Issue: Missing POST /eth/v1/beacon/pool/payload attestations endpoint required for Gloas spec
Issue: Missing POST /eth/v1/beacon/pool/payload attestations endpoint required for Gloas spec: a task in LegoFlow-SWE (Harbor dataset). What the agent is asked, how it is graded, what it runs in, and its files.
The task
Part of Lego-X/LegoFlow-SWE.