feat(config): add sharedBrowserContext option to reuse browser context across HTTP client (#1058)

config.d.ts

@@ -100,6 +100,11 @@ export type Config = {
    */
   saveTrace?: boolean;
 
+  /**
+   * Reuse the same browser context between all connected HTTP clients.
+   */
+  sharedBrowserContext?: boolean;
+
   /**
    * Secrets are used to prevent LLM from getting sensitive data while
    * automating scenarios such as authentication.