{"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-pa93yta2","versions":[{"created_at":"2026-06-04T17:01:40Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.8->99.9)","saved_by":"editor","sha256":"7d07e3006285c32b561eb41ba1da09c93dee724429787953ac2d8a9f5f546ecd","version":12},{"created_at":"2026-06-04T14:57:08Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.6->90.8)","saved_by":"editor","sha256":"0744e1775b8f83ba481e012a1b9fce0a1865b4a42d2dcb68572c90262b4a4ffb","version":11},{"created_at":"2026-06-04T05:51:46Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 97.6→90.6 (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 90.6 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"25e76d142b87ae4a850e72d93b9446f9ece22cddb330b4eb5b97eb6e047d2078","version":10},{"created_at":"2026-06-04T04:59:07Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 38.3→97.6 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"d6dbfd85ba2a3cb665f8d0cf15b6e41bc5cf0c2e73d54860e55ce86a9c73e618","version":9},{"created_at":"2026-06-04T04:59:07Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"76eace57ff3ec83f99618328aa9eddb90a110f519b6db9cfed65bcc87dad108a","version":8}]}