{"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-rkhbg4wg","versions":[{"created_at":"2026-06-04T16:59:53Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.7->98.9)","saved_by":"editor","sha256":"97822b6b6ddcbd9ea1ed6fc5114b7d7b2a1dab7a400d8ef02709a25c39742580","version":11},{"created_at":"2026-06-04T05:53:58Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.7→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"27e37e5457c49cab4900ed3f269ec91123844662225e6376fb62885b3c45bb3e","version":10},{"created_at":"2026-06-04T04:58:51Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 39.0→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"6be1e9eff9a9b9021a4017d2f6e2dc82c869d84d2a5f21f8a2318fc3e3664dd6","version":9},{"created_at":"2026-06-04T04:58:51Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0134d6203b51f2a442132ea28c9f1dbe9e035f92847853c050363bb543feafe4","version":8}]}