{"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-7h3tjva3","versions":[{"created_at":"2026-06-04T17:01:02Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (91.3->95.5)","saved_by":"editor","sha256":"d52087524d18ccfdd9e4a600d78f175e2d8e99a03056658375ad9c82e9652b9a","version":11},{"created_at":"2026-06-04T05:56:02Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 91.2→91.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.3 (美 100 環 93 楽 100))","saved_by":"editor","sha256":"c0e51faba3f60b3220cde71d15fe86fd5c7a567c53221f609143a697d3ced333","version":10},{"created_at":"2026-06-04T04:58:02Z","element_count":69,"note":"GA batch-improve 2026-06-04: 総合 45.5→91.2 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 91.2 (美 100 環 96 楽 100))","saved_by":"editor","sha256":"82409f92a03d89525009354d3e5e821714b94466cd281d95026b4bee741b395a","version":9},{"created_at":"2026-06-04T04:58:02Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c86006e70dfbbb659e01013b2c269b28abd0d059e1d7af1730c01d557bce379e","version":8}]}