{"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-sv9ill3m","versions":[{"created_at":"2026-06-04T17:00:26Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.0->99.0)","saved_by":"editor","sha256":"92ed8e3673c22c20eb413f7407b5caa16bef5d43db3b9ecd14d86c8df4efa769","version":11},{"created_at":"2026-06-04T05:49:43Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.8→91.0 (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 91.0 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"28f7046c9fc6ced133646843ec456d3b70ff2654813dc1b98b6eec9e5268d625","version":10},{"created_at":"2026-06-04T04:53:46Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 68.9→99.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"22559f1e75400a7efabe86dcf80e7f69fe650ae833847b4195b679ceac7be690","version":9},{"created_at":"2026-06-04T04:53:46Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e045a1e627dddf1a4adabf1f572ca1da375e34bf5d19cb81e01138e5608ffeaf","version":8}]}