Refactor command processing in CustomRobot class. Changed method name from processCommand to processCmd for improved consistency and clarity in MQTT message handling.

src/custom_robot.cpp

@@ -207,7 +207,7 @@ void CustomRobot::onMqttMessage(const std::string& topic, const std::string& pay
         std::string controlTopic = config_.topic_prefix + "/" + config_.topic_cmd;
         
         if (topic == controlTopic) {
-            processCommand(message);
+            processCmd(message);
         }
     } catch (const std::exception& e) {
         LOG_ERROR("Error processing MQTT message: " + std::string(e.what()));