{"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-2-ktaj7xhc","versions":[{"created_at":"2026-06-04T16:59:37Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.8->99.8)","saved_by":"editor","sha256":"17287e6507d745e584de761c3f00fe51d0a6bae67726add9d60e1bfe95ad7498","version":12},{"created_at":"2026-06-04T14:56:51Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.6->90.8)","saved_by":"editor","sha256":"2e75d19b691f2ba1acec4b16e4850327d9ee3af5c033f54320abdec238a2e16d","version":11},{"created_at":"2026-06-04T05:49:31Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 100.0→90.6 (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 90.6 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"c73047b006890f6a51742371a24b43fbc40980148e7ffbd51be37c52a1ffa6a6","version":10},{"created_at":"2026-06-04T04:52:39Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 75.1→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"fe9976d8ba6150e121a7353aae898f57e9c3f5d323a2c2d23eea5c8fe4602553","version":9},{"created_at":"2026-06-04T04:52:39Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8c606e62f3e21e263f9d0dd14e405c22d0dbb3793f95dd25466b700ddede1c47","version":8}]}