Read the blog posts from Peter Steinberget blog steipete.me about his setup. Many AI builders converged on using the terminal with multiple panes. When a prompt is running if you don't have anything to do add another pane and start another prompt. Little by little you might have 1-6 prompts in parallel at some point. The flow state with AI is managing productively several prompts in parallel.
It's interesting that the guy providing an actual answer gets downvoted, and everyone saying "it's impossible" got upvoted.
This is multi-tasking and the opposite of "deep focus".