{"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-s0naoym6","versions":[{"created_at":"2026-06-04T05:50:22Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"fb2ef9f546ff3ec18cd4629bb0d30b69b22ebcf737650f5882c9784bd5c20af9","version":10},{"created_at":"2026-06-04T04:58:22Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 44.3→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"478a386fe53e3c1bb452c236761c6131ee25097ea502062ecb739d56c646172a","version":9},{"created_at":"2026-06-04T04:58:22Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"771b863eaf0ad507ac77708f71e709f5475c76bad8c53e22a29f78acc3f585e3","version":8}]}