refactor(internal): default headers

Author: stainless-app[bot]

src/Stagehand/Core/ParamsBase.cs

@@ -216,6 +216,13 @@ internal static void AddDefaultHeaders(HttpRequestMessage request, ClientOptions
 
     static string GetUserAgent() => $"{typeof(StagehandClient).Name}/C# {GetPackageVersion()}";
 
+    static string GetPackageVersion() =>
+        Assembly
+            .GetExecutingAssembly()
+            .GetCustomAttribute<AssemblyInformationalVersionAttribute>()
+            ?.InformationalVersion
+        ?? "unknown";
+
     static string GetOSArch() =>
         RuntimeInformation.OSArchitecture switch
         {
@@ -250,13 +257,6 @@ static string GetOS()
         return $"Other:{RuntimeInformation.OSDescription}";
     }
 
-    static string GetPackageVersion() =>
-        Assembly
-            .GetExecutingAssembly()
-            .GetCustomAttribute<AssemblyInformationalVersionAttribute>()
-            ?.InformationalVersion
-        ?? "unknown";
-
     static Runtime GetRuntime()
     {
         var runtimeDescription = RuntimeInformation.FrameworkDescription;