{"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-g3-ei3kfs1k","versions":[{"created_at":"2026-06-04T05:52:11Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 96.8→99.3 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"2e07147ef8a187f3762c66f4cf2fd76b2b94f2a3b5b9ce4411af8996d7dfd0d7","version":4},{"created_at":"2026-06-04T04:55:08Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 63.0→96.8 (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 96.8 (美 92 環 99 楽 100))","saved_by":"editor","sha256":"e4b7078a8ce1337a287ee01ec267b0c3b8bfbd7b3393924536b57b9134aadf65","version":3},{"created_at":"2026-06-04T04:55:08Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"55f0187eb4efc7bdb3fc1bd70cabe39a3a0e1d86dca3d7334af09b147049d91f","version":2}]}