{"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-l9f5z2zn","versions":[{"created_at":"2026-06-04T16:59:47Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.0->100.0)","saved_by":"editor","sha256":"6fef320183284dadabec1d1441a3b6004de73100f13d0b9c9b9b27ba2a2b19f8","version":11},{"created_at":"2026-06-04T05:53:48Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.0→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 95 環 100 楽 91))","saved_by":"editor","sha256":"3ef448c871e2ff77b373d8a6fdaeb21296deefbed4f58c8ff98c33560ed1c0af","version":10},{"created_at":"2026-06-04T04:52:42Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 74.9→94.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"08ac27b4ae3e74dc384ecf2548a32d1d2c2e314dbe139ad94ab45ffb459ee6e5","version":9},{"created_at":"2026-06-04T04:52:42Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"68f081041f1f94cf583055c470c2585593df105d0df7540c7bdf90592a4f0e19","version":8}]}