{"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-it0c0js4","versions":[{"created_at":"2026-06-04T16:59:51Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"e6489de16ce90f4eec2ddd2728c02a7625d7002850d25d14032cd4b36dbbcd94","version":11},{"created_at":"2026-06-04T05:54:50Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.6→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":"b78753ab899b05b9ab710699b7972f3b6c862d8237644e02e580bd94d1a99b48","version":10},{"created_at":"2026-06-04T04:59:10Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 38.1→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"b99bcf87069e1f64b59cadfd055893b033f8c171050bdfaac03b42ce843aa212","version":9},{"created_at":"2026-06-04T04:59:10Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"778ba14fa968b81c4fead634539633f4979936dfabf5d25ceb874b117ab3d703","version":8}]}