{"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-cytyxz6q","versions":[{"created_at":"2026-06-04T05:49:29Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 100.0→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":"82e691aff437bcba299fb8a8be83c0e640636cca0d48da8ba00499204e7dda2e","version":10},{"created_at":"2026-06-04T04:56:17Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 56.4→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":"38e61aea6287db52ab6e32c3d745198a791cecd00b5421c6ffef1a9160b8fa20","version":9},{"created_at":"2026-06-04T04:56:17Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1caed4bb8b2380138fd583e78470005416c990d80f06b6fcbddae8ae72c2fec7","version":8}]}