The team over at @Eon_io_ built an internal multi-agent assistant for its employees, with several specialist agents working behind the scenes. They use A2A to give these agents a standard way to communicate with each other and delegate work. Each agent has an Agent Card that specifies its capabilities, helping the other agents discover who has access to what and who can help with a given task. Such a good, practical look at what it takes to build multi-agent systems. And it wasn't all roses.…