{"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-ea3ogw6t","versions":[{"created_at":"2026-06-04T17:00:21Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.7->98.9)","saved_by":"editor","sha256":"8ad4a108db1458226d47e9d55696f9d4e86708aa11ce93b0a7319b8dd1e4436c","version":11},{"created_at":"2026-06-04T05:53:58Z","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":"678ff0a76ddf0b29b0ac697b45fcf2c590ca5152ba41be58fa935422b7c0e5a5","version":10},{"created_at":"2026-06-04T04:56:27Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 54.7→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":"cc93b72ec97f6e441e729b146d7bfc6d1e6cd3129cdaf415d0fc93ca59bc81d0","version":9},{"created_at":"2026-06-04T04:56:27Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f20747ee7536c28f0672fd588b758bf4def07721cfc9a2f765c5d0641be3ca50","version":8}]}