Windows: set %ProgramData%/%ALLUSERSPROFILE% so spawned ssh/scp work under Claude Desktop (fixes #10)#11
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…der Claude Desktop (AiondaDotCom#10)
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Fixes #10.
On Windows under Claude Desktop the extension launches with a stripped,
allow-listed environment that omits %ProgramData%/%ALLUSERSPROFILE%. Win32-OpenSSH
resolves %ProgramData% at startup to find its global config (%ProgramData%\ssh)
and exits 255 with no output when it is unset, so every spawned ssh/scp fails even
though the same command works from an interactive shell.
This normalizes the two vars once at module load, Windows only. No behavior change
on macOS/Linux, no transport change, and full ~/.ssh/config handling is preserved
since we still invoke the real ssh. Verified with the bisection from #10 on a
separate box (Windows 11, OpenSSH_for_Windows_9.5p2): empty ProgramData gives
ssh -V exit 255 with no output, setting ProgramData only gives exit 0.