{"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-chqltcx8","versions":[{"created_at":"2026-06-04T17:00:51Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.7->98.9)","saved_by":"editor","sha256":"5f9caea4f2c1c8c48f03e901377091e43063a8489dd976444ade0520c9f997f2","version":11},{"created_at":"2026-06-04T05:53:57Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.7→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"7c3f86e6d3cc1122d337df463d84d44e346403780acb3f41759a8c27cf6c21fb","version":10},{"created_at":"2026-06-04T04:58:48Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 39.1→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d17494d2fe93eb78eed9357f29bc29add2cbcc25886754451a9f4aec660c527c","version":9},{"created_at":"2026-06-04T04:58:48Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"2a95fce66c88ecb387290294519a63c971ac598d439d33c5ad7262bed3530647","version":8}]}