{"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-rcezcfjr","versions":[{"created_at":"2026-06-04T17:01:08Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.1->97.8)","saved_by":"editor","sha256":"e1896474bc9c40e0130e39a8677e33dbb3a7387dc7debcacd4b64d6e7fcc02e8","version":11},{"created_at":"2026-06-04T05:55:29Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.1→93.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d10e75b3c88af1ceb0a10f4cef0b7a7be8cedfa1acf7d3a48abfc09a304f5e78","version":10},{"created_at":"2026-06-04T04:58:32Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 43.3→93.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c17ab2c222d72ae16299327930bc0ec21b5c13771ea3b2d8b6c4c41e19a7d1c9","version":9},{"created_at":"2026-06-04T04:58:32Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"6c328417338837db2dd6dccb451e1fc92647923a570270a8db22a8ee1b45203b","version":8}]}