{"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-720lwrlh","versions":[{"created_at":"2026-06-04T17:01:28Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.5->98.6)","saved_by":"editor","sha256":"cf032bf20b87c2d1b7207e60f5ba8bc1987257f00730585e5675bb5c7f9965bf","version":11},{"created_at":"2026-06-04T05:55:18Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.5→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"cc4b76bd6a71fde6f205a227d90322b1b945ea87f000c7985c12117fa0f163f6","version":10},{"created_at":"2026-06-04T04:53:30Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 70.0→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"ec014de4c06460b466b65f3865e29da45c7bca687e8f4fd84905681b23a0887d","version":9},{"created_at":"2026-06-04T04:53:30Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1fda697f8c65e9944dece3283584f88f05a504ab2e8c5138531adbbb7f9c7df8","version":8}]}