UI components for authoring, observing, inspecting, and debugging statifier statecharts.

The package is a set of components rather than an application: a Livebook (Kino) inspector first, LiveView components after it. Both integrations are optional dependencies, so a host that wants one does not pull the other.

Nothing here changes the engine. Statifier already emits trace effects at every Appendix D phase boundary and retains source locations, so a UI is one more effect interpreter reading seams that exist.

Fixture data - example scenario datamodels and event payloads a host supplies for a chart - is delivered through StatifierUI.Fixtures, either by a host module implementing StatifierUI.Fixtures.Source or by StatifierUI.Fixtures.Sidecar reading a <chart>.fixtures.json file. StatifierUI.Shape infers display-type labels from example values.

Trace data - the wire format that carries a running session's effects to a UI - is produced by StatifierUI.Trace.Subscriber, which attaches to a Statifier.Session and normalizes its effects into StatifierUI.Trace.Message structs via StatifierUI.Trace.Normalizer, buffering them in a StatifierUI.Trace.Buffer. StatifierUI.Trace.Json renders messages to the canonical JSON docs/wire-format.md specifies.