{"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-sr7ipdj9","versions":[{"created_at":"2026-06-04T07:22:24Z","element_count":70,"note":"GA polish 2026-06-04: 総合 93.0→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"ef3ed02625f7d2ab7c2e1106e66a2c4c362165b62975eb1f47ebfd38ea240b3c","version":11},{"created_at":"2026-06-04T05:53:40Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 94.1→93.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 93.0 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"61e6aca3ea45bdad1d0f8ba9e753d1d271a2f7d46802b6b480d07869e3651ee4","version":10},{"created_at":"2026-06-04T04:54:54Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 64.8→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"a39e724edd82daf811a19dd6d63bc201e06afd3cfe26f4071c67f1592477b59d","version":9},{"created_at":"2026-06-04T04:54:54Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"364bcd9fa4f5dd29d5efcd3330f35f1f2f3a82af3439ee5000f6f2872ef250f4","version":8}]}