{"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-s03ovh52","versions":[{"created_at":"2026-06-04T17:00:41Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->99.0)","saved_by":"editor","sha256":"ec03709f86d3615767e4b57b9b806c6a4d21a9cd3eb07524e605dbffc0c0c42d","version":11},{"created_at":"2026-06-04T05:50:28Z","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":"2a6e544cec621d2ba948b388f54314fbc6e37a7d8a53de2019ec86b9c4f9d97f","version":10},{"created_at":"2026-06-04T04:53:34Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 69.9→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":"6320d92e0182263f10e3251c4ef838d0e0af7b87a0fb75a6f376ca08b7bcc18f","version":9},{"created_at":"2026-06-04T04:53:34Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"6dd4eab03b6f5c3801177ef5210340fcbd53a8e23a1f2d5754c0e5f2ab913e66","version":8}]}