Ode to Halo Halo

Name: Ode to Halo-Halo
Ingredients: 2 very ripe bananas, sliced ¼-inch thick; 2 tablespoons light brown sugar; ¼ teaspoon vanilla extract; Kosher salt; 6 ounces fresh blueberries (about 1 cup); 6 ounces fresh blackberries (about 1½ cups), cut in half if large; 2 tablespoons fresh lime juice; 1 tablespoon granulated sugar; ¾ cup unsweetened coconut milk; 2 tablespoons sweetened condensed milk; 4 cups shaved ice; ½ pint vanilla or coconut ice cream; Toasted unsweetened coconut flakes, gummi bears, and/or popcorn (for serving)