{"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-esukwvie","versions":[{"created_at":"2026-06-04T17:00:51Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.7->98.9)","saved_by":"editor","sha256":"e199c6109d19d6c97e5a88967f6ec4e326bcc0d26a805f2859517f75533aa035","version":11},{"created_at":"2026-06-04T05:54:41Z","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":"ea52883f8046154f60c3ba965503eb22444f5b5981b4c294c4cb85747d61085f","version":10},{"created_at":"2026-06-04T04:55:59Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 58.5→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":"25cd877b180d8f391b99b77cad4b5cf859475f58d2f51c1e810fe301c7f8c35f","version":9},{"created_at":"2026-06-04T04:55:59Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"08d03501a772aeddbfeb3799bdf6eba768e631475608c0657165fe568ad71ab3","version":8}]}