{"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-cgrwx625","versions":[{"created_at":"2026-06-04T17:00:57Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (96.4->97.6)","saved_by":"editor","sha256":"e7fa5b0bb0ca97b05fea40287a7e69a14cf65d4e37e8b809c6cd9f9dab5e79b1","version":13},{"created_at":"2026-06-04T15:25:58Z","element_count":72,"note":"polish: batch-improve-100 2026-06-04 (96.3->96.4)","saved_by":"editor","sha256":"db9711e89cac69014170899dfc5078ad8b6764308ad12d40c2c9e44096f2ca27","version":12},{"created_at":"2026-06-04T15:25:01Z","element_count":72,"note":"polish: batch-improve-100 2026-06-04 (96.3->96.4)","saved_by":"editor","sha256":"db9711e89cac69014170899dfc5078ad8b6764308ad12d40c2c9e44096f2ca27","version":11},{"created_at":"2026-06-04T05:51:00Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 99.3→96.3 (総2階(箱)・吹抜 ピアノ室 PV 雨水 南面サンルーム / 適応度 96.3 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"2888b194d0791e14476c8b6736e9a46ea5fd1e790a600cac98b9457ea77c2510","version":10},{"created_at":"2026-06-04T04:53:06Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 71.9→99.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"082e5822900fc3ccd7ad7a3214d9e6cb7aad8d598adc8c22382214ea267906aa","version":9},{"created_at":"2026-06-04T04:53:06Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"087a7ad723d40d953b7aa092b8dec2d9e1d92674ea795f531d1a0c36cda770eb","version":8}]}