{"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-o9x9v65z","versions":[{"created_at":"2026-06-04T17:00:38Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"21641a1c8c23486dec4b4a54fb212aa0dd0be5565ad6d5f08b0c3bbaa6a6dd0a","version":11},{"created_at":"2026-06-04T05:53:17Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.4 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"2d8ad8e9cd6879bd7909669baa4f7a70184d04d19570098ae3d55fca583051bd","version":10},{"created_at":"2026-06-04T04:55:10Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 62.8→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"6c3f91e4aa41c4fdbc52ef3bab7738bb1ca71cf37a392ab35e649d2e9a9b646b","version":9},{"created_at":"2026-06-04T04:55:09Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d8493e21a86bc34b2983e61fef7324bdbf268eb35416a714c1b3766e42ea8d3f","version":8}]}