{"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-nk4w0g1u","versions":[{"created_at":"2026-06-04T17:00:36Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.1->99.3)","saved_by":"editor","sha256":"fcd957b63d399dd2bb5917cb8399d56da98d1bdab1ce8888cf824e047fd1e5df","version":11},{"created_at":"2026-06-04T05:53:39Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.1→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"7d1aed46cc0eafeb2b807e3c9886c0fe760f3fb136f8525053810da56f73b15e","version":10},{"created_at":"2026-06-04T04:52:41Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 75.0→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"9f42f2dfdac14c20838983c6bfe1f696b49001aa8a7bdc374b5672cff1449d9c","version":9},{"created_at":"2026-06-04T04:52:41Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5c4dc54e3bf575d722d586381dbb1d1e3648d3b607fc8cac7c8d5087fb29f582","version":8}]}