{"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-jhaa4nal","versions":[{"created_at":"2026-06-04T16:59:57Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (91.2->100.0)","saved_by":"editor","sha256":"d1f9c2660ab1477e516ead9837e24b9a613905bfe5c97ad9e74e34ed2b820dea","version":11},{"created_at":"2026-06-04T05:55:32Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.0→91.2 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 91.2 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"c95b52b89f19fbfe9ff3f5a01b321586bfc124d365206bde3b390cef2d525eb4","version":10},{"created_at":"2026-06-04T04:53:30Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 70.0→93.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.0 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"df560cf6d02371994a178475cf7f0c69e0eb8b46035ddd424c2360952e20bf5b","version":9},{"created_at":"2026-06-04T04:53:30Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1fda697f8c65e9944dece3283584f88f05a504ab2e8c5138531adbbb7f9c7df8","version":8}]}