[FEATURE] Allow passing metadata to between A2AClient & A2AServer #1576
Description
Problem Statement
I would like to pass additional metadata between my local A2A agent and the remote A2A server - data that is not seen by the agent but can be processed by the server/host
Proposed Solution
No response
Use Case
Passing in request ids or additional metadata that is not required by the LLM but is data that is needed on the backend
Alternatives Solutions
No response
Additional Context
No response