* fix(terminal): honor the OpenSSH DefaultShell on Windows SSH hosts running orcad (#9327)
* fix(terminal): honor only a PowerShell-family DefaultShell so agent launch quoting still matches
* fix(terminal): import the registry reader's runner from @orca/process-host
* test(terminal): type the spawnSync stub's options
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Co-authored-by: m4air <m4air@m4airs-MacBook-Air.local>
