/proc/2/root/proc/self/root/proc/thread-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 /.
202 0x55f59e3ce608 0x189 0xf836 0x0 0x0 0xffffffff 0x7f7648febb40 0x7f76897a737a