{"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-9iux25zw","versions":[{"created_at":"2026-06-04T06:04:37Z","element_count":98,"note":"GA diverse final 2026-06-04: 総合 87.5→99.1 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"201d0ca588d1a29211f80851b4736513bfeb382ceabce58b21f439881763e18a","version":11},{"created_at":"2026-06-04T05:51:05Z","element_count":53,"note":"GA diverse re-design 2026-06-04: 総合 99.1→87.5 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 87.5 (美 93 環 95 楽 91))","saved_by":"editor","sha256":"dcc0db5c1ba0d1bb8d17158dc05a6b0793f041b37ba44a1a5e2da77e4947fbf0","version":10},{"created_at":"2026-06-04T04:54:27Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 66.3→99.1 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"1f2be3590b9d2960c1599638b728a50f4e22e367d3107544b128a83647b29087","version":9},{"created_at":"2026-06-04T04:54:27Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"addf3bdd232d190bc59db77db38e33b142890cb34d36ba74db5ddee5e4f8f8fa","version":8}]}