{"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-184vhznm","versions":[{"created_at":"2026-06-04T14:57:02Z","element_count":70,"note":"polish: batch-improve-100 2026-06-04 (94.0->94.6)","saved_by":"editor","sha256":"38911cbe2bd0935141a475ea0e5f103d649264ffc10fac76377f12d53269f033","version":11},{"created_at":"2026-06-04T05:53:13Z","element_count":69,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 94.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"66bb05d1a4774ed9df23fca264a3c6eb4d7df439f3809e03049f1c0ad8a64898","version":10},{"created_at":"2026-06-04T04:56:29Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 54.4→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"773e456677b3ed54d776a0c028bd06a80990c23e4530852e0bafa371809f9c8f","version":9},{"created_at":"2026-06-04T04:56:29Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8614a35a3c8ba4f244db489223beba638b6b73f8fb383f933ef8e16e45958d48","version":8}]}