{"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-f9pm5pkl","versions":[{"created_at":"2026-06-04T17:01:35Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"8b1c2acfa2d4e5599c2f2d1895aba2873fd0b7ec1ffe5426411e4e75f3da5e3b","version":11},{"created_at":"2026-06-04T05:54:58Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b78753ab899b05b9ab710699b7972f3b6c862d8237644e02e580bd94d1a99b48","version":10},{"created_at":"2026-06-04T04:58:48Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 39.1→93.6 (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 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"b9e01c65c6c7d59f65ed0c7db2185c410f0b8cccfc2776df509bb95b2f521d0f","version":9},{"created_at":"2026-06-04T04:58:48Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"9354c0853f0187bf916dee8a64d50edb766bfaabf38fa9f7d2da279e7c45ac2c","version":8}]}