#pragma once #include #include class ServiceMenu { public: static ServiceMenu &get_instance() { static ServiceMenu instance; return instance; } // Eliminar copia y asignación ServiceMenu(const ServiceMenu &) = delete; ServiceMenu &operator=(const ServiceMenu &) = delete; void show(); void render(); void handle_input(); void execute_option(size_t option); private: ServiceMenu(); ~ServiceMenu() = default; bool is_active; size_t selected_option; std::vector options; };