Function basic_callback

tests/test-scheduler-basic-thorough.cpp:179–183

* @brief Basic callback function for general testing * * Simple callback that increments counter and records execution. * Used for fundamental task execution verification. */

 * Used for fundamental task execution verification.
 */
void basic_callback() {
    callback_counter++;
    test_output.push_back("basic_callback");
    std::cout << "Basic callback executed at " << millis() << "ms" << std::endl;
}

/**
 * @brief First test callback for multi-callback scenarios