{"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-qe2hetun","versions":[{"created_at":"2026-06-04T05:51:51Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 97.5→94.8 (総2階(箱)・吹抜 ピアノ室 PV 雨水 南面サンルーム / 適応度 94.8 (美 96 環 97 楽 91))","saved_by":"editor","sha256":"6623c59c260c714e90114cb8e55120b2cd9ff4c6d2b76440e04ea37e6afaf546","version":10},{"created_at":"2026-06-04T04:54:47Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 65.3→97.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 97.5 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"85c2d5efb745c69e6c58066a4967ebad9fff46ef82a62ac858899742e97243eb","version":9},{"created_at":"2026-06-04T04:54:47Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"21f2d356c6f21f76b76e2611fc50d900a2b28a36e6b4b41c38ad35bc4cbfe0ac","version":8}]}