{"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-8bahjzzj","versions":[{"created_at":"2026-06-04T17:01:41Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.6->95.6)","saved_by":"editor","sha256":"22ea86037b8dd105ab529bae2cb651791b52183cd04195159d5422e514a48fd5","version":12},{"created_at":"2026-06-04T05:56:11Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 90.6→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"8b85c5847ae4fa2066c46ed504b5b7f64fadc599a07a73a3a76fbf7f5c959cfe","version":11},{"created_at":"2026-06-04T05:03:50Z","element_count":70,"note":"GA batch-improve pass2 2026-06-04: 総合 89.9→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"c5a9d0e23ae49d8ac96124132758b09e846cf113f0c30e0dcc7ba525f977cd9f","version":10},{"created_at":"2026-06-04T04:54:46Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 65.3→89.9 (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 89.9 (美 94 環 97 楽 100))","saved_by":"editor","sha256":"ab621220ccea2684de09620efb97c6f071eb48a387e2e0ee397852da18e05965","version":9},{"created_at":"2026-06-04T04:54:46Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4f69f9ba78af649d0b7b694f7349db12cea44f74ef30dd7bb2abe759ffab14ad","version":8}]}