{"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-dpxq6xma","versions":[{"created_at":"2026-06-04T17:00:19Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.4)","saved_by":"editor","sha256":"cf30f8f1383ba569183cb7327ee0633299d9cf07ed3bee4c2456213bad4a5125","version":11},{"created_at":"2026-06-04T05:52:45Z","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":"2026-06-04T04:58:12Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 45.1→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":"d045893b47a13339a18f32939d85c8a9f485182a837e303e092d3d665a371aa9","version":9},{"created_at":"2026-06-04T04:58:12Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"df59f2e85bde6db8312db0f1e3e286541ecd888fe90e3b31c0d6152788ed400f","version":8}]}