{"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-e3vbvxwu","versions":[{"created_at":"2026-06-04T17:00:28Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"8b1c2acfa2d4e5599c2f2d1895aba2873fd0b7ec1ffe5426411e4e75f3da5e3b","version":11},{"created_at":"2026-06-04T05:52:39Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→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":"c8f649aa11326936fb49b2c9085ca0066659eadc865e44c00de3ad43855bc49a","version":10},{"created_at":"2026-06-04T04:57:13Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 47.8→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":"b42e9f0744e6dcf784ee7fa18049024dfbbfb3de8539154427a79e875a6af07f","version":9},{"created_at":"2026-06-04T04:57:13Z","element_count":17,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"73ea521af3e7df69133b42f2cdeb84f6611881844cddbaf789fb760e55703b0f","version":8}]}