{"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-0kghqrds","versions":[{"created_at":"2026-06-04T07:22:10Z","element_count":99,"note":"GA polish 2026-06-04: 総合 96.9→98.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.5 (美 99 環 99 楽 100))","saved_by":"editor","sha256":"d3d99f1e72d1d7a81ed43c6daaf0f41236e36ffe7933509098ed3d0f5c5469ee","version":11},{"created_at":"2026-06-04T05:51:32Z","element_count":102,"note":"GA diverse re-design 2026-06-04: 総合 98.2→96.9 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 96.9 (美 94 環 99 楽 100))","saved_by":"editor","sha256":"dfbf79065fa167543537c38d0ae7be618704f58dc136f992d3b7b87634cd8434","version":10},{"created_at":"2026-06-04T04:52:12Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 80.4→98.2 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 98.2 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"60deb11cc7c2fea2559525b57f46ff4f38ffcfd5357340b70a8a06178f90e6fe","version":9},{"created_at":"2026-06-04T04:52:12Z","element_count":44,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"90c4eeed107d1bfc0ea0b882665f1c1715b34fd399d6a9dea1cdfe8b7cbe4dae","version":8}]}