{"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-ky8u5acp","versions":[{"created_at":"2026-06-04T17:01:28Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"7908e54bb208face1d5d11f012e52849c2bd6ef60354325fdaa093613e971b73","version":11},{"created_at":"2026-06-04T05:53:32Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.5→92.4 (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 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"3136869a9f20c9efa7ac5d4fbd03c82104a5620e6da0cc0a2a5b5f07eb4babd5","version":10},{"created_at":"2026-06-04T04:57:05Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 48.6→94.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d8a88a121f11f00c06dc93a0ec41f548daa6c17555f7cb665f19f978671e4c53","version":9},{"created_at":"2026-06-04T04:57:05Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ed4236a48dc725eb8ea46c4b3c567e0affd9dd7a14546368b8139ccdcfacd893","version":8}]}