For the extended LanguageModelChatProvider, the context indicator is always 0.

[smallmain]

• Copilot Chat Extension Version: 0.37.0
• VS Code Version: 1.109.0
• OS Version: MacOS 26.2
• Feature (e.g. agent/edit/ask mode): Any
• Selected model (e.g. GPT 4.1, Claude 3.7 Sonnet): Custom
• Logs: No

Steps to Reproduce:

It has been confirmed that provideTokenCount is implemented correctly.

[vs-code-engineering]

Thanks for creating this issue! We figured it's missing some basic information or in some other way doesn't follow our issue reporting guidelines. Please take the time to review these and update the issue.

For Copilot Issues, be sure to visit our Copilot-specific guidelines page for details on the necessary information.

Happy Coding!

[smallmain]

Thanks for creating this issue! We figured it's missing some basic information or in some other way doesn't follow our issue reporting guidelines. Please take the time to review these and update the issue.

For Copilot Issues, be sure to visit our Copilot-specific guidelines page for details on the necessary information.

Happy Coding!

I have provided enough information already.