{"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-5i66dpfv","versions":[{"created_at":"2026-06-04T05:51:45Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 97.6→97.6 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 97.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"4846011208ecd661b70aeb4ce1667f5d88a92c9ff629c7822c23c38a9401e6de","version":10},{"created_at":"2026-06-04T04:54:12Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 67.2→97.6 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 97.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"416b955ff899a601e55d9360774bacf34931bee477e0f756b6699387c2dbb93c","version":9},{"created_at":"2026-06-04T04:54:12Z","element_count":66,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"3cb4ef69490aedc8d0b147ea5fe3d85c0a353f5268d410adf641e14dbdf74214","version":8}]}