{"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-hi0fbpjq","versions":[{"created_at":"2026-06-04T17:01:18Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (96.5->97.4)","saved_by":"editor","sha256":"88c45072bca80b0f6c079cab277b2548d7520d8ca3914dbf7f9dd9c2c43eca4a","version":11},{"created_at":"2026-06-04T05:51:04Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 99.2→96.5 (総2階(箱)・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 96.5 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"b8739ade6a2061e83b3d3a57c53c0fbf3e6cc50a0bfef5a5f67f9e7ccec5f788","version":10},{"created_at":"2026-06-04T04:56:50Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 50.1→99.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.2 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"f17aea4e532ad7a7e64dfadd48159ef5c8b7206b2444e82741d7e4c8b1fb52fd","version":9},{"created_at":"2026-06-04T04:56:50Z","element_count":51,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"9cf2a0dd2b1878e4bf8286b190afbab2b44cc6c6324042a4fc1dd443190c0208","version":8}]}