{"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-bwqqunkz","versions":[{"created_at":"2026-06-04T05:51:57Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 97.3→99.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"e2dd3ad0f161f1fb87232be9646d4f462cb4e2dc18f7055c9b6c90b96feac2b9","version":10},{"created_at":"2026-06-04T04:53:07Z","element_count":102,"note":"GA batch-improve 2026-06-04: 総合 71.8→97.3 (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 97.3 (美 94 環 100 楽 100))","saved_by":"editor","sha256":"d465084dd23b3039b0e4324371f5aa5cf6e86d6cc9f70bc3c540a8d399eb0344","version":9},{"created_at":"2026-06-04T04:53:07Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"79464e3bae1885959d01660a5a98bca13f35d7d081885e153c643a6bf1844423","version":8}]}