{"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-5dafynu5","versions":[{"created_at":"2026-06-04T17:00:40Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.8->99.8)","saved_by":"editor","sha256":"2f24b6fe0f3c3a0cf8a0f2697d20ad58fd7734204b23f43c7d2bd150cd6cb208","version":11},{"created_at":"2026-06-04T05:49:30Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 100.0→90.8 (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 90.8 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"e2a5ff2d655d09318cb41e889fb353f9dd741439a88d789497a87217926404c8","version":10},{"created_at":"2026-06-04T04:53:32Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 69.9→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"e46f6f5487be538063552030e7501fb7e7ab86a67d8b322a22f33d2f118ef096","version":9},{"created_at":"2026-06-04T04:53:32Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"66ec4a8934b74f0a339c82e4d8eb8f98b6c82a479d503c845ba6c67a42c2c85f","version":8}]}