In a small saucepan, combine the chicken broth, peanut butter, honey, soy sauce, sriracha, ginger and garlic. Bring to a simmer over medium-low heat and cook, stirring occasionally, until the flavors blend and the sauce is slightly thickened, 8 to 10 minuteSeason the chicken strips with salt and pepper and then transfer it to a large bowl and add the sriracha, soy sauce, lime juice, 1 of the garlic cloves and the ginger.Heat a large nonstick skillet over high heat. Add the sesame oil, then add the chicken. Cook, stirring, until cooked through, 2-3 minutes. Transfer to a plate. Add the remaining 1 garlic clove, the scallions, carrots and broccoli noodles and season with salt. Cook, stirring, until the vegetables are crisp-tender, 1-2 minutes. Transfer to a plate.Add the zucchini noodles to the hot skillet and toss. Cook for 2-3 minutes or until noodles are al dente. Add the cooked veggies, chicken and peanut sauce and cook, tossing everything together, for 1 minute.Divide the noodles and chicken evenly among 3 bowls. Top each with the peanuts and serve with a lime wedge and a sprig of cilantro, for garnish.