{"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-fki3q8c2","versions":[{"created_at":"2026-06-04T17:00:44Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.7->98.9)","saved_by":"editor","sha256":"893885df5bf2c06c99774a679c18c26af4e4cf7e0aa75e66020fa324e58543aa","version":11},{"created_at":"2026-06-04T05:54:42Z","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":"f2a983a5fa1ec9ddbc8617790184777f6b75dd4c6f19c90fca3ba2ec26fdf4a9","version":10},{"created_at":"2026-06-04T04:56:32Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 53.9→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":"6d725626feb00e416b2ca36ebc5f20a0212a753145058b4543738fd9b0c59dce","version":9},{"created_at":"2026-06-04T04:56:32Z","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":8}]}