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Pattern 4 of 5

Orchestrator-Workers

A coordinator decomposes, specialists execute — judgment at the top, throughput at the bottom.

Orchestrator sonnet-class model Assigning tasks… Waiting for workers… Synthesizing… Done ✓ Worker 1 Worker 2 Worker 3 lineage analysis schema delta consumer impact haiku-class model haiku-class model haiku-class model Task assignment Result returned The orchestrator earns its cost by deciding which subtasks matter

What to watch: Solid arrows carry tasks down to workers, dashed green arrows carry results back up. The orchestrator earns its cost by doing what workers can't — determining which subtasks matter. Workers run a cheaper model in parallel.