Chicken Confit and Asparagus with Pasta Rags

Name: Chicken Confit and Asparagus with Pasta Rags
Ingredients: 1 tablespoon olive oil; 8 ounces asparagus, blanched, cut into 2-inch pieces; 2 tablespoons minced shallots; 1 tablespoon minced garlic; 2 cups shredded chicken confit; Salt and ground black pepper; 1 pound pasta rags, cut into 2-inch pieces, cooked al dente; 3 tablespoons extra-virgin olive oil; 1/2 cup grated Parmigiano-Reggiano, plus 1/4 cup for garnish; 2 tablespoons chopped chives, plus 2 tablespoons for garnish; Bottle white truffle oil, to drizzle