{"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-8emli4ww","versions":[{"created_at":"2026-06-04T17:01:40Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (90.6->94.8)","saved_by":"editor","sha256":"22b73945a60842eb6cf32bad2f61862a93833f37a374c77c9b88639bcc127f35","version":11},{"created_at":"2026-06-04T05:56:10Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 90.6→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"bc0cf2f68572b9cc24c27a4fa6566b54cb32e673a899b5cb781e0339cfbc5571","version":10},{"created_at":"2026-06-04T04:58:16Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 44.9→90.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.6 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"ce648da2962158d3bae2a560676dfee0f4597aec613fd37e234001d8017f79e6","version":9},{"created_at":"2026-06-04T04:58:16Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"666d13dff9f4752aef9c3cb2f48022b760fe4de7426fec651366c8cd96738a28","version":8}]}