Feature: Add Agent-to-Agent (A2A) Protocol Support with AgentCardBuilder#1245

Kunmeer-SyedMohamedHyder wants to merge 4 commits intoopenai:mainopenai/openai-agents-python:mainfrom

SyedMohamedHyder:feature-a2a/AgentCardBuilderSyedMohamedHyder/openai-agents-python:feature-a2a/AgentCardBuilderCopy head branch name to clipboard