<overview LangGraph provides execution control patterns for complex agent orchestration: 1. Workflows vs Agents : Predetermined paths vs dynamic decision-making 2. Send API : Fan-out to parallel workers (map-reduce) 3. Interrupts : Pause for human input, resume with Command 4. Streaming : Real-time state, tokens, and custom data </overview <workflow-vs-agent | Characteristic | Workflow | Agent | |----------------|----------|-------| | Control Flow | Fixed, predetermined | Dynamic, model-driven | | Predictability | High | Low | | Use Case | Sequential tasks | Open-ended problems | </workflow-v…