{"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-3j5owzc9","versions":[{"created_at":"2026-06-04T17:00:44Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.6->98.5)","saved_by":"editor","sha256":"147a953c06d0e6ad4873bdb22b8fd63d4b6316d8178958ed30a33f30496cfd75","version":11},{"created_at":"2026-06-04T05:55:02Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.6→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b4c986349524c395b5c3080ea18b0cccbc07a0dcbb5b4a72658c2f3fb23baba3","version":10},{"created_at":"2026-06-04T04:52:37Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 75.2→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"a4dfe7d4ba7ce3cede0740dc9f090a36369f9d00476c32fe91170b4bdbf29d52","version":9},{"created_at":"2026-06-04T04:52:37Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e464b4cfda061984d4f0bbfaedf4ccd583cb9be8b47bcccaf2be7a7a5a5cdad9","version":8}]}