feat(goose): support customizing extension timeout (#1428)

crates/goose/examples/agent.rs

@@ -1,6 +1,7 @@
 use dotenv::dotenv;
 use futures::StreamExt;
 use goose::agents::{AgentFactory, ExtensionConfig};
+use goose::config::DEFAULT_EXTENSION_TIMEOUT;
 use goose::message::Message;
 use goose::providers::databricks::DatabricksProvider;
 
@@ -14,7 +15,11 @@ async fn main() {
     // Setup an agent with the developer extension
     let mut agent = AgentFactory::create("reference", provider).expect("default should exist");
 
-    let config = ExtensionConfig::stdio("developer", "./target/debug/developer");
+    let config = ExtensionConfig::stdio(
+        "developer",
+        "./target/debug/developer",
+        DEFAULT_EXTENSION_TIMEOUT,
+    );
     agent.add_extension(config).await.unwrap();
 
     println!("Extensions:");