{"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-g0ldk-xx2wx8mw","versions":[{"created_at":"2026-06-04T17:00:35Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"064e630ad8a542944eb857ff2e1c0e3a75c493d1fc145deef0b89def972bcb61","version":5},{"created_at":"2026-06-04T05:52:27Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"43e760f3cabf230f221312d13fc7670b5b3c07a5bbd13c6c0290ce561eeb8cc8","version":4},{"created_at":"2026-06-04T04:55:26Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 61.5→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b6af749ba928cb8d45fa69a95de17fc382418770419c8b355ac039f1da4d2097","version":3},{"created_at":"2026-06-04T04:55:26Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"7233fafbade11acc4c379b92986c9b11c1e704c616fdb9dc389b6305ba537f6e","version":2}]}