chore: enhance golangci-lint configuration and clean up error handling

- Added new linters for the examples directory to improve code quality checks.
- Updated output formatting to direct lint results to stdout for better visibility.
- Cleaned up comments related to error handling in various files for clarity and consistency.

cmd/onvif-cli/ascii.go

@@ -220,17 +220,17 @@ type ImageInfo struct {
 }
 
 // formatBytes converts bytes to human-readable format.
-func formatBytes(bytes int64) string {
-	if bytes < bufferSize1024 {
-		return fmt.Sprintf("%d B", bytes)
+func formatBytes(byteCount int64) string {
+	if byteCount < bufferSize1024 {
+		return fmt.Sprintf("%d B", byteCount)
 	}
 	const kbSize = 1024
 	const mbSize = 1024 * 1024
-	if bytes < mbSize {
-		return fmt.Sprintf("%.1f KB", float64(bytes)/kbSize)
+	if byteCount < mbSize {
+		return fmt.Sprintf("%.1f KB", float64(byteCount)/kbSize)
 	}
 
-	return fmt.Sprintf("%.1f MB", float64(bytes)/mbSize)
+	return fmt.Sprintf("%.1f MB", float64(byteCount)/mbSize)
 }
 
 // CreateASCIIHighQuality creates a high-quality ASCII representation.

cmd/onvif-cli/main.go

@@ -690,7 +690,6 @@ func (c *CLI) tryRTSPConnection(streamURI string) map[string]interface{} {
 	// Try to connect
 	conn, err := net.DialTimeout("tcp", hostPort, maxRetries*time.Second)
 	if err == nil {
-		//nolint:errcheck // Close error is not critical for connectivity check
 		_ = conn.Close()
 		details["reachable"] = true
 		details["port"] = strings.Split(hostPort, ":")[1]