Snapper Crudo with Chiles and Sesame

Name: Snapper Crudo with Chiles and Sesame
Ingredients: 2 Fresno chiles or jalapeños, seeded, chopped; 1 teaspoon finely grated orange zest; 2 tablespoons fresh orange juice; 1 teaspoon finely grated lemon zest; 1 tablespoon fresh lemon juice; Kosher salt; 8 ounces sashimi-grade snapper or sea bream fillet, skin removed, halved lengthwise, bones and bloodline removed, very thinly sliced; Fresh cilantro leaves (for serving); Extra-virgin olive oil (for serving); 1 teaspoon toasted sesame seeds; Flaky sea salt (such as Maldon)