feat(map): add synthetic moving target layer

packages/map-cesium-react/src/index.ts

@@ -5,9 +5,15 @@ export {
   MAP_RUNTIME_SCHEMA_VERSION,
 } from "./contracts.js";
 export type {
+  CesiumMapRendererHandle,
   CesiumMapRendererProps,
   MapCacheIntent,
   MapCamera,
+  MapGeoPoint,
+  MapGhostPin,
+  MapGhostPinLabelMode,
+  MapGhostPinLayer,
+  MapGhostPinPresentation,
   MapLayerVisibility,
   MapProviderId,
   MapProviderPhase,
@@ -17,6 +23,11 @@ export type {
   MapRuntimeState,
   MapVisualSettings,
 } from "./contracts.js";
+export {
+  advanceGhostPins,
+  destinationPoint,
+  geodesicDistanceMeters,
+} from "./ghostPins.js";
 export {
   MapRuntimeError,
   applyCacheIntent,