{"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-5fn70zdf","versions":[{"created_at":"2026-06-04T14:57:00Z","element_count":98,"note":"polish: batch-improve-100 2026-06-04 (99.0->99.5)","saved_by":"editor","sha256":"a27924550510a9ac6ffb91c04f87a9886dbd0b4481825659001cea1a59a6238b","version":11},{"created_at":"2026-06-04T05:50:36Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→99.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.0 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"fc9e6eb4a23ae84099a3290d6ef7e27b4a5764bb03ea0e8c633237216828b0ab","version":10},{"created_at":"2026-06-04T04:53:53Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 68.4→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":"32f96fc885a0df2738e1a4b4761711d15dcccf1f01bec7c060cc0e28920d432a","version":9},{"created_at":"2026-06-04T04:53:53Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5f49beb413ca465ab2c3368e0ef785be977f68c66ab45691822d1b9aa73feff3","version":8}]}