{"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-c7vvdtc9","versions":[{"created_at":"2026-06-04T17:00:43Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"80242e2d0d7aacc18c78fa7f2ea27b86325127f1ce6681fb2bc60c59f2f3ca6d","version":11},{"created_at":"2026-06-04T05:54:50Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.6→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":"0263d8d0e43bc1d69988ea0f1828a79f412fddcf1a6efd4bce02dbbfb0d22d57","version":10},{"created_at":"2026-06-04T04:59:29Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 35.4→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"2ccfb21e93a3cfd572ff2832b68b630e076d5eb2ecadb6029a56042dbab03cf8","version":9},{"created_at":"2026-06-04T04:59:29Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"bda39386ab8fedb75090a555963532a9d88ed1e835271fae96fc6e89d28538ed","version":8}]}