{"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-vqmqu7rj","versions":[{"created_at":"2026-06-04T17:01:35Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (94.6->100.0)","saved_by":"editor","sha256":"bcb32934c988a8655fd99835230089927e9532b08f0eb9b57c88250388509ca4","version":11},{"created_at":"2026-06-04T05:54:47Z","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":"2026-06-04T04:56:45Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 51.2→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":"a1b45dc303c44587d9161c1055cbf93ade641e56e191641c62e716c6083250b4","version":9},{"created_at":"2026-06-04T04:56:45Z","element_count":17,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8f512a21792fcfcdb7276de22421c1fbc9464e57f29bca86d84d95a2ad2fa959","version":8}]}