When One Agent Isn't Enough
The previous eight articles built single-agent systems: one LLM, one set of tools, one conversation history. That architecture handles most problems well.
But some tasks are inherently multi-expert:
Writing a technical article needs a researcher to gather facts, a writer to draft, and an editor to polish — three roles, three ways of thinking
Handling a support ticket needs intent classification, knowledge base lookup, and reply generation — three stages, independently testable
