async def file_exists(self, container_name: str, blob_name: str) -> bool:
        """Check if a file exists in Azure Blob Storage.

        Args:
            container_name: Name of the container
            blob_name: Name of the blob

        Returns:
            True if the blob exists
        """
        try:
            container_client = self.client.get_container_client(container_name)
            blob_client = container_client.get_blob_client(blob_name)
            return blob_client.exists()
        except Exception as e:
            logger.with_context(
                container=container_name,
                blob=blob_name,
            ).error(f"Failed to check blob existence: {e}")
            return False
Check if a file exists in Azure Blob Storage.

        Args:
            container_name: Name of the container
            blob_name: Name of the blob

        Returns:
            True if the blob exists
        
backend/airweave/platform/storage/storage_client.py