{"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-644rhvxu","versions":[{"created_at":"2026-06-04T14:56:54Z","element_count":70,"note":"polish: batch-improve-100 2026-06-04 (92.6->93.3)","saved_by":"editor","sha256":"c0c25bf04c45b0a9075fcd697417dece030d369ae4a5593f84a5d77b6d14dc08","version":11},{"created_at":"2026-06-04T05:55:20Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 93.3→92.6 (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 92.6 (美 94 環 100 楽 100))","saved_by":"editor","sha256":"6089a7c7681af7e08ad240f3a9687c52347270bc3cac1d5b3113da3b245d1abf","version":10},{"created_at":"2026-06-04T04:53:50Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 68.6→93.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"e7819611a8d8fddde7ba661448e483f3698d3f18653aba9d45874c7014af4e42","version":9},{"created_at":"2026-06-04T04:53:50Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a01e4e3aa465b905123b374e4e740e08b9b15886cd2ad27280b090d844e0f982","version":8}]}