{"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-uhucyyzi","versions":[{"created_at":"2026-06-04T16:59:43Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.5->99.6)","saved_by":"editor","sha256":"26ba4a55e6ca320ccd1ac1b8750072c8b5b80a9636768fabe8b55b59fb7bad32","version":11},{"created_at":"2026-06-04T05:53:33Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.5→94.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"314327e060814464311211a7003fba6d1be260f8bf603b58675351a60d738389","version":10},{"created_at":"2026-06-04T04:59:19Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 37.1→94.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"ed7723d3f3cceff95dfc7969a00189c5a100fc0d5bab0627d50748ee88d60fb3","version":9},{"created_at":"2026-06-04T04:59:19Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"b48a15b44387f743e893641d5bab9912833b597f3ef4cb038db96244a6ee3ff5","version":8}]}