compare: require matching args for multistep completion

hwe/compare/turn_command_trace.php

@@ -605,6 +605,7 @@ function comparisonRunTurnCommand(array $request): array
             || (
                 $preReqTurn > 0
                 && ($previousLastTurnRaw['command'] ?? null) === $command->getName()
+                && ($previousLastTurnRaw['arg'] ?? null) === $command->getArg()
                 && (int)($previousLastTurnRaw['term'] ?? 0) === $preReqTurn
             )
         ));