{"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-zoz8o8uo","versions":[{"created_at":"2026-06-04T05:50:39Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→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":"c4b0ccc8664c46c10adba5cff6597769f37be44922ec9d3c1e186fce0556ab3e","version":10},{"created_at":"2026-06-04T04:54:09Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 67.2→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":"68cbb00abf2767b6dc9693f5a898109165972a43fa6b972c3b9935d242615818","version":9},{"created_at":"2026-06-04T04:54:09Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e650bd244ba18b92a5c0d9ba4af1ab7677304728e9e4d6489c6e82faf856287e","version":8}]}