{"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-sjdns69o","versions":[{"created_at":"2026-06-04T05:52:10Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 96.9→99.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"93a52db162ebdb7f4c34664ce6ff2cce3ad186dbb25c00512e893f4511450c26","version":10},{"created_at":"2026-06-04T04:58:32Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 43.2→96.9 (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 96.9 (美 92 環 99 楽 100))","saved_by":"editor","sha256":"516e33b2510d041f4dacfe12ee74dbab93ece7b41bfa0a3828d2508fe7bf0085","version":9},{"created_at":"2026-06-04T04:58:32Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"67226edd9723aa76bdf3b1c714d0aaae3d9b75ca4733c7f9bb63d0f101b966bc","version":8}]}