Problem (one or two sentences)

There is huge mismatch in context length shown by Roo code extention and the actual context length in roo code.
As shown by Roo code:

Logs in LM studio:

Context (who is affected and when)

Happens while using it with LM studio and Qwen 3.5 35B-A3B

Reproduction steps

While using the Roo code as intended, slowly the difference between the estimated tokens start getting more and more.

Expected result

The token calculation in extension should match the actual token count

Actual result

Different token count in Roo code and LM studio

Variations tried (optional)

No response

App Version

Version: 3.51.1 (7c9722b)

API Provider (optional)

LM Studio

Model Used (optional)

Qwen 3.5 35B-A3B

Roo Code Task Links (optional)

No response

Relevant logs or errors (optional)