{"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-k66az7i5","versions":[{"created_at":"2026-06-04T05:52:04Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 97.0→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c94f70a76bd1c2a2fdba2f762c78cd1d0fd2ed82000194fe0e07ee46d6df498a","version":10},{"created_at":"2026-06-04T04:57:27Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 46.9→97.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.0 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"41301c6bd794cb4b019a1cd6e827b5edc995fcf9d787f0485e1252c8193d39e5","version":9},{"created_at":"2026-06-04T04:57:27Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"caab4ced76b8a77f6ecdb95a482457dfb66e07afecb0709ebbc1608cf9efcb00","version":8}]}