{"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-bhpzxfgw","versions":[{"created_at":"2026-06-04T14:56:45Z","element_count":70,"note":"polish: batch-improve-100 2026-06-04 (93.9->94.6)","saved_by":"editor","sha256":"c7e20cb269b927073bd7b1bc229a8d8ad1c2939701d1a172522870220c87a82a","version":11},{"created_at":"2026-06-04T05:52:39Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→93.9 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.9 (美 100 環 96 楽 100))","saved_by":"editor","sha256":"000ca78d41472c345a9c3efa2d20bd12cde6daa6d2d7ca80466f2455b5f8abd0","version":10},{"created_at":"2026-06-04T04:59:22Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 36.7→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":"d89e636b0d14b498f749019a1ff5c92cb867625f805ff1a12f9c35e0b2a56593","version":9},{"created_at":"2026-06-04T04:59:22Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"538a47ad58e7889a75fa4e791de94dfc86cfc489a92ad23b69241ffa8d11716d","version":8}]}