Grilled Asparagus with Warm Crab Salad

Name: Grilled Asparagus with Warm Crab Salad
Ingredients: 2 tablespoon minced shallot; 2 cup dry white wine; ½ cup unsalted butter (cut into 8 even slices); kosher salt and freshly cracked black pepper (as needed for seasoning); 1 ½ pound thin to medium thick asparagus (woody ends trimmed); 2–3 tablespoon extra-virgin olive oil; ½ teaspoon fresh lemon zest; 1–2 pinch cayenne pepper; 2 tablespoon minced fresh chives (plus more for garnish); 1 tablespoon chopped fresh dill (plus more for garnish); 8 ounce cooked lump crab meat (carefully inspected for shell); 1–2 tablespoon pickled mustard seeds (optional, see recipe)