{"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-g1xenuwh","versions":[{"created_at":"2026-06-04T17:01:30Z","element_count":60,"note":"polish: batch-improve-100 2026-06-04 (92.0->93.8)","saved_by":"editor","sha256":"805b05dfdffd7ad7f9ee37b7b6ef5f1e1aad7d3f324a9df157df323e4e74ef3b","version":12},{"created_at":"2026-06-04T06:04:25Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 89.5→92.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.0 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"f7de0f7876fcb602e4d3efd85214cb5b9c0931139a3eb50294536ba14eba214f","version":11},{"created_at":"2026-06-04T05:55:57Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 92.0→89.5 (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 89.5 (美 94 環 97 楽 91))","saved_by":"editor","sha256":"81e021d6ac3c183ec2ac41d33e9eaf15c02c8e0372328e7ef833b80b0e0adfc6","version":10},{"created_at":"2026-06-04T04:55:20Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 62.1→92.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.0 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"be868b8a58521595112877082107bbd9961f199c951f9dd8e7d60e8c472b848c","version":9},{"created_at":"2026-06-04T04:55:20Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"3ab5bb20be1c89c806c703f51f568dd985f47bfab4bca4ce30cb1b6c0ceec839","version":8}]}