{"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-vuv7xeki","versions":[{"created_at":"2026-06-04T05:53:05Z","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":"2026-06-04T04:56:14Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 56.8→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":"a78447f5ce2add6c93e907da0bcd97cffa94156d6b019e47de4618de1c9c9665","version":9},{"created_at":"2026-06-04T04:56:14Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"eb856df873ecb8a8208c46a0d3165e931b0c1ef5c5e0361f57ea8cf1a0ea66e5","version":8}]}