OpenShell: expect to enter into the tool, not having a terminal when executing a workspace

[benoitf]

I'm expecting to see claude code already started and inside claude when launching a workspace with OpenShell

today I need to enter the name of the tool once logged in

[benoitf]

for now, blocked by an upstream issue where exec is not working on tty commands (need to use initial start command)

I created a PR