fix(client): fully respect max retries

fix(client): send retry count header for max retries 0
chore(internal): depend on packages directly in example

Author: stainless-app[bot]

stagehand-java-client-okhttp/src/main/kotlin/com/browserbase/api/client/okhttp/OkHttpClient.kt

@@ -234,6 +234,8 @@ private constructor(@JvmSynthetic internal val okHttpClient: okhttp3.OkHttpClien
         fun build(): OkHttpClient =
             OkHttpClient(
                 okhttp3.OkHttpClient.Builder()
+                    // `RetryingHttpClient` handles retries if the user enabled them.
+                    .retryOnConnectionFailure(false)
                     .connectTimeout(timeout.connect())
                     .readTimeout(timeout.read())
                     .writeTimeout(timeout.write())

stagehand-java-core/src/main/kotlin/com/browserbase/api/core/http/RetryingHttpClient.kt

@@ -31,10 +31,6 @@ private constructor(
 ) : HttpClient {
 
     override fun execute(request: HttpRequest, requestOptions: RequestOptions): HttpResponse {
-        if (!isRetryable(request) || maxRetries <= 0) {
-            return httpClient.execute(request, requestOptions)
-        }
-
         var modifiedRequest = maybeAddIdempotencyHeader(request)
 
         // Don't send the current retry count in the headers if the caller set their own value.
@@ -48,6 +44,10 @@ private constructor(
                 modifiedRequest = setRetryCountHeader(modifiedRequest, retries)
             }
 
+            if (!isRetryable(modifiedRequest)) {
+                return httpClient.execute(modifiedRequest, requestOptions)
+            }
+
             val response =
                 try {
                     val response = httpClient.execute(modifiedRequest, requestOptions)
@@ -75,10 +75,6 @@ private constructor(
         request: HttpRequest,
         requestOptions: RequestOptions,
     ): CompletableFuture<HttpResponse> {
-        if (!isRetryable(request) || maxRetries <= 0) {
-            return httpClient.executeAsync(request, requestOptions)
-        }
-
         val modifiedRequest = maybeAddIdempotencyHeader(request)
 
         // Don't send the current retry count in the headers if the caller set their own value.
@@ -94,8 +90,12 @@ private constructor(
             val requestWithRetryCount =
                 if (shouldSendRetryCount) setRetryCountHeader(request, retries) else request
 
-            return httpClient
-                .executeAsync(requestWithRetryCount, requestOptions)
+            val responseFuture = httpClient.executeAsync(requestWithRetryCount, requestOptions)
+            if (!isRetryable(requestWithRetryCount)) {
+                return responseFuture
+            }
+
+            return responseFuture
                 .handleAsync(
                     fun(
                         response: HttpResponse?,