Ensure consistent error handling and improve resource cleanup across widgets and APIs.

apis/openweathermap/main.go

@@ -41,7 +41,12 @@ func FetchCurrentWeather() CurrentWeather {
 			ErrorMessage: err.Error(),
 		}
 	}
-	defer resp.Body.Close()
+	defer func(Body io.ReadCloser) {
+		err := Body.Close()
+		if err != nil {
+			return
+		}
+	}(resp.Body)
 	respBody, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return CurrentWeather{