{"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-mad2sgen","versions":[{"created_at":"2026-06-04T17:00:54Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (91.2->100.0)","saved_by":"editor","sha256":"101fe0f04a10f71e440ff4df44dced65ef6babde0f10e37ec142beda180b8a78","version":5},{"created_at":"2026-06-04T05:55:10Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.5→91.2 (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 91.2 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"049194ffb310249940e58d0ff28b2a9a73f072b2e354d1de3d4c6534eb7d411c","version":4},{"created_at":"2026-06-04T04:56:05Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 57.7→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"9e95f887f6082a950e5463a668f54460f9c6ad2180a43ad637f19469311fbe88","version":3},{"created_at":"2026-06-04T04:56:05Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"b0db96e92687567f09116c872c69dd79235963164bb64723d38a37b01841b88e","version":2}]}