{"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-w18r5bgj","versions":[{"created_at":"2026-06-04T17:01:07Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.7->98.7)","saved_by":"editor","sha256":"3fe7690005ba7142791f85544e1c7e908d52aeaf58eccf88e576f92dab4e3896","version":11},{"created_at":"2026-06-04T05:53:56Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.7→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"7fa4c3ec5e66286c7ef51068cc833e9416b637e14be8b55132928abe471f4c0a","version":10},{"created_at":"2026-06-04T04:55:00Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 63.8→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c287927dad12ea2903bbd001524061ec2b0de463fe0f65d5b2f6677ef253c102","version":9},{"created_at":"2026-06-04T04:55:00Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e09fbc4560c1f88040c3b11d0d83961cdb0c64be4cb20acbdf74f93451101cb7","version":8}]}