{"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-v57kj595","versions":[{"created_at":"2026-06-04T17:00:39Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.4->99.7)","saved_by":"editor","sha256":"32b74aed0b0d5be524b39dca68523967d1f499e0efbe853d86fa68cd06942405","version":12},{"created_at":"2026-06-04T14:56:59Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.9->91.4)","saved_by":"editor","sha256":"ec90211179c923fa49b4ab241bb44fca0b8a03c688ce0b5fac75c82cb0101600","version":11},{"created_at":"2026-06-04T05:55:20Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 93.3→90.9 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 90.9 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"e1073ab962bf460a4aae07bb2b31d328d86371fd21ec788267cac6509ddea08a","version":10},{"created_at":"2026-06-04T04:57:26Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 47.0→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":"6d0c1c3ddf1cd27b21fed590fe042de56a9a6497cd193d89d8aa897a75aada90","version":9},{"created_at":"2026-06-04T04:57:26Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"95c8df1e691136107838f40a8c1b48567da794edee76a40d692e3d369f921d38","version":8}]}