{"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-m4aj85yl","versions":[{"created_at":"2026-06-04T16:59:53Z","element_count":56,"note":"polish: batch-improve-100 2026-06-04 (93.5->93.6)","saved_by":"editor","sha256":"d52380188880f66f9a4064a07c4f51493d0b38c93c98ecc9bb30b737a50193da","version":11},{"created_at":"2026-06-04T05:55:18Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.5→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"1a6d67567f7a678e51dc0e69a39edff06fe6a9e16c21e373f9e51a27735a5d6e","version":10},{"created_at":"2026-06-04T04:54:38Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 65.8→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"f3e5834155f4b5df53f984daac7935a0db7e760d43a0fbe503b347761d7b41ed","version":9},{"created_at":"2026-06-04T04:54:38Z","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}]}