refactor: separate map feature queries and source records

src/app/operations.js

@@ -1,3 +1,4 @@
+import { createOverpassFeatureSource } from '../sources/overpassFeatures.js';
 import { createSurfaceServices } from './surfaceServices.js';
 import { createAnnotationResolver } from '../annotations/resolver.js';
 import { searchAndFlyTo } from '../locations.js';
@@ -5,7 +6,6 @@ import { searchAndFlyTo } from '../locations.js';
 /** Assemble application operations from the caller's request services. */
 export function createApplicationOperations({ requests, signal, eventTarget }) {
   for (const [name, method] of Object.entries({
-    boundaries: 'query',
     terrain: 'getHeights',
     regional: 'getBrief',
     weather: 'getConditions',
@@ -19,8 +19,14 @@ export function createApplicationOperations({ requests, signal, eventTarget }) {
     signal,
     eventTarget,
   });
+  const features =
+    requests.features ??
+    createOverpassFeatureSource({
+      boundarySource: requests.boundaries,
+      signal,
+    });
   const annotationResolver = createAnnotationResolver({
-    boundarySource: requests.boundaries,
+    featureSource: features,
     signal,
   });
   return Object.freeze({
@@ -30,7 +36,11 @@ export function createApplicationOperations({ requests, signal, eventTarget }) {
     searchAndFlyTo: (viewer, query, options = {}) =>
       searchAndFlyTo(viewer, query, {
         ...options,
-        boundaries: requests.boundaries,
+        features,
+        signal:
+          signal && options.signal
+            ? AbortSignal.any([signal, options.signal])
+            : signal || options.signal,
         recoverNearView: annotationResolver.placesNearViewRecovery,
       }),
   });