Sweet Chili Salmon Salad

Name: Sweet Chili Salmon Salad
Ingredients: 1 pound skin-on salmon fillet; 5 tablespoons sweet chili sauce (such as A Taste of Thai), divided; ¼ cup plus 1 Tbsp. canola oil, divided; 1 teaspoon kosher salt, divided; .50 cup thinly sliced shallot (from 1 large shallot); 2 tablespoons fresh lime juice (from 2 limes), divided; 6 ounces fresh sugar snap peas (2 cups), strings removed; 1 5-oz. container baby arugula; 2 avocados, thinly sliced; 3 radishes, sliced; 1 cup loosely packed chopped fresh mint and/or cilantro; ¼ cup roasted, salted sunflower seeds; Freshly ground black pepper, for serving