{"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-zlds44ig","versions":[{"created_at":"2026-06-04T16:59:48Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.7->99.1)","saved_by":"editor","sha256":"bed74df9ba59d71663740ebe8386d674c8d6be64f9125ffa1c7bf927f4641c38","version":11},{"created_at":"2026-06-04T05:49:27Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 100.0→90.7 (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 90.7 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"d5471faecc7d0be65e6100dcba339de5622d2b1187f9cec7cc3adf25e1bad689","version":10},{"created_at":"2026-06-04T04:57:37Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 46.5→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"feb797deb99217816948bdf262360c70ad5239eb826cab97c8f47eb36021b41b","version":9},{"created_at":"2026-06-04T04:57:37Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"609a47959e4e239f2a34b9e2c457d0590c88f5e685d7938648f0a244beaa0739","version":8}]}