/proc/thread-self/root/proc/self
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 /.
4 (node) S 2 2 0 0 -1 4194560 52924 0 749 0 929 130 0 0 20 0 11 0 2924 1921179648 55157 18446744073709551615 94058685005824 94058728916917 140723904887472 0 0 0 0 16781312 17922 0 0 0 17 0 0 0 3 0 0 94058784370368 94058785239152 94059111661568 140723904890253 140723904890491 140723904890491 140723904892901 0