{"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-nikyoten-h8r07f7o","versions":[{"created_at":"2026-06-04T05:52:10Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 96.9→96.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 96.9 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"489e920733608015602d924659556825b17c8b5d40aee8d3070cd6370b66981b","version":10},{"created_at":"2026-06-04T04:59:32Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 35.0→96.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 96.9 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"286993595ae2a912549ab157c01761cd15c74ffebb1f0d120685ea4700ae91e2","version":9},{"created_at":"2026-06-04T04:59:32Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5512d9f606b2abfe54cdddce7a40caf26f3609c394fec19c59309b3138f21e39","version":8}]}