{"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-8oj81gcv","versions":[{"created_at":"2026-06-04T16:59:57Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.0->99.5)","saved_by":"editor","sha256":"15b27d9f789f79e289c62d5fcf24f27d12cd4a181a07177359520bbeede0dfee","version":12},{"created_at":"2026-06-04T14:56:59Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.8->91.0)","saved_by":"editor","sha256":"2f1726987477d79410919696f50f922be627c2195fbe83bc5cf5bf09438901a4","version":11},{"created_at":"2026-06-04T05:55:23Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.3→90.8 (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 90.8 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"fa10bcfffbcfc2e192868d19ffa06f141eec9a8d46cedbd009aa1e5ca386897e","version":10},{"created_at":"2026-06-04T04:54:00Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 67.9→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":"7c94b494be2b627e8178c8527812197eacbed0c82fdd932904df919047445bac","version":9},{"created_at":"2026-06-04T04:54:00Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"b46083162d4b0507b57cd3e0b08eabf6c3fe7da2e948d1794916c65798c6bcea","version":8}]}