{"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-nyomv1gw","versions":[{"created_at":"2026-06-04T17:00:26Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (91.0->99.5)","saved_by":"editor","sha256":"e5f27191189ecaeb5e11a0b7225bba52f3ad32159bc6cfd354778984c0be9276","version":11},{"created_at":"2026-06-04T05:55:23Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.3→91.0 (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 91.0 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"a00a506a2774052eb5ece3af3755fc409547cf3657fa534d0036ce8922525739","version":10},{"created_at":"2026-06-04T04:52:49Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 74.3→93.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"5f71f9f4f1098f67572dc51d3a08f085466b7ee45727f71104d9125d59bfd52e","version":9},{"created_at":"2026-06-04T04:52:49Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"66e3f481eee9291ab937034004dbbdb56b0cf1db39db926e7a27813c9ff1eb57","version":8}]}