{"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-4myt4ng7","versions":[{"created_at":"2026-06-04T17:01:39Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"72bbbf79f3f49fbab55931b25d73df94c8af89c96db4c3a837102dfb221cb3e9","version":11},{"created_at":"2026-06-04T05:53:00Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.4 (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 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"c85bd7e055db82b48bca6ca4efa808cef61d7a67de99af4e16a93bacdd2b2a2f","version":10},{"created_at":"2026-06-04T04:55:48Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 59.2→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":"89845ec6326d6485af51c39663a4422f10e62259d5019a768f7a51a75b75684b","version":9},{"created_at":"2026-06-04T04:55:48Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ce5945d04766eccaba8d06cd44fb2ca2399e15113a44476bb12e784a7904f151","version":8}]}