/proc/thread-self/root/proc/thread-self/root/proc/self/root/proc/1/root/proc/12/task/19
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 /.
19 (libuv-worker) S 1 1 1 0 -1 1077936448 3 0 0 0 0 0 0 0 20 0 11 0 399 1731993600 26617 18446744073709551615 7589888 50333345 140733575237392 0 0 0 0 16781312 17922 1 0 0 -1 0 0 0 0 0 0 109655528 109844416 121499648 140733575243504 140733575243713 140733575243713 140733575245799 0