Combine the lemon zest, lemon juice, dijon, garlic, feta and olive oil in a mason jar and shake to combine. Or combine ingredients in a small mixing bowl and whisk to combine. Set aside.Add cauliflower couscous, tomatoes, bell peppers, jalapeno, cucumber, red onion, olives, pine nuts, mint, chives, salt and pepper to a large mixing bowl.Add dressing and stir to combine.Add the chickpeas and give it one more stir.Enjoy room temperature or chilled.