{"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-7i32zl7g","versions":[{"created_at":"2026-06-04T17:01:05Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"e6489de16ce90f4eec2ddd2728c02a7625d7002850d25d14032cd4b36dbbcd94","version":11},{"created_at":"2026-06-04T05:52:34Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→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":"c8f649aa11326936fb49b2c9085ca0066659eadc865e44c00de3ad43855bc49a","version":10},{"created_at":"2026-06-04T04:56:55Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 49.4→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":"bacfa5485e0f3f038bbbf45e8463b5aaad39759e93853489bc10df014d786fb9","version":9},{"created_at":"2026-06-04T04:56:55Z","element_count":16,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"507654f027c0ba9bc90c8ee9aea5f8e7a8ec1a7e90a365519fb007def8cf1af9","version":8}]}