Version OK avec Mqtt

include/mqtt_handler.h

@@ -0,0 +1,12 @@
+#pragma once
+#include <Arduino.h>
+#include <PubSubClient.h>
+#include "thermostat.h"
+
+extern float currentTemp;  // Global temperature variable updated by MQTT callback
+
+bool mqtt_connect(PubSubClient& client);
+void mqtt_loop(PubSubClient& client);
+void mqtt_publish_state(PubSubClient& client, ThermostatMode mode, float targetTemp, bool heating);
+void mqtt_callback(char* topic, byte* payload, unsigned int length);
+