Terminal Chat: return "quota exceeded" though my Github Copilot Pro is activate

[Honghe]

Windows Terminal version

1.25.3571.0

Windows build number

10.0.26200.0

Other Software

No response

Steps to reproduce

GitHub Copilot Pro is active, Copilot CLI is enabled.

Expected Behavior

No response

Actual Behavior

[DHowett]

This is probably something we'll need to take up with the Copilot folks. Thanks!