{"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-tgdqxcu6","versions":[{"created_at":"2026-06-04T17:00:17Z","element_count":60,"note":"polish: batch-improve-100 2026-06-04 (90.1->94.5)","saved_by":"editor","sha256":"a62244921ba78c54f3b08c4eb9b21edbab455a2f94326bc883ae7cafc5459a36","version":11},{"created_at":"2026-06-04T05:50:25Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→90.1 (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 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"edb409d6940f1e43c9dcc65ff405f8b29401fa685cf322512ba2da4185cddc3b","version":10},{"created_at":"2026-06-04T04:52:46Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 74.5→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":"eff02cc0306aa63cb6539784bcf90637015382165272471d6e0f7d2a86d325f3","version":9},{"created_at":"2026-06-04T04:52:46Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a20eecbb742bea2f9a5624f2b9e2ba8c2368bdf59d3e2d2faf46f547b8d9422c","version":8}]}