{"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-p3npa89s","versions":[{"created_at":"2026-06-04T17:01:11Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.4)","saved_by":"editor","sha256":"bb385aad8949e303afa341e7bf75938b01970a251ca8dfbe38b79dc12ad519f9","version":11},{"created_at":"2026-06-04T05:49:59Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→90.1 (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 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"68d37933c0aad4263291fb1f17fcb9c84e7f9bb28e3bc0c64530fb42a32d57a4","version":10},{"created_at":"2026-06-04T04:57:46Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 46.1→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"a76f1652c41211ed99a8411779590dfdcc801a0fb7a3733ca5ef9739971b715a","version":9},{"created_at":"2026-06-04T04:57:46Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c576d31b1905313310677e491a11de99e63e67a64a0157ea1cbd11077e78e82f","version":8}]}