{"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-izuddyai","versions":[{"created_at":"2026-06-04T05:49:56Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.6→99.6 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"e865a7d274a3eca1d70bdac35acaa6d9979f3dd930a67768e00080ac8912e13a","version":4},{"created_at":"2026-06-04T04:58:07Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 45.3→99.6 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"63e1f4690b53b3a6af14326cdc38af86339e4e2560c6d6e00cdfc5302b80c9bc","version":3},{"created_at":"2026-06-04T04:58:07Z","element_count":52,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"920e447e4879cf24d5a18db454b46bb547f78f312f37decbe54a9021156599dc","version":2}]}