{"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-6ujne346","versions":[{"created_at":"2026-06-04T17:01:01Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.0->100.0)","saved_by":"editor","sha256":"d8b60431325328757dab28afc9b9942fc1e67845bc23da7e9a08737d32f2e4da","version":11},{"created_at":"2026-06-04T05:55:27Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.2→92.0 (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 92.0 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"5d9b3441db81a41a2fcd95731ffb439f9c9abd4bbd5aa2427d6fc8d015df3064","version":10},{"created_at":"2026-06-04T04:54:49Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 65.1→93.2 (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 93.2 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"42526d61ccb6f25387c9f86818ecb61712ef82168487c0d380acc3871ad87ca7","version":9},{"created_at":"2026-06-04T04:54:49Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c6cd25189886e0b1d51e0f74baa0c0c33edec6ffb36ff9cbcf73f4478273b78c","version":8}]}