{"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-2yajndo8","versions":[{"created_at":"2026-06-04T05:50:31Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→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":"d6e8b4b5efe78bc324dd5d25f22780716450191bb987e0df434d9dc75e61996f","version":10},{"created_at":"2026-06-04T04:55:02Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 63.7→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":"8ce98f5a863167d09f15a329520605da4b7eaf93c3951020864418c445b7ead0","version":9},{"created_at":"2026-06-04T04:55:02Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"288909b2f34679ed17b2063dadadab64155af2810e81385a69877b57ddb2dba7","version":8}]}