Update an existing AI Workflow Engine workflow.

This endpoint allows updating the configuration of an existing AWE workflow,
including its name, description, and step definitions.

Parameters:

• request: HTTP request object containing authentication information
• awe_uuid: UUID of the AWE workflow to update
• workflow: Updated workflow configuration
• workspace_uuid: Optional workspace UUID for context

Returns:

• Dictionary containing status, workflow UUID and updated name

Raises:

• HTTPException: If workflow not found, update fails, or access is denied