{"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-95bix20o","versions":[{"created_at":"2026-06-04T05:49:53Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.7→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"30bed82f5380a97676eb9aac6229d2b02e4a7bab36cef10c560882dda5517b9f","version":10},{"created_at":"2026-06-04T04:53:49Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 68.7→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"46d4194fc5fc5f879f38a22b9914fb0c5d6968ad7c34bc2c47f1e63f0ffdd2e0","version":9},{"created_at":"2026-06-04T04:53:49Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"aa7d50b05f779b287c8f1f7d31a465526586ecc37bb1e2ce246d630be9833aff","version":8}]}