{"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-bcl062jc","versions":[{"created_at":"2026-06-04T17:00:14Z","element_count":61,"note":"polish: batch-improve-100 2026-06-04 (92.2->94.1)","saved_by":"editor","sha256":"cc78d8af3d6e477cd07b13119c6cbd56c0ca95a37c9bc65c01da110af24499f1","version":12},{"created_at":"2026-06-04T06:04:15Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 89.7→92.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"e36ecf446263e7fc74d9a9ada1b9abc19f9b8d0f09de9a09795eec5b7d961626","version":11},{"created_at":"2026-06-04T05:55:53Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 92.2→89.7 (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 89.7 (美 94 環 98 楽 91))","saved_by":"editor","sha256":"9362a29425c6480163fb43146122d39a12008effe81f35d4067aab1475187034","version":10},{"created_at":"2026-06-04T04:57:45Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 46.1→92.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"9ebd79098938adc0aa3fcc5cd9c692538197b7881fb8d9bf0821148640f6e746","version":9},{"created_at":"2026-06-04T04:57:45Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"7e01af6d880a2cc821bb8ec059db992eadef9823f1f936b658f2df8907cd4114","version":8}]}