install.ps1's merge resolution spliced Install-DesktopVoiceDeps/Install-Desktop
inside Stage-Complete's marker hash — parse error (MissingEqualsInHashLiteral)
broke every install.ps1 invocation incl. the protocol-surface CI lane and
6 managed-python provenance tests. Closed Stage-Complete, removed the dead
duplicate Stage-Desktop. bootstrap-installer.yml: checkout needs
fetch-depth 0 (shallow HEAD can't push to the bare mirror: 'shallow update
not allowed').