{"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-kz03nhzn","versions":[{"created_at":"2026-06-04T05:52:08Z","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":"3c9bc4f1aaa0281b0234031f0767d88ffa4baa955cfa528d3c57e5c5a874f46f","version":10},{"created_at":"2026-06-04T04:58:05Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 45.4→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":"633aa5e43ffa0943f12572d1081b733d1d46f28eb0e2eaa35f83f8e686594800","version":9},{"created_at":"2026-06-04T04:58:05Z","element_count":51,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8413da379ef5db9e06daa85a7370fe9c44135aadb5c32cdb812e753b234d1042","version":8}]}