[NETE2ESDK][Linux][LLM]It should NOT suggest `dotnet.existingDotnetPath` if ask agent which custom .net installed and how to use it on Linux

[NicoleWang001]

Describe the bug.

It should NOT suggest dotnet.existingDotnetPath if ask agent which custom .net installed and how to use it on Linux

Please attach log file(s) here if you have any.

logs.zip

Reproduction Steps

1. On Ubuntu 26.04 , download and extract dotnet-sdk-10.0.300-linux-x64.tar.gz and add to paths
2. login VSCode with your GitHub Account to enable usage of CoPilot
3. Ask the agent in the chat window to which custom .net installed, then ask how to use my custom .net install
4. Observe

Expected Behavior

It should NOT suggest dotnet.existingDotnetPath as that only controls private runtime installs.

Exceptions & Errors (if any)

It suggests dotnet.existingDotnetPath

.NET Install Tool Version

3.1.0-b

Your operating system? Please provide more detail, such as the version and or distro above.

Linux

VS Code Version

v1.122.1

[NicoleWang001]

This issue may not be reproduced if ask agent how to use my custom .net install directly.

[vwenchen]

This issue also repro on MAC ARM64

Log.zip

[nagilson]

The LLM is not listening to the instructions. I rephrased it and want to see if this helps or not.

[NicoleWang001]

Tried several times and this issue is not reproduced with the new tool build.