Module handler 

A2A HTTP handlers

Axum handlers for A2A protocol endpoints.

Endpoints

• GET /.well-known/agent.json - Agent Card
• POST /a2a/tasks - Create a new task
• GET /a2a/tasks/:id - Get task status

Security

• Authentication required for task endpoints
• Agent Card is public but can be rate-limited
• All responses include Merkle hashes

Structs

A2aState

Shared state for A2A handlers

Functions

a2a_routes

Build A2A routes for inclusion in the main router

agent_card_handler

Handler: GET /.well-known/agent.json

create_task_handler

Handler: POST /a2a/tasks

get_task_handler

Handler: GET /a2a/tasks/:id