{"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-sagvzwkr","versions":[{"created_at":"2026-06-04T17:01:29Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"ecf10abb31ae5b522c0e7ea288783fc02de0e0f838defa442efc4b8c302d40cc","version":12},{"created_at":"2026-06-04T14:57:03Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.0->92.4)","saved_by":"editor","sha256":"db2c8b8e6f5c01a216e03e61ea1c80db8d89744726f21e3208b3d646cd95ba13","version":11},{"created_at":"2026-06-04T05:52:58Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.0 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 92.0 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"4bc34c40334d2e1617ed2e409f937e00ee3f744a87bd43c35cc72b4b37cce3f1","version":10},{"created_at":"2026-06-04T04:59:05Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 38.5→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":"852465ba2fab5fbca5da89f0093601f63280c2f1ec29c8a95edc6b53a1b67e50","version":9},{"created_at":"2026-06-04T04:59:04Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5b137d554455448746810571d56ba60bee9248d68143e8987d6240b610be0c70","version":8}]}