/proc/self/root/proc/1
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 /.
[<0>] do_wait+0x54/0xb0[<0>] kernel_wait4+0x9c/0x140[<0>] __do_sys_wait4+0x87/0xa0[<0>] __x64_sys_wait4+0x1b/0x30[<0>] x64_sys_call+0x19c7/0x1f30[<0>] do_syscall_64+0x4b/0x110[<0>] entry_SYSCALL_64_after_hwframe+0x76/0x7e