{"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-qx4srbou","versions":[{"created_at":"2026-06-04T17:00:56Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.5)","saved_by":"editor","sha256":"6386d266d90ac8e1d7d66a611c5c9e4b2c594fa9c86e5974c4d76f0d2db6a08b","version":11},{"created_at":"2026-06-04T05:50:17Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→90.1 (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 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"1d65d39b3f3b6cea8bf38a26bb0411296a62efbcba3d96dac5bc5900effeb390","version":10},{"created_at":"2026-06-04T04:54:57Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 64.3→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":"ce938569a3b37cd494284088eb08f2a1a66d0ac89ca4adb3d92fd98fae527ce4","version":9},{"created_at":"2026-06-04T04:54:56Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"9bc41adef30907abddfca2083a838b54fc2fa88c01acb0e830ba3dae92343c11","version":8}]}