{"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-4ee9pti1","versions":[{"created_at":"2026-06-04T05:51:44Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 97.8→99.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"96ae45a38b6399203d26a9dd0c9deb1c87b698d8fab55c4883f7a961070ec034","version":10},{"created_at":"2026-06-04T04:57:18Z","element_count":102,"note":"GA batch-improve 2026-06-04: 総合 47.5→97.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.8 (美 94 環 100 楽 100))","saved_by":"editor","sha256":"640c3a26a65498335162fe9a62f5a41f2ebb0c795b9376bde4056dc54966dbfa","version":9},{"created_at":"2026-06-04T04:57:18Z","element_count":51,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0cecd03927aaa0c9613f6e25d30c5cdfeb6e0c9262b13256cebac620503305dd","version":8}]}