Features
Introduces two major capabilities:
- Workflow runtime: graph-based execution engine for composing
deterministic execution flows for agentic apps, with support for
routing, fan-out/fan-in, loops, retry, state management, dynamic
nodes, human-in-the-loop, and nested workflows - Task API: structured agent-to-agent delegation with multi-turn
task mode, single-turn controlled output, mixed delegation
patterns, human-in-the-loop, and task agents as workflow nodes