{"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-3j233xry","versions":[{"created_at":"2026-06-04T05:50:03Z","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":"bb8d85303b3aef584ce7676eaecfa0a28aa45f841981278917096a49f498bb41","version":10},{"created_at":"2026-06-04T04:59:33Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 34.7→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":"db09fe14cc9a63fb1d2f8202e49ceba4c55f73301516df9d5cb20968feb28763","version":9},{"created_at":"2026-06-04T04:59:33Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c641d355bc5c06d9e9df85ae32bde710667e9d312aa63d84211fa792b0783752","version":8}]}