{"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-g0-ddqnkjv0","versions":[{"created_at":"2026-06-04T05:52:04Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 97.0→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":"6a107f4970e982139c11f8f272d9c202c0e27d1c0d31fb6a7122be61361dc308","version":4},{"created_at":"2026-06-04T04:54:01Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 67.8→97.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.0 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"61adce1a5d7e011af039c0b160dc5a004369641db3a5e5b2020dfa45abba93d9","version":3},{"created_at":"2026-06-04T04:54:01Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f854267349fe21e8ec9116e8fb88811289474f3877e1ac3832e2de689a76bc98","version":2}]}