{"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-8ht23dlo","versions":[{"created_at":"2026-06-04T16:59:30Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"66b851ce98a6bb86d29bf37de0bd8308b03ab965d11910cd13ee3984b3d0ff82","version":11},{"created_at":"2026-06-04T05:54:49Z","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":"2026-06-04T04:58:47Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 39.1→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":"1c5d48616a49b90f933b6ac2df5dc752340791ec6312654ea3b4f079fa6bd7ba","version":9},{"created_at":"2026-06-04T04:58:47Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4576cfd368277e7c3eb06924e7f22a37088f84f88346508867b8a085d65e4765","version":8}]}