feat(go): add default http client with timeout

Author: stainless-app[bot]

client.go

@@ -28,7 +28,7 @@ type Client struct {
 // DefaultClientOptions read from the environment (OPENLAYER_API_KEY,
 // OPENLAYER_BASE_URL). This should be used to initialize new clients.
 func DefaultClientOptions() []option.RequestOption {
-	defaults := []option.RequestOption{option.WithEnvironmentProduction()}
+	defaults := []option.RequestOption{option.WithHTTPClient(defaultHTTPClient()), option.WithEnvironmentProduction()}
 	if o, ok := os.LookupEnv("OPENLAYER_BASE_URL"); ok {
 		defaults = append(defaults, option.WithBaseURL(o))
 	}

default_http_client.go

@@ -0,0 +1,24 @@
+// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+
+package openlayer
+
+import (
+	"net/http"
+	"time"
+)
+
+// defaultResponseHeaderTimeout bounds the time between a fully written request
+// and the server's response headers. It does not apply to the response body,
+// so long-running streams are unaffected. Without this, a server that accepts
+// the connection but never responds would hang the request indefinitely.
+const defaultResponseHeaderTimeout = 10 * time.Minute
+
+// defaultHTTPClient returns an [*http.Client] used when the caller does not
+// supply one via [option.WithHTTPClient]. It clones [http.DefaultTransport]
+// and adds a [http.Transport.ResponseHeaderTimeout] so stuck connections
+// fail fast instead of compounding across retries.
+func defaultHTTPClient() *http.Client {
+	transport := http.DefaultTransport.(*http.Transport).Clone()
+	transport.ResponseHeaderTimeout = defaultResponseHeaderTimeout
+	return &http.Client{Transport: transport}
+}