fix water

src/sensor/sensor.cpp

@@ -106,16 +106,14 @@ void read_sensor_task(void* parameter)
         shunt_data.shunt_voltage = shunt_voltage;
         shunt_data.shunt_current = shunt_current;
 
-        // Create water data structure and send to queue
+        // Create water data structure and update latest data
         WaterData current_water_data;
         current_water_data.level = cm_over_zero;
         current_water_data.liters = liters;
         current_water_data.percentage = percentage_rounded;
         
-        // Send to queue, don't block if queue is full
-        if (waterDataQueue != nullptr) {
-            xQueueSendToBack(waterDataQueue, &current_water_data, 0);
-        }
+        // Update the latest water data (thread-safe)
+        updateLatestWaterData(current_water_data);
 
         delay(20000);
     }