{"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-4uxgo5m7","versions":[{"created_at":"2026-06-04T07:22:08Z","element_count":98,"note":"GA polish 2026-06-04: 総合 97.0→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":"b193e526536ac31b9304115edc1cb56f6150b6ce223f0862c7e08feecab43109","version":11},{"created_at":"2026-06-04T05:50:01Z","element_count":101,"note":"GA diverse re-design 2026-06-04: 総合 99.5→97.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.0 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"02941299c7ef4c6a9b87b67aec97b4107316a4bad664182325d3c74af96aa55b","version":10},{"created_at":"2026-06-04T04:53:51Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 68.5→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":"43b363deaf77217a1fcd80696c825769f557754bdb5de8679277902e512d7f7a","version":9},{"created_at":"2026-06-04T04:53:51Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"3ea6c8c7c44061fcf4f0c520abe6454105c5e5e0730365c7390923c0516555a5","version":8}]}