Fix bounded GRB coverage display

CHANGELOG.md

@@ -20,6 +20,9 @@
   legal-boundary or water-volume data.
 - Extended the Flanders map catalog and all-theme analysis so the four GRB
   products are usable on demand without browser-side external calls.
+- Prevented a single bounded municipality Dataset from being presented as
+  complete Flanders coverage; GRB cards remain `Op aanvraag` until the active
+  selection has produced its measured result.
 - Updated the provider registry to report the bounded GRB integration as
   configured while keeping the old generic import/fetch contract non-fetching
   and directing callers to the governed project endpoint.

backend/tests/test_sprint239_bounded_grb_acquisition.py

@@ -388,5 +388,6 @@ def test_grb_frontend_and_contracts_use_only_the_governed_backend_path() -> None
     assert "datasetsApi.acquireGrb" in selection_hook
     assert "datasetsApi.listGrbProducts" in catalog_hook
     assert "officialMapProducts.grb" in workspace
+    assert "result[product.key] = null" in workspace
     assert "/datasets/grb/acquire" in contracts
     assert "geo.api.vlaanderen.be" not in workspace

docs/CODEX_EXECUTION_LOG.md

@@ -10242,6 +10242,10 @@ Implemented:
   unsupported.
 - Extended the Flanders map product catalog with the four GRB products and
   kept all provider traffic behind the backend.
+- Browser acceptance caught and closed a coverage-label defect: a newly
+  acquired small Mol Dataset no longer makes a complete-Flanders theme card
+  appear fully loaded. In the Flanders workspace GRB stays `Op aanvraag`;
+  the exact bounded result is shown only after selection.
 
 Validation:
 - Focused provider, acquisition, route-envelope and frontend contract tests

frontend/src/components/map/MapWorkspace.tsx

@@ -770,6 +770,11 @@ export function MapWorkspace({
           && datasetCoversSelectedArea(dataset, selectedMapAreaId, regionalScopeSelected),
       ) ?? null
     }
+    if (flandersScopeSelected && officialMapProducts.grb.length > 0) {
+      for (const product of officialMapProducts.grb) {
+        result[product.key] = null
+      }
+    }
     return result
   }, [
     availableMapDatasets,
@@ -777,6 +782,7 @@ export function MapWorkspace({
     floodHazardDatasets,
     officialMapProducts.dhmv.length,
     officialMapProducts.floodHazard.length,
+    officialMapProducts.grb,
     regionalScopeSelected,
     selectedDhmvProductKey,
     selectedFloodHazardDatasetId,