{"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-cetviof6","versions":[{"created_at":"2026-06-04T05:49:42Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.8→99.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"329321095a04483f08e331b8379ebffb443911dc26f36d6fe9119ab7dd8a3306","version":10},{"created_at":"2026-06-04T04:57:40Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 46.4→99.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"fb2f76531336174eb751604ea1a89be224c19c9e2a4ade60420f42eb012a6208","version":9},{"created_at":"2026-06-04T04:57:40Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"01612b0f5a003428a562faa6edb00017ce003e453c6e81db298f0d15c5a4be24","version":8}]}