Agents assemble. One agent is a hire. Many agents are a workforce.

The shift from monolithic prompts to coordinated agents is the most consequential architectural change in applied AI since RAG. This issue maps the canonical patterns, picks one production-ready use case, and builds it end-to-end in Semantic Kernel. Single-agent systems hit a wall the moment a task needs separation of concerns. You feel it in the prompt, the giant system message that tries to be analyst, writer, fact-checker, and policy enforcer in one breath. It works until it doesn't, and the...