Sous Vide Red Braised Swordfish Steak

Name: Sous Vide Red Braised Swordfish Steak
Ingredients: 1 lb swordfish steaks; 2 teaspoons tamari/soy sauce/coconut aminos; 2 teaspoons rice wine vinegar; 1 teaspoon brown sugar/coconut palm sugar/erythritol; 1/2 teaspoon sesame oil; 2 chopped spring/green onions, white and green parts separated; 1 Tablespoon grated or finely minced ginger; 1 teaspoon toasted sesame seeds (optional); 1 teaspoon chili sauce, like Sriracha (optional); Cilantro sprigs, for garnish (optional); Lime wedges (for garnish)