async def check_ctti_file_exists(self, entity_id: str) -> bool:
        """Check if a CTTI file exists in the global aactmarkdowns container.

        Args:
            entity_id: Entity ID (will be used as filename)

        Returns:
            True if file exists
        """
        # Clean entity_id to create safe filename
        safe_filename = entity_id.replace(":", "_").replace("/", "_") + ".md"

        exists = await self.client.file_exists("aactmarkdowns", safe_filename)

        if exists:
            logger.info(
                "CTTI file exists in global storage",
                extra={
                    "entity_id": entity_id,
                    "blob_name": safe_filename,
                    "container": "aactmarkdowns",
                },
            )

        return exists
Check if a CTTI file exists in the global aactmarkdowns container.

        Args:
            entity_id: Entity ID (will be used as filename)

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