{"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-qh1i6q3r","versions":[{"created_at":"2026-06-04T17:01:39Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"b7eecbf438225cfd77b8cb7bb9513eb853595544b0086e39569ae871e7e912c5","version":11},{"created_at":"2026-06-04T05:52:58Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.4 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"d89d076612649ba8261b476ec3c5606c720aa20fb130d58d35bbdfd1ab9ce839","version":10},{"created_at":"2026-06-04T04:55:43Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 59.5→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":"aeea83660feeaf63f7eda40f1b58195a8136bb5f2d4739a7768a6ecdb3352f41","version":9},{"created_at":"2026-06-04T04:55:43Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"799db4fb9f70b7db364bb85d15f28c57790010c2c2b19c6d82d40c9633bb99d1","version":8}]}