Remove name, and use class: volatile_organic_compounds_parts

custom_components/tuya_local/devices/soleusair_air_purifier.yaml

@@ -96,7 +96,7 @@ secondary_entities:
         name: sensor
         unit: "%"
   - entity: sensor
-    name: TVOC
+    class: volatile_organic_compounds_parts
     dps:
       - id: 14
         type: integer