fix: adjust HCHO value conversion to only apply for values greater than 1

Author: tuzkiyoung

custom_components/treeow/sensor.py

@@ -59,7 +59,7 @@ def _update_value(self):
                 _LOGGER.debug(f'Sensor [{self._attr_unique_id}] temperature/humidity value {value} adjusted to {processed_value}')
 
         # Handle HCHO (formaldehyde) values - API returns integer (e.g. 35), convert to mg/m³ (0.035)
-        if self._is_hcho and isinstance(processed_value, (int, float)):
+        if self._is_hcho and isinstance(processed_value, (int, float)) and processed_value > 1:
             processed_value = processed_value / 1000
             _LOGGER.debug(f'Sensor [{self._attr_unique_id}] HCHO value {value} converted to {processed_value} mg/m³')