{"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-y9dvyymv","versions":[{"created_at":"2026-06-04T17:01:22Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"8101e1c27266e9a93b7d3bd1ee77684a282284185617033e2a8daa9f7096ab63","version":11},{"created_at":"2026-06-04T05:54:57Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.6→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":"19e43fe18ba03808fbd8e90408afcced19fdf1a377c91fe4f56afc572609419c","version":10},{"created_at":"2026-06-04T04:58:53Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 38.9→93.6 (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 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"9ae261085b0a037dea76ba1ad1cc99d8e31779570fedf1541c7270f756b70429","version":9},{"created_at":"2026-06-04T04:58:53Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"36381b7d3642bddcb2b5184c67a26d2dc3b3dd826cc5f1c8762b292de2fb11a5","version":8}]}