{"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-2-kddzslgl","versions":[{"created_at":"2026-06-04T05:51:35Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 98.1→98.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"4f5b3f5bf76dcc489b72d1d2d3b6df8bdfbe49d3b77ddc27f97d649c67ec2682","version":10},{"created_at":"2026-06-04T04:58:38Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 42.2→98.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"b1a5fc284e9c29eb9c8ea2b7c8f0c327ae65494c3983d5ec566ea670e1eae6f3","version":9},{"created_at":"2026-06-04T04:58:38Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ba03a457828ad91e340609b9a10c978bcf00b4dd541334faf3f7b171e7e076d2","version":8}]}