b2ffdfcdec071e43ae6a939604d1fe12c9054aca191ce0c6f46a835","version":11},{"created_at":"2026-06-04T05:52:54Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.4 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"24862ceb0ad2dffc29b4121a24549b6f00e81cfcda7db210ae8b28e2f3c7a984","version":10},{"created_at":"2026-06-04T04:52:34Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 75.4→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"7f449fd3ed37ade5ab9c1b2d9f12027fd43bcd0bbec81babe47154b7ebba2ce4","version":9},{"created_at":"2026-06-04T04:52:34Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"7dbb2f3cf28c91aba283a036e49ab525d9039cbb6e804823babc45f38f928225","version":8}]}