my ($self, $state) = @_;
($state, my %args) = $self->_expand_args($state, %{$self->_arg_map});
my @vars = @args{sort keys %args};
- my $action = $self->builder->(@vars);
+ my @deps = $state->action_dependencies(map $_->id, @vars);
+ my $action = $self->builder->(@vars)
+ ->but(dependencies => \@deps);
my ($id, $value) = $action->expected_effect;
my $var = $state->by_id->{$id}->with_value($value)->with_action($action);
$state->but(by_id => { %{$state->by_id}, $id => $var })