{"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-n9smokjr","versions":[{"created_at":"2026-06-04T05:51:47Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 97.6→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"be010fa22fb1aeb2bbad25d1c8bbce42486382ebe0f47305c95985eecf4453ec","version":10},{"created_at":"2026-06-04T04:59:17Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 37.4→97.6 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.6 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"7854b6c5626aaae97487ea15eb18d21b8a6ea7d37a0ee63c5f7193a053bc9089","version":9},{"created_at":"2026-06-04T04:59:17Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d3ec41e29467a7e9d98fb9d5c7fd4be96bc695472b3d6819d8178d31d1ff3e2f","version":8}]}