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

model/observation.go

@@ -10,18 +10,9 @@ type WeatherObservation struct {
 	Timestamp   time.Time `json:"timestamp"`
 
 	// Canonical internal representation (provider-independent).
-	ConditionCode WMOCode `json:"conditionCode"`
-	ConditionText string  `json:"conditionText,omitempty"`
-	IsDay         *bool   `json:"isDay,omitempty"`
-
-	// Provider-specific “evidence” for troubleshooting mapping and drift.
-	ProviderRawDescription string `json:"providerRawDescription,omitempty"`
-
-	// Human-facing (legacy / transitional)
-	TextDescription string `json:"textDescription,omitempty"`
-
-	// Provider-specific (legacy / transitional)
-	IconURL string `json:"iconUrl,omitempty"`
+	ConditionCode   WMOCode `json:"conditionCode"`
+	IsDay           *bool   `json:"isDay,omitempty"`
+	TextDescription string  `json:"textDescription,omitempty"`
 
 	// Core measurements (nullable)
 	TemperatureC *float64 `json:"temperatureC,omitempty"`
@@ -32,22 +23,12 @@ type WeatherObservation struct {
 	WindGustKmh          *float64 `json:"windGustKmh,omitempty"`
 
 	BarometricPressurePa *float64 `json:"barometricPressurePa,omitempty"`
-	SeaLevelPressurePa   *float64 `json:"seaLevelPressurePa,omitempty"`
 	VisibilityMeters     *float64 `json:"visibilityMeters,omitempty"`
 
 	RelativeHumidityPercent *float64 `json:"relativeHumidityPercent,omitempty"`
 	ApparentTemperatureC    *float64 `json:"apparentTemperatureC,omitempty"`
 
-	ElevationMeters *float64 `json:"elevationMeters,omitempty"`
-	RawMessage      string   `json:"rawMessage,omitempty"`
-
 	PresentWeather []PresentWeather `json:"presentWeather,omitempty"`
-	CloudLayers    []CloudLayer     `json:"cloudLayers,omitempty"`
-}
-
-type CloudLayer struct {
-	BaseMeters *float64 `json:"baseMeters,omitempty"`
-	Amount     string   `json:"amount,omitempty"`
 }
 
 type PresentWeather struct {