I don't think you understood what a "copilot" and a "HUD" is. Confusingly, GitHub Copilot (the original one that suggests completions) is basically a HUD. On the other hand, agents that you give a task are clearly copilots that work via a natural language interface.

The article also mentions that agents are copilots:

> Here’s another personal example from AI coding. Let’s say you want to fix a bug. The obvious “copilot” way is to open an agent chat and ask it to do the fix.