{"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-my8hpu24","versions":[{"created_at":"2026-06-04T17:00:16Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (91.2->100.0)","saved_by":"editor","sha256":"d425109594885e37b0f50d8d8d78534976ab89640e130e402916f8900a2264ea","version":11},{"created_at":"2026-06-04T05:55:17Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.5→91.2 (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 91.2 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"a96d3d0321833e0baa0610c1cd85690819c6efac16bb9f3b93cff08e055cd4d3","version":10},{"created_at":"2026-06-04T04:58:37Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 42.4→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"ac4a7974e3c62f379142ac8a06e5ef2deca1f6115e1b2f41d9ed91899db2dcfc","version":9},{"created_at":"2026-06-04T04:58:37Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"fbebf76f446707982e7b4c265d97e0ed4f9486fd34bf9b66de4eb0fd2750c373","version":8}]}