Updated the normalized observation schema to remove duplicate and/or unnecessary fields

internal/normalizers/openmeteo/observation.go

@@ -86,20 +86,9 @@ func buildObservation(parsed omResponse) (model.WeatherObservation, time.Time, e
 		StationName: "Open-Meteo",
 		Timestamp:   ts,
 
-		ConditionCode: wmo,
-		ConditionText: canonicalText,
-		IsDay:         isDay,
-
-		// Open-Meteo does not provide a separate human text description for "current"
-		// when using weather_code; we leave provider evidence empty.
-		ProviderRawDescription: "",
-
-		// Transitional / human-facing:
-		// keep output consistent by populating TextDescription from canonical text.
+		ConditionCode:   wmo,
+		IsDay:           isDay,
 		TextDescription: canonicalText,
-
-		// IconURL: Open-Meteo does not provide an icon URL in this endpoint.
-		IconURL: "",
 	}
 
 	// Measurements (all optional; only set when present).
@@ -132,20 +121,13 @@ func buildObservation(parsed omResponse) (model.WeatherObservation, time.Time, e
 		obs.WindGustKmh = &v
 	}
 
-	if parsed.Current.SurfacePressure != nil {
+	if parsed.Current.PressureMSL != nil {
+		v := normcommon.PressurePaFromHPa(*parsed.Current.PressureMSL)
+		obs.BarometricPressurePa = &v
+	} else if parsed.Current.SurfacePressure != nil {
 		v := normcommon.PressurePaFromHPa(*parsed.Current.SurfacePressure)
 		obs.BarometricPressurePa = &v
 	}
 
-	if parsed.Current.PressureMSL != nil {
-		v := normcommon.PressurePaFromHPa(*parsed.Current.PressureMSL)
-		obs.SeaLevelPressurePa = &v
-	}
-
-	if parsed.Elevation != nil {
-		v := *parsed.Elevation
-		obs.ElevationMeters = &v
-	}
-
 	return obs, ts, nil
 }