Add timeout to HTTP client to prevent hanging on network issues

- Add 10 second timeout to outbound HTTP requests
- Prevents indefinite hanging when network namespace lacks connectivity
- Helps diagnose network setup issues in privileged mode

Co-authored-by: f0ssel <[email protected]>

Author: blink-so[bot]

proxy/proxy.go

@@ -198,6 +198,7 @@ func (p *Server) forwardHTTPRequest(w http.ResponseWriter, r *http.Request) {
 
 	// Create HTTP client
 	client := &http.Client{
+		Timeout: 10 * time.Second, // Add timeout to avoid hanging
 		CheckRedirect: func(req *http.Request, via []*http.Request) error {
 			return http.ErrUseLastResponse // Don't follow redirects
 		},