refactor: enforce import directions and expose source factories

src/data/localGeojson.js

@@ -1,15 +1,5 @@
-import { governorRequestRender } from '../renderGovernor.js';
-import {
-  clearSelectedEntityContextForLayer,
-  registerEntityContext,
-  removeEntityContextsForLayer,
-  selectEntityContext,
-} from './contextStore.js';
-import {
-  clearOverlaySource,
-  setOverlayEntries,
-  setOverlaySourceVisible,
-} from '../overlays/worldOverlay.js';
+import { localGeoJsonServices } from '../app/localGeojsonServices.js';
+export { localGeoJsonServices } from '../app/localGeojsonServices.js';
 import {
   createLocalGeoJsonLayer as createLayer,
   createLocalInfrastructureOverlayPublisher as createPublisher,
@@ -17,20 +7,6 @@ import {
 
 export * from './localGeojsonCore.js';
 
-/** Existing standalone application operations, shared by its local layers. */
-export const localGeoJsonServices = Object.freeze({
-  overlayHost: Object.freeze({
-    clearSource: clearOverlaySource,
-    setEntries: setOverlayEntries,
-    setVisible: setOverlaySourceVisible,
-  }),
-  clearSelectedEntityContextForLayer,
-  registerEntityContext,
-  removeEntityContextsForLayer,
-  selectEntityContext,
-  governorRequestRender,
-});
-
 /** Create a layer using the standalone app's operations; retain overlay overrides. */
 export function createLocalGeoJsonLayer(options) {
   return createLayer(options, {