Simplify UI-to-agent orchestration with automatic session state mapping

AG-UI request state is now passed and mapped into session_state, ensuring agents receive the right UI context with no extra plumbing. This reduces boilerplate, keeps state in sync across turns, and speeds up UI integration for agent-driven experiences.

Details

UI request context flows automatically into agent session state
Eliminates manual mapping code and reduces integration risk
Works with existing AG-UI integrations; no action required

Who this is for: Product and platform teams shipping agent UIs, assistants, and interactive experiences that depend on consistent state across steps.