{"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-ypdtx0qy","versions":[{"created_at":"2026-06-04T05:50:55Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 99.3→99.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"b3a84c4a4e577aaa1b9de632de30b54e0dac55952db7b1944199c2fdcf58291c","version":10},{"created_at":"2026-06-04T04:54:32Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 66.0→99.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"1b3357ec42ec842c633b2696e697978e3ed1bcca6c52c50781b662051a53e2ce","version":9},{"created_at":"2026-06-04T04:54:32Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f9ea04c23921256cd0cfd83a65ff53f0382258f9cfd54b550d86da4e6d40181d","version":8}]}