{"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-xyalj3a6","versions":[{"created_at":"2026-06-04T17:01:32Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.7->98.5)","saved_by":"editor","sha256":"a01139f6dcaf5042a9cb5d4400283c4d1862a611b3f4c75b949b87526df7cda9","version":13},{"created_at":"2026-06-04T15:26:01Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.6->90.7)","saved_by":"editor","sha256":"146d33c2f0954af95e13eb2c1db44fd6b7f6453deac650f5836a20fd8e0fb94d","version":12},{"created_at":"2026-06-04T15:25:04Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.6->90.7)","saved_by":"editor","sha256":"146d33c2f0954af95e13eb2c1db44fd6b7f6453deac650f5836a20fd8e0fb94d","version":11},{"created_at":"2026-06-04T05:51:33Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 98.1→90.6 (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 90.6 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"219ea07cf42639bd359e5075f35a9366780ad31a5ece74e0676df9b5a4878b34","version":10},{"created_at":"2026-06-04T04:54:11Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 67.2→98.1 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 98.1 (美 95 環 100 楽 100))","saved_by":"editor","sha256":"3af8cdc614a97151e94099c33589d03c8707782830371c9ffc3fb38b21ea6ff3","version":9},{"created_at":"2026-06-04T04:54:11Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e50f02d0a5c049f6d53c71cbc2a343e4528fda8f84215179362f4543185d7a83","version":8}]}