/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 0x55d3930eb628 0x189 0x209a 0x0 0x0 0xffffffff 0x7f15d17eab00 0x7f16124e337a