/proc/thread-self/root/proc/self/root/proc/1/task/1/root/node24/lib/node_modules/npm
This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.
if (require.main === module) { require('./lib/cli.js')(process)} else { throw new Error('The programmatic API was removed in npm v8.0.0')}