{"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-vfkjkinl","versions":[{"created_at":"2026-06-04T17:01:07Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (93.7->93.8)","saved_by":"editor","sha256":"0d1d0262f9711c22f6ab64233e930358aa9a693cf97bef417c663305cb53ecf0","version":11},{"created_at":"2026-06-04T05:53:58Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.7→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"15c3f97e722060d2ebcb28374b96cc344f698242ba39d5aae4fecea1bd27b0f4","version":10},{"created_at":"2026-06-04T04:58:49Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 39.0→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"0ac962516fcafc3f40cd5ae544fc9748dfcc88ba13762486cc24635a5d33607c","version":9},{"created_at":"2026-06-04T04:58:49Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ea0048ff0f3bb1cd165431491118600cc2ffc628c1821bd0688638e5e2a9de8a","version":8}]}