chore: snapshot main sync

apps/control/remote/boocontrol-edit.ps1

@@ -12,7 +12,9 @@ $cfg     = 'D:\llama-swap\config.yaml'
 $models  = 'D:\models'
 $service = 'llama-swap'   # nssm service name
 
-$parts = ($env:SSH_ORIGINAL_COMMAND ?? '') -split ' ', 2
+$cmd = $env:SSH_ORIGINAL_COMMAND
+if ($null -eq $cmd) { $cmd = '' }
+$parts = $cmd -split ' ', 2
 $verb  = $parts[0]
 $arg   = if ($parts.Count -gt 1) { $parts[1].Trim() } else { '' }