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0.4.0
a2a 0.4.0 adds a2a-server, a Rust server for A2A's HTTP+JSON binding built on the generated crate, with the a2a-server echo agent.
Breaking
- None.
Changed
- New crate
crates/a2a-server: every upstream HTTP+JSON route, server-sent event streams, and tenant isolation of every task operation. a2a-serverbounds connections, request time, followers, tasks, history and push configs; a request over a bound is answered 429RESOURCE_EXHAUSTED.GET /extendedAgentCardneeds the bearer token from--extended-card-token-file.- The specification adds the task's tenant, the
ResourceExhaustederror and its limit outcomes;ess/http.yamlignores unknown query fields. - The generated crate is synthesized with the HTTP binding; ESS stays at 0.75.0.