Set the oven to preheat at 425°F (218°C). In a mixing bowl, blend the panko bread crumbs with the ranch dressing mix, garlic powder, onion powder, paprika, salt, and pepper until evenly combined. Immerse the green beans in the beaten eggs, ensuring each is well coated, then dredge them through the breadcrumb mixture so they are fully covered. Arrange the coated green beans on a baking sheet in a single, even layer. Mist them gently with olive oil spray. Transfer the baking sheet to the oven and bake for 10 minutes. Remove, carefully flip each green bean, and return to the oven for an additional 2–5 minutes, or until they reach a golden, crispy texture.