4 1 1/2 -pound live lobsters12 tablespoons unsalted butter1/4 cup extra-virgin olive oil1/3 pound linguica (Portuguese sausage)6 cloves garlic, chopped1 3/4 cups panko (coarse Japanese breadcrumbs)1/4 cup chopped fresh parsley, plus more for garnish3 tablespoons minced chivesJuice of 1 lemon, plus lemon wedges for garnishKosher salt and freshly ground pepper