{"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-5lode4in","versions":[{"created_at":"2026-06-04T16:59:20Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (96.0->97.0)","saved_by":"editor","sha256":"7852d847343d4a49231b904d3e5f936cf6da1f6b0fc78cecba29bad90362c75a","version":11},{"created_at":"2026-06-04T05:51:21Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 98.6→96.0 (総2階(箱)・吹抜 ピアノ室 PV 雨水 南面サンルーム / 適応度 96.0 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"06ff5fcbb14191e86fc80bccc6173e285729cb3dce9f115ca636eede0b56f1bf","version":10},{"created_at":"2026-06-04T04:54:40Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 65.7→98.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d1f37d7f0fbd503b7e783e7c946251c6bca017299c6779d61675857e2f297a49","version":9},{"created_at":"2026-06-04T04:54:40Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1b8a0358fb1a10c834ee60b82e0197e6bbe094d021beca116af0b0cecca3cb1f","version":8}]}