{"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-engawahousev7persona-wrisj3te","versions":[{"created_at":"2026-06-04T05:49:44Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 99.8→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 99 環 100 楽 100))","saved_by":"editor","sha256":"d545e233a3dc38c4e0c52688d3215ece9cac0b33588eb7811577ea30ee697bf7","version":4},{"created_at":"2026-06-04T04:56:23Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 56.0→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 99 環 100 楽 100))","saved_by":"editor","sha256":"511942d66578a17e1970992b9ffe55f370ce4b270a0f30b7fe6870f98a227a77","version":3},{"created_at":"2026-06-04T04:56:23Z","element_count":51,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"9dde2143cb49b45d8fa15e60133765cdda3c8e7b952f2b46ffcc9c1fa47603f3","version":2}]}