Hey, unfortunately, for Copilot to work in Cursor, we essentially need to add full support for it. It is not just a plugin, Copilot in VS Code also has many functions built into the core, just like Cursor does.
Since we are focused on our own Cursor features, it is unlikely this will become our priority in the near future.
Besides, Cursor already offers you many features that go beyond what Copilot provides.