{"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-l3ld8pxn","versions":[{"created_at":"2026-06-04T17:00:32Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.0->100.0)","saved_by":"editor","sha256":"76ea2e3f12d6baad1fe8b284c06eb608cfa98c2e3d9abf6874a4492cbceeeb02","version":11},{"created_at":"2026-06-04T05:53:49Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.0→92.0 (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 92.0 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"feef10b1b0d3f1933cd96f7033f883a7bcb9439c07373325de925ceb53f2ec5b","version":10},{"created_at":"2026-06-04T04:59:20Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 37.0→94.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"20b950ab6e58a7cce881eec600dde8f2bdd44dcb49278b09ddd27716834300e7","version":9},{"created_at":"2026-06-04T04:59:20Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"2e1d2cda8e9a2d90a6aa7dbe424617fffbbdbd7835fb653eb2b816d64938259a","version":8}]}