See https://community.intersystems.com/post/vscode-tips-tricks-web-terminal for a recent tip from @Tani Frankel 
about integrating WebTerminal into VS Code.

Am I correct that there's some kind of relationship between the Speedminer tools and Intersystems DeepSee Visual Reporting?

See https://community.intersystems.com/post/diagnosing-cause-errors for tips on finding out more about what's causing <PROTECT> errors.