{"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-2x1eaale","versions":[{"created_at":"2026-06-04T16:59:45Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (92.6->96.8)","saved_by":"editor","sha256":"6ff8e8ffefccd5d6334acc84fafda0ca7cf4886a6b81bca16641b38be07bb444","version":11},{"created_at":"2026-06-04T05:56:08Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 90.6→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"322b33d1e3878e5021ba7a2a8fe1cea20571e37adbe723cdfccbf8db6265c7db","version":10},{"created_at":"2026-06-04T04:52:53Z","element_count":69,"note":"GA batch-improve 2026-06-04: 総合 73.6→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 天窓 / 適応度 90.6 (美 100 環 90 楽 100))","saved_by":"editor","sha256":"15c0c13a10dd959e18b4c8125fd51e916d76278c6092ceb4ed0cf4a6268c731a","version":9},{"created_at":"2026-06-04T04:52:53Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0f6920c6e0339dd1ab0e8d14e1a585d01b80899e0231c63c2a55eed77ed583ef","version":8}]}