Not able to connect to vault from ssh-client VM after setting up Split SSH

That’s what I seem to be struggling with. I am not using KeePassXC; I’m using the Built-in Password Utility and ssh-askpass

I tried to go through the steps and I run into this issue after restarting the vault-test VM as:

$ cat /etc/qubes-rpc/qubes.SshAgent
cat: /etc/qubes-rpc/qubes.SshAgent: No such file or directory

Yet I remember creating it as part of the setup as shown by my command history:

$ history | grep Ssh
   43  sudo vim /etc/qubes-rpc/qubes.SshAgent
   44  sudo chmod +x /etc/qubes-rpc/qubes.SshAgent
   53  sudo vim /etc/qubes-rpc/qubes.SshAgent
   54  sudo chmod +x /etc/qubes-rpc/qubes.SshAgent
   55  cat /etc/qubes-rpc/qubes.SshAgent
   63  cat /etc/qubes-rpc/qubes.SshAgent
   88  sudo vim /etc/qubes-rpc/qubes.SshAgent
   90  sudo vim /etc/qubes-rpc/qubes.SshAgent
   91  cat /etc/qubes-rpc/qubes.SshAgent
   92  sudo chmod +x /etc/qubes-rpc/qubes.SshAgent 
   93  cat /etc/qubes-rpc/qubes.SshAgent
   94  history | grep Ssh

The point at which you’re supposed to restart the vault VM is documented here