White Bean Hummus with Herb and Olive Salad

Name: White Bean Hummus with Herb and Olive Salad
Ingredients: 1 teaspoon plus 2 teaspoons kosher salt , divided; ¼ teaspoon baking soda; 8 cups plus ⅓ cup water , divided; 1¼ cups white tepary beans , picked over and rinsed; ½ cup plus 2 teaspoons lemon juice , divided; 4 garlic cloves , unpeeled; ⅔ cup tahini; ¼ teaspoon ground cumin; ¾ cup fresh parsley , chopped coarse; ½ cup fresh dill sprigs, chopped coarse; ½ cup kalamata olives , pitted and sliced thin; 2 tablespoons plus 2 tablespoons extra-virgin olive oil , divided; 2 tablespoons pepitas , toasted; 2 tablespoons sunflower seeds , toasted; 2 tablespoons white sesame seeds , toasted