{"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-v4t0ift0","versions":[{"created_at":"2026-06-04T05:53:53Z","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":"832dacbb33f5c9e14da791c013347292b14f74a277a52eb3a22640f79fd561f2","version":10},{"created_at":"2026-06-04T04:57:16Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 47.7→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":"c22073925adff0755faff6eb5baf213df11c6713df81dacdc45acd308b72a141","version":9},{"created_at":"2026-06-04T04:57:15Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"19e880be665049f4fca4cd1e4e4721b40e9b0159d25e26de54cf5ed315581d30","version":8}]}