Over SSH `ls` prints nothing and can't attach

v0.1 from Chocolatey (plz update the package)
Running in Windows Terminal
Host `xyz` is running Windows 24H2, default SSH shell is `pwsh`

## Repro

```pwsh
ssh xyz
>pmux
```

In another tab

```pwsh
ssh xyz
>pmux attach
Error: Os { code: 10061, kind: ConnectionRefused,
message: "No connection could be made because
the target machine actively refused it." }

>pmux ls
...nothing...
>
```