{"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-9vmnbwtf","versions":[{"created_at":"2026-06-04T17:00:46Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"2af1685bc520ebe4e7e51f3b59779e643a4c873ca94d5170d81fd70f1c5c14e3","version":11},{"created_at":"2026-06-04T05:52:42Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→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":"d89d076612649ba8261b476ec3c5606c720aa20fb130d58d35bbdfd1ab9ce839","version":10},{"created_at":"2026-06-04T04:57:39Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 46.4→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":"8b9f27b4b1ec36b23de4aaf032e708dfad1bec682bf494a243060ade407379fb","version":9},{"created_at":"2026-06-04T04:57:39Z","element_count":16,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0ecc3c249952a93a335043eca29c32efb479540eeaa62bbf2895964101863ff3","version":8}]}