{"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-g0-0bgffto8","versions":[{"created_at":"2026-06-04T16:59:32Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"90d9accfbf5855ee797b4a3e3f204dc32b2188f34fe050de015c7dff9d3864a3","version":6},{"created_at":"2026-06-04T14:56:50Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (91.9->92.4)","saved_by":"editor","sha256":"1bcb23ae671fee38c0d32a850f9c148aff5eee60eae5516719c9570666c30376","version":5},{"created_at":"2026-06-04T05:52:32Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 94.6→91.9 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 91.9 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"7ba0d8fefb70e03fbc02c952ffae8915ae2181ca09efb3dd3baa00ee71a7b9c6","version":4},{"created_at":"2026-06-04T04:55:30Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 61.2→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":"6f122e81bbdc686842cfd030ac0209a087ad84eaf0036c5aa6cb0af2d4799518","version":3},{"created_at":"2026-06-04T04:55:30Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"9aee0afac0ed519972399702a33b5e0e13d340b73c6ff6430b394b10d6ddb786","version":2}]}