Tandoori Chicken Wings with Yogurt Sauce

Name: Tandoori Chicken Wings with Yogurt Sauce
Ingredients: 1/2 cup Greek yogurt; 2 tablespoons minced peeled fresh ginger; 6 garlic cloves, minced; 3 tablespoons garam masala; 1 teaspoon finely grated lemon zest plus 2 tablespoons fresh lemon juice; 1 tablespoon hot paprika; 2 tablespoons vegetable oil, plus more for brushing; 2 1/2 teaspoons kosher salt; 1 teaspoon turmeric; 18 whole chicken wings; Cilantro sprigs and thinly sliced white onion, for garnish; Lemon wedges, for serving; 1 cup Greek yogurt; 1/4 cup cream cheese, softened; 1/2 cup finely chopped mint; 3 tablespoons fresh lemon juice; 2 garlic cloves, minced; 1 teaspoon ground cumin; Kosher salt; Pepper