{"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-2-t61d75yq","versions":[{"created_at":"2026-06-04T05:51:44Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 97.8→97.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 97.8 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"9f3645faced00db7d6bb7deb4b51bcc8dceef4f71fa764a717d754d0031850af","version":10},{"created_at":"2026-06-04T04:56:54Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 49.4→97.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 97.8 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"ef920e21a41ea3cd32feca36ba29d1dc4e217c16ad908026b9b2f65a38442bea","version":9},{"created_at":"2026-06-04T04:56:54Z","element_count":51,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c079309cd60fadf825fa96c42d4116d2827483b2bba4e6682c1abcfc4cfa8d2e","version":8}]}