{"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-xn0vpayx","versions":[{"created_at":"2026-06-04T17:00:40Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (91.0->95.2)","saved_by":"editor","sha256":"eb2b3b21133d5576b80ee21ccbb4d6dcdb96cadbedab956224115aa4df83945c","version":11},{"created_at":"2026-06-04T05:56:05Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 91.0→91.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.0 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"85228c9be366d188feb63e0c2c9a534dec43c60b8cf02f9a66736d682f642cda","version":10},{"created_at":"2026-06-04T04:58:41Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 41.6→91.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.0 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"a448cfaaf13ed287e2a9fca95b999426db212029cd8b5efd71b7234e9a2dbe7b","version":9},{"created_at":"2026-06-04T04:58:41Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a9384f65feb37784118ce25cc730fe42364a61f727ccbb36379e32b40bccf6ec","version":8}]}