build generic weather week

src/lib/stores/settings.ts

@@ -78,3 +78,6 @@ export const defaultVariablePrefs: VariablePrefs = {
 };
 
 export const storedVariablePrefs = persisted<VariablePrefs>('variable_prefs', defaultVariablePrefs);
+
+/** Selected ensemble model for the 14-day spread forecast. */
+export const storedEnsembleModel = persisted<string>('ensemble_model', 'ncep_gefs_seamless');