Function repeating_callback

tests/test-scheduler-basic-thorough.cpp:307–312

* @brief Repeating callback for iteration testing * * Uses static counter to track execution number, enabling verification * of proper iteration counting and repeated execution behavior. */

 * of proper iteration counting and repeated execution behavior.
 */
void repeating_callback() {
    static int counter = 0;
    counter++;
    test_output.push_back("Repeating task #" + std::to_string(counter));
    std::cout << "Repeating task #" << counter << " executed at " << millis() << "ms" << std::endl;
}

/**
 * @brief Callback for yield switching tests