{"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-v0bfucmq","versions":[{"created_at":"2026-06-04T05:52:08Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 96.9→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":"b47936e25df17f51aeeede5b2ed946ac9f8f60f904d64d595172d16ac5dbe229","version":10},{"created_at":"2026-06-04T04:55:24Z","element_count":102,"note":"GA batch-improve 2026-06-04: 総合 61.7→96.9 (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 96.9 (美 93 環 99 楽 100))","saved_by":"editor","sha256":"9a9705756b477b23a379fe27c4a8cc3986e4fb0ef8b5a6c75fc3a41fd6f1467f","version":9},{"created_at":"2026-06-04T04:55:24Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"dd2b7bb889e46f10049b875f1949e69c5f5f2ab631d42b2f045abb09a7d98e1a","version":8}]}