Module server 

A2A HTTP Server using axum

Provides HTTP endpoints for the A2A Protocol, enabling VT Code to operate as an A2A agent. The server exposes:

• Agent discovery via /.well-known/agent-card.json
• RPC endpoints at /a2a for message sending and task management
• Streaming endpoint at /a2a/stream for real-time updates via Server-Sent Events

Structs

A2aErrorResponse

A2A error response for Axum

A2aServerState

A2A Server State containing shared resources

Functions

create_router

Create the A2A HTTP router

run

Run the A2A server