{"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-sas00os8","versions":[{"created_at":"2026-06-04T17:01:37Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.6->97.9)","saved_by":"editor","sha256":"d4b084e0498c2e15576b20dc40e27806d59ff1c9f6b424b10e9ef8042c0cfcad","version":11},{"created_at":"2026-06-04T05:55:05Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.6→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"f27e6a7ad7698ac6c94bf80423dba2ed4a835a5a1caecdb971243ad5537e6c91","version":10},{"created_at":"2026-06-04T04:52:59Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 73.0→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"4e579a0d29e6b3293d6856bb025e5c3e2fd9f07a378c1d093d493e5cc2ea4b98","version":9},{"created_at":"2026-06-04T04:52:59Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ddd9f4c051d2a7e27fe6906ce09226bd840d2c266e77ffec025eb1e1ff5d53ec","version":8}]}