{"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-g0-uwb5mk8y","versions":[{"created_at":"2026-06-04T16:59:22Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.7->98.9)","saved_by":"editor","sha256":"ff9c6e771bd42890c752427f5b4ce0d2d0895d0c82fab87e87cb1da32ce3db06","version":5},{"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":"15c3f97e722060d2ebcb28374b96cc344f698242ba39d5aae4fecea1bd27b0f4","version":4},{"created_at":"2026-06-04T04:55:53Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 58.9→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":"97151083fd2afc9293ae23d81d191a74f3f9575ca1e371a15861cc7f790bfe7d","version":3},{"created_at":"2026-06-04T04:55:53Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f20747ee7536c28f0672fd588b758bf4def07721cfc9a2f765c5d0641be3ca50","version":2}]}