Deviled Eggs with Spicy Tomato Jam and Pistachio Dukkah

Name: Deviled Eggs with Spicy Tomato Jam and Pistachio Dukkah
Ingredients: 2 tablespoon olive oil; 1 medium yellow onion, finely diced (about 1 1/2 cups); 1 pinch salt, plus more to taste; 1 (28-ounce) can Muir Glen Canned Diced Tomatoes; 1 cup sugar; 1 tablespoon white vinegar; 6 large eggs; 3 tablespoon whole-milk Greek yogurt; 2 teaspoon olive oil; 1 teaspoon dijon mustard; 1 pinch kosher salt; 6 tablespoon roughly chopped raw pistachios; 1 tablespoon sesame seeds; 1 teaspoon fennel seeds; 1 teaspoon coriander seeds; 1 teaspoon cumin seeds; 1 teaspoon caraway seeds; 1/4 teaspoon kosher salt; 1/4 cup tomato jam; 1 teaspoon harissa, plus more to taste