feat(reactive): implement WorkflowReactiveRoot with signal graph, EventLogProjection, lifecycle, abort, and dispose

src/reactive/index.ts

@@ -1 +1,12 @@
-export {};
+export {
+  WorkflowReactiveRoot,
+  type FailurePolicy,
+  type CallEventMapValue,
+  type CallRequestedEvent,
+  type CallRespondedEvent,
+  type CallErrorEvent,
+  type CallAbortedEvent,
+  type CallCompletedEvent,
+  type EventLogProjection,
+  type AggregateStatus,
+} from "./workflow.js";