{"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-3t9rh1xn","versions":[{"created_at":"2026-06-04T17:00:45Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.5->98.6)","saved_by":"editor","sha256":"5d1bc502afce7300e3bb0371f954cbe737bf34c8ebc87ac2248483349feb51d0","version":11},{"created_at":"2026-06-04T05:55:18Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.5→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"aa8d3478202c9dc1f375d00e4a0099bf700456b3b2681a1f675954e93e1bf66e","version":10},{"created_at":"2026-06-04T04:57:02Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 48.7→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b314529498ce3bc8a4fe0e398f43bd1633665cdd6978287307d64267cdbd4a47","version":9},{"created_at":"2026-06-04T04:57:02Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"2bbd29480483997169640687e40015144e3405472c4c03871628a425a991b385","version":8}]}