{"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-wjxrv29q","versions":[{"created_at":"2026-06-04T16:59:21Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (94.6->100.0)","saved_by":"editor","sha256":"e17eab793283668e385890bdba3751fdfab0e48a098ff9d96b0ee5ae76224018","version":11},{"created_at":"2026-06-04T05:53:13Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c8f649aa11326936fb49b2c9085ca0066659eadc865e44c00de3ad43855bc49a","version":10},{"created_at":"2026-06-04T04:59:29Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 35.4→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b6580878f081877f0ccff73dcb53e8ca5af8d0ea3f8d0428dcb86316a7d04960","version":9},{"created_at":"2026-06-04T04:59:29Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"36381b7d3642bddcb2b5184c67a26d2dc3b3dd826cc5f1c8762b292de2fb11a5","version":8}]}