fix: ensure execution task result is shown (#3629)

crates/goose/src/utils.rs

@@ -1,3 +1,5 @@
+use tokio_util::sync::CancellationToken;
+
 /// Safely truncate a string at character boundaries, not byte boundaries
 ///
 /// This function ensures that multi-byte UTF-8 characters (like Japanese, emoji, etc.)
@@ -18,6 +20,12 @@ pub fn safe_truncate(s: &str, max_chars: usize) -> String {
     }
 }
 
+pub fn is_token_cancelled(cancellation_token: &Option<CancellationToken>) -> bool {
+    cancellation_token
+        .as_ref()
+        .is_some_and(|t| t.is_cancelled())
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;