Allow propagation of sensor updates from secondary to main

src/mainobject.cpp

@@ -165,6 +165,7 @@ SecondaryMainObject::SecondaryMainObject(QString host, int port, QObject *parent
 {
 	connect(tcpClient, &TcpClient::gotSensor, &globalSensors, &SensorStore::sensorGotState);
 	globalItems.registerItemSource(tcpClient);
+	connect(&globalSensors, &SensorStore::sensorChangedState, tcpClient, &TcpClient::sensorEvent);
 
 	if(!tcpClient->launch(QHostAddress(host), port))
 	{

src/sensors/sensor.cpp

@@ -89,6 +89,31 @@ void SensorStore::sensorGotState(const Sensor& sensor, sensor_update_type_t type
 					needsUpdate = true;
 				}
 			}
+			else if(type == SENSOR_UPDATE_REMOTE)
+			{
+				if(sensors_[i].name != sensor.name || sensors_[i].hidden != sensor.hidden || sensors_[i].groupName != sensor.groupName)
+				{
+					sensors_[i].name = sensor.name;
+					sensors_[i].hidden = sensor.hidden;
+					sensors_[i].groupName = sensor.groupName;
+					for(Sensor& known : knownSensors_)
+					{
+						if(sensor.type == known.type && sensor.id == known.id)
+						{
+							known.name = sensor.name;
+							known.hidden = sensor.hidden;
+							known.groupName = sensor.groupName;
+							break;
+						}
+					}
+					needsUpdate = true;
+				}
+				if(sensors_[i].field != sensor.field)
+				{
+					needsUpdate = true;
+					sensors_[i].field = sensor.field;
+				}
+			}
 			else if(sensors_[i].field != sensor.field)
 			{
 				needsUpdate = true;

src/service/service.h

@@ -24,7 +24,7 @@ signals:
 	void sensorAdded(Sensor sensor, Sensor::sensor_backend_type_t backend, QJsonObject payload);
 
 public slots:
-	void sensorEvent(Sensor sensor, sensor_update_type_t type);
+	virtual void sensorEvent(Sensor sensor, sensor_update_type_t type);
 	virtual void itemUpdated(ItemUpdateRequest update);
 	virtual void refresh() override;
 	virtual void addSensor(Sensor sensor, Sensor::sensor_backend_type_t backend, QJsonObject payload = {});

src/service/tcpclient.cpp

@@ -128,6 +128,16 @@ void TcpClient::itemUpdated(ItemUpdateRequest update)
 	}
 }
 
+void TcpClient::sensorEvent(Sensor sensor, sensor_update_type_t type)
+{
+	// Only forward user-initiated sensor updates to the server
+	// to prevent feedback loops with backend/remote updates
+	if(type == SENSOR_UPDATE_USER)
+	{
+		Service::sensorEvent(sensor, type);
+	}
+}
+
 TcpClient::~TcpClient()
 {
 	delete socket;

src/service/tcpclient.h

@@ -18,6 +18,7 @@ class TcpClient : public Service
 
 public slots:
 	virtual void itemUpdated(ItemUpdateRequest update) override;
+	virtual void sensorEvent(Sensor sensor, sensor_update_type_t type) override;
 
 public:
 	TcpClient(QObject* parent = nullptr);

src/ui/sensorlistwidget.cpp

@@ -37,7 +37,7 @@ void SensorListWidget::onDoubleClick(QTreeWidgetItem *item, int column)
 {
 	if(item && item->type() == 1001)
 	{
-		const Sensor& sensor = getSensorForIndex(currentIndex());
+		const Sensor& sensor = static_cast<SensorListItem*>(item)->getSensor();
 		SensorSettingsDialog diag(sensor, this);
 		if(diag.exec())
 		{

tests/unit/sensors/test_sensor.cpp

@@ -363,15 +363,15 @@ private slots:
         Sensor initialSensor(Sensor::TYPE_TEMPERATURE, 1, 20.0, "Initial Name", false);
         store.sensorGotState(initialSensor, SENSOR_UPDATE_BACKEND);
 
-        // Send REMOTE update with new name and hidden state
+        // Send REMOTE update with new name and hidden state (e.g., from secondary instance)
         Sensor remoteUpdate(Sensor::TYPE_TEMPERATURE, 1, 25.0, "Remote Name", true);
         store.sensorGotState(remoteUpdate, SENSOR_UPDATE_REMOTE);
 
-        // Verify name and hidden were NOT updated
+        // Verify name, hidden and field were updated (remote updates should sync user-configurable fields)
         std::vector<Sensor>* sensors = store.getSensors();
         QVERIFY(sensors->size() == 1);
-        QVERIFY(sensors->at(0).name == "Initial Name");
-        QVERIFY(sensors->at(0).hidden == false);
+        QVERIFY(sensors->at(0).name == "Remote Name");
+        QVERIFY(sensors->at(0).hidden == true);
         QVERIFY(sensors->at(0).field == 25.0);
     }