What happened?

When running the a2a-server with GCS persistence the metadata.tar.gz is always empty:

$ gsutil cp gs://<BUCKET>/tasks/<TASK_ID>/metadata.tar.gz .
$ tar -xzvf metadata.tar.gz -O

What did you expect to happen?

To see some data (ex: contextId) stored in the metadata

Client information

N/A

Login information

No response

Anything else we need to know?

No response