{"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-j02h66wt","versions":[{"created_at":"2026-06-04T17:01:12Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"08284828491045f19165062cd7d567ca87f2e52d52e39862549c64136c390abc","version":11},{"created_at":"2026-06-04T05:52:34Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"f97e34bc5b0db354c4d51c3397e6fce50befcafac8b05f8ee9074f71d09fa6a4","version":10},{"created_at":"2026-06-04T04:56:02Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 58.0→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"50d3b8d6b1e36d0b171d3917278010eac19942cfcb358e0d4a0a26290f7f0e71","version":9},{"created_at":"2026-06-04T04:56:02Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"32192e1dd4879d332a9e349f2c19a768e3a06992737fd6d59abbbe22baf0d3b1","version":8}]}