{"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-cuyjbp67","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":"f1c8cc1abdbe6f9d6450b95bd00005a12d28c43cfaf756654ed469fc0cb52b83","version":11},{"created_at":"2026-06-04T05:50:23Z","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":"b3a3ab67cb8293e4f7442bafa001793597c9079e6b5443e5ced1fbfdc6f0f020","version":10},{"created_at":"2026-06-04T04:52:59Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 73.1→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":"53264665cff61cfb0f14db71225dde22099eaf9818ec521025d70f2a352d2c93","version":9},{"created_at":"2026-06-04T04:52:59Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"80c9096075b97bbc4e7944bab760f01e4d7a9d5cf810d048322fd89a203154ad","version":8}]}