{"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-repnenfv","versions":[{"created_at":"2026-06-04T17:01:14Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (93.5->93.6)","saved_by":"editor","sha256":"5d7b5409c6f09088c102c27d323ddcbe767e761e92c922b08b973318b2abf8a4","version":11},{"created_at":"2026-06-04T05:55:16Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.5→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":"8a6110ec0aed3f54d699f5f4eea4ec7e19db186f64db83f0cd681377376b3f22","version":10},{"created_at":"2026-06-04T04:56:41Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 51.9→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":"31bfd06e451d2b6032b371ac418912781e80d248c3307c1393c1f836e6fed6b6","version":9},{"created_at":"2026-06-04T04:56:41Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"83455a1a4276fa9d42cc67c5515c74c24fa7fa3d038ace0e00475dc991a929d2","version":8}]}