{"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-8bckl0c7","versions":[{"created_at":"2026-06-04T07:22:12Z","element_count":99,"note":"GA polish 2026-06-04: 総合 96.5→99.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.0 (美 100 環 96 楽 100))","saved_by":"editor","sha256":"d50a15af664fba9ec5a00c81a1b023511be256ce7b0a8e22266395e3c6e64054","version":11},{"created_at":"2026-06-04T05:52:14Z","element_count":102,"note":"GA diverse re-design 2026-06-04: 総合 96.5→96.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 96.5 (美 92 環 96 楽 100))","saved_by":"editor","sha256":"aa7a38d30a9facd0c11e8abbb9ffd0b84a58c25119ecb5d15abfd8936443e649","version":10},{"created_at":"2026-06-04T04:55:30Z","element_count":102,"note":"GA batch-improve 2026-06-04: 総合 61.2→96.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 96.5 (美 92 環 96 楽 100))","saved_by":"editor","sha256":"bfc466cb08f35d7af19f571cd6a717fb2ee04e4a6f68dd78d1b63a39b3fc21fb","version":9},{"created_at":"2026-06-04T04:55:30Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4940e87aeb76d0e8200e769e67001b597435668a4806459838a6f2772aab334c","version":8}]}