feat: a2a + restapi integration

[amithad]

No description provided.

[Copilot]

Pull Request Overview

This PR introduces A2A (Agent-to-Agent) integration with the REST API, enabling agents built with CrewAI and OpenAI Agent SDK to be exposed through A2A-compatible endpoints.

• Adds A2A support configuration and agent card generation across different agent types
• Refactors REST API structure to support modular routing for both traditional agent interactions and A2A protocol endpoints
• Includes comprehensive examples and testing infrastructure for multi-agent A2A communication

Reviewed Changes

Copilot reviewed 21 out of 24 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
examples/api/a2a/multi/*	Complete A2A multi-agent example with server, client, tests and configuration
ak-py/src/ak/core/config.py	Adds A2A configuration settings and API routing controls
ak-py/src/ak/core/base.py	Makes Agent abstract with required A2A card generation methods
ak-py/src/ak/*/**.py	Implements A2A card generation for OpenAI, CrewAI and LangGraph agents
ak-py/src/ak/api/*	Refactors REST API into modular routing system with A2A endpoint support
ak-py/src/ak/test/test.py	Enhances test framework to support both CLI and non-CLI testing modes

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[Copilot]

Pull Request Overview

Copilot reviewed 21 out of 24 changed files in this pull request and generated 2 comments.

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Updated and resolved.