async def check_file_exists(self, sync_id: UUID, entity_id: str) -> bool:
        """Check if a file exists in storage.

        Args:
            sync_id: Sync ID
            entity_id: Entity ID

        Returns:
            True if file exists in storage
        """
        blob_name = self._get_blob_name(sync_id, entity_id)
        exists = await self.client.file_exists(self.container_name, blob_name)

        if exists:
            logger.info(
                "File exists in storage",
                extra={"sync_id": str(sync_id), "entity_id": entity_id, "blob_name": blob_name},
            )

        return exists
Check if a file exists in storage.

        Args:
            sync_id: Sync ID
            entity_id: Entity ID

        Returns:
            True if file exists in storage
        
backend/airweave/platform/storage/storage_manager.py