{"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-muri9twu","versions":[{"created_at":"2026-06-04T05:52:06Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 97.0→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":"4d7de6f2d9aefa4e3c81b0dafbd493f929c117acef21d6710ac7a94f5e071ef5","version":10},{"created_at":"2026-06-04T04:52:38Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 75.1→97.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.0 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"066a108d247e8713f30adf98fe21f1cc5d0a3b252e1eb694f69da8eaf58c6ecd","version":9},{"created_at":"2026-06-04T04:52:38Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4be1dd7e7e29139b73e9a302feab3dcdb45daf86b3437b1fcdabe691bc98c0b6","version":8}]}