{"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-l7gr1o38","versions":[{"created_at":"2026-06-04T05:52:53Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→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":"cf6e0826d2c1b4772abef942c6d4fcdc7307cd96d99145b0f15a86a9fbae00c3","version":10},{"created_at":"2026-06-04T04:59:02Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 38.7→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":"f1a6959b0513a6f84cc9cb0cf311b3f67a075ac2e255ef8949cc54cc5de54772","version":9},{"created_at":"2026-06-04T04:59:02Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d9849bdc70c33f6ce4497d738e10f6a8c7a8143ede990b8f5846622c8778cae0","version":8}]}