{"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-vnwhpgx8","versions":[{"created_at":"2026-06-04T17:01:10Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.0->96.2)","saved_by":"editor","sha256":"0555a13795dc1f472f1373b4bc4c5d6f7dbe91fa578ddcded61de79392e30907","version":12},{"created_at":"2026-06-04T06:04:30Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 88.7→91.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.0 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"372b4dab3de9a9f7cbf4e5f2a9235747048c3fff2985b32b89354e385e46bfbf","version":11},{"created_at":"2026-06-04T05:56:14Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 90.3→88.7 (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 88.7 (美 96 環 98 楽 91))","saved_by":"editor","sha256":"87bbd3fb6e317e4fd64204dae1184d0274a6996fd498427bb28d85f1381609f7","version":10},{"created_at":"2026-06-04T04:55:38Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 60.5→90.3 (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 90.3 (美 94 環 98 楽 100))","saved_by":"editor","sha256":"38d61c6cb5fc54d2d1a336bfb26a59beef2194a4c182cb4f2e9b00c9754d2bb1","version":9},{"created_at":"2026-06-04T04:55:38Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"9192093f3901a189a0a94e77bd791d6245a497c55387158846a6cdc02e0f9ec9","version":8}]}