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

apis/pihole/pihole.go

@@ -59,7 +59,12 @@ func (ph *PiHConnector) do(method string, endpoint string, body io.Reader) []byt
 	if err != nil {
 		return make([]byte, 0)
 	}
-	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 {
@@ -90,7 +95,12 @@ func Connect() PiHConnector {
 	if err != nil {
 		panic(err)
 	}
-	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 {