{"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-5xtrhg09","versions":[{"created_at":"2026-06-04T17:01:01Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"90d9accfbf5855ee797b4a3e3f204dc32b2188f34fe050de015c7dff9d3864a3","version":11},{"created_at":"2026-06-04T05:53:09Z","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":"f274f7cf4ffd8e39bf93b54a2f0bfed794479d30194f68bdf0f01f7e0028e310","version":10},{"created_at":"2026-06-04T04:55:34Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 60.8→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":"724c0e148a1b817116141eac7fe04d006df8d350678c08d28f7f8545a466fc03","version":9},{"created_at":"2026-06-04T04:55:34Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"9700e9a28b7a4ffb09ee1856927aeafdb9bf56187529fe1147f11842867c084a","version":8}]}