Initial commit

include/mqtt_client.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <Arduino.h>
+#include "data_model.h"
+#include "wifi_manager.h"
+
+void mqtt_init(const WifiMqttConfig &config, const char *device_id);
+void mqtt_loop();
+bool mqtt_is_connected();
+bool mqtt_publish_state(const MeterData &data);
+#ifdef ENABLE_TEST_MODE
+bool mqtt_publish_test(const char *device_id, const String &payload);
+#endif