{"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-qojsdslr","versions":[{"created_at":"2026-06-04T07:22:07Z","element_count":99,"note":"GA polish 2026-06-04: 総合 97.1→99.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.0 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"1a53aaafd573355abb64f9a7356c96f223e83218ada558b3203008cbe51eb2a6","version":11},{"created_at":"2026-06-04T05:51:07Z","element_count":101,"note":"GA diverse re-design 2026-06-04: 総合 99.0→97.1 (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 97.1 (美 95 環 100 楽 100))","saved_by":"editor","sha256":"5d30472cd05291e6481e18b98834f18a3a5fef6dc4e99bdc45935ec66d9fc4e7","version":10},{"created_at":"2026-06-04T04:53:08Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 71.7→99.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.0 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"2217dc3b7d20d95ac723914c50cdfa357ed284f80f250ec4dad1bf5fa616ca77","version":9},{"created_at":"2026-06-04T04:53:08Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4b9b7c917b6ec309bcae3d17bd95fe41f3d01507494e51dccbec6f05d7f67131","version":8}]}