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Restart VS Code and open a new terminal session.
Install the notification helper: sudo apt install libnotify-bin
Make sure no other tool (nRF Connect for Desktop, OpenOCD) holds the J-Link interface. Only one process can flash at a time.
Verify your API key in the extension settings and that the endpoint URL matches your provider (for example https://openrouter.ai/api/v1 for OpenRouter).
The configured model must support native tool-calling. Models without function-calling cannot drive hardware workflows. See Models.
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