Greentic Agentic Worker Runtime — library crate.
See docs/superpowers/specs/2026-05-22-enterprise-aw-runtime-design.md
for the full design spec. This crate exposes the [AgentRuntime] entry
point and the trait surface (AgentStateStore, ConfigProvider,
LlmBackend, Telemetry) that the production runner-host and the
designer playground both consume.
The [graph] module provides durable multi-agent graph execution
(GraphExecutor, GraphConfig, CheckpointStore); see
docs/superpowers/specs/2026-06-06-runtime-agent-graph-execution-design.md.