{"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-hnvh5cs8","versions":[{"created_at":"2026-06-04T17:00:56Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.1->99.0)","saved_by":"editor","sha256":"68941412474d99395eebd7a417da44f9f1b411d7c89a960cb8daa1197253b0b7","version":12},{"created_at":"2026-06-04T14:56:52Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.0->90.1)","saved_by":"editor","sha256":"c9923c192cdd721fea73334f5a8756426f74f57b1adab64565e903628a84cee9","version":11},{"created_at":"2026-06-04T05:50:38Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→90.0 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 90.0 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"9f7d213a85aa4b014056c6e171de1aa437ff34b5e4ed9857149a298e40341b5d","version":10},{"created_at":"2026-06-04T04:52:36Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 75.2→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"6b745f5e91c16258f7260ff1885a71287e1cdce8250c95d179941592e5000640","version":9},{"created_at":"2026-06-04T04:52:36Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"b701018ddb3da044f607713c820e7f335c77c94d28a122bb564e2025f9cf5166","version":8}]}