{"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-fyvzvh76","versions":[{"created_at":"2026-06-04T17:00:46Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->99.4)","saved_by":"editor","sha256":"949adff38cb0a27d7dbf56f39521b92405d21f3f244011cc310cb2237c8a8cb9","version":11},{"created_at":"2026-06-04T05:53:28Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.4 (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 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"e8f2063fb64bbdbb015cae7c3813005ef96b0adc1c63fd6f2faac7efbeab166f","version":10},{"created_at":"2026-06-04T04:55:03Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 63.5→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":"5d9ce4a6ed3069b5ace92c82a3c26241fec884f051024ed14ac56b63dfcf1f6d","version":9},{"created_at":"2026-06-04T04:55:03Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ac097667a1db25ef12303b9bfb7c9e02df8d8a04f2cf83a9f1bee88a9f3a719e","version":8}]}