{"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-kiri-52edue7g","versions":[{"created_at":"2026-06-04T05:50:43Z","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":"24025d64f44b2efa5386f087f65bfec6db01d5dabe4be6668f225c02fb76689e","version":10},{"created_at":"2026-06-04T04:58:37Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 42.4→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":"affc5cf28fb6251962a29067171773e7f15eac16ff62c05f0d905528a99b8a4f","version":9},{"created_at":"2026-06-04T04:58:37Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"36b3074e20b6992f12fedd4b9c72fb45cdb550efdcd27b03290495c71135f71d","version":8}]}