{"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-ai-wey268i7","versions":[{"created_at":"2026-06-11T06:12:19Z","element_count":35,"note":"","saved_by":"editor","sha256":"3b3c5f4d11ea248f10bb1778bd718af4061bc389f6cca3b64fed4e8ae9a0f098","version":8},{"created_at":"2026-06-11T06:11:12Z","element_count":32,"note":"","saved_by":"editor","sha256":"d45fcf56a048cce135390e4aefc40adcb447c61a4dc9a360031cc7d0b3cca224","version":7},{"created_at":"2026-06-11T03:55:36Z","element_count":26,"note":"","saved_by":"editor","sha256":"a4cf73ce9e08768c128a687c055c8b34480ab8d6969a948bf207b4a0e70403c3","version":6},{"created_at":"2026-06-11T03:53:42Z","element_count":26,"note":"","saved_by":"editor","sha256":"626ca71b40934d49aa1756103397a2340a5259e69942ceaa60d115ba51f761ae","version":5},{"created_at":"2026-06-11T03:51:16Z","element_count":26,"note":"","saved_by":"editor","sha256":"91c5f272d484de85232274aacf8bb1b86e2554f73587e182b02bcfeb20d24799","version":4},{"created_at":"2026-06-11T03:50:10Z","element_count":26,"note":"","saved_by":"editor","sha256":"10b3332b9563437fbc41b704505c542ccba22b887e1c74d953f25ad6f88f0af1","version":3},{"created_at":"2026-06-11T03:45:50Z","element_count":39,"note":"","saved_by":"editor","sha256":"af031e06e37b0404358c3a6c4dcbee6ba63803dcac07d0aa3435763a98c0651f","version":2}]}