{"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-r9woe441","versions":[{"created_at":"2026-06-04T17:00:41Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.2)","saved_by":"editor","sha256":"4a44fdfb21a9a04c2931a2da8a1727a4a2f154a780c90564e2c2bc0ebc8e8397","version":11},{"created_at":"2026-06-04T05:55:45Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 92.6→90.1 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"0cb19a6b93a022543b34fe98cd036e9d7608b8c014ae552c80664288dca95ebd","version":10},{"created_at":"2026-06-04T04:53:56Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 68.1→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b965256595b7d915cf41768021a1fb64acfdfd8149ed82c9dd9ef769255bf044","version":9},{"created_at":"2026-06-04T04:53:56Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c2413a9da3c0b28b308cf57288d03f05ab30a2e76e6720899c06b16e85451d6a","version":8}]}