{"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-eg3d78vz","versions":[{"created_at":"2026-06-04T17:01:09Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"6040600d1c6aafbbf7234b038f4a85dcc3c1ef7c1dceea756cd4eba1d8425bc3","version":12},{"created_at":"2026-06-04T14:57:06Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.3->92.4)","saved_by":"editor","sha256":"447f75fc857e65160a2240e3b89decf2c8de0185c6cfa98af9a29c9d4431a441","version":11},{"created_at":"2026-06-04T05:54:56Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.6→92.3 (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 92.3 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"e5ed06956cdefa3e28b93a02f5b746e07ada9917c35b6e932998cdefdfdf9044","version":10},{"created_at":"2026-06-04T04:53:24Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 70.3→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"4e67b2af31e465bd6d2bda9f3774b3840f18c7b28b89507a67b22a939765c5b5","version":9},{"created_at":"2026-06-04T04:53:24Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"7f0137289ef77cd0d187098d32e78b0261f0d0a07ce6c7cc48e08496d6429c0e","version":8}]}