feat: complete governed Walloon coverage sources

frontend/src/lib/datasetCapabilities.ts

@@ -5,6 +5,7 @@ const NON_IMAGERY_RASTER_SOURCES = new Set([
   'digitaal_vlaanderen_dhmv',
   'vmm_flood_hazard',
   'spw_bathymetry',
+  'spw_walous_land_cover',
 ])
 
 export function isDetectionImageryDataset(dataset: DatasetCreateResponse): boolean {

frontend/src/lib/datasetDisplay.ts

@@ -17,6 +17,7 @@ const DATASET_LABEL_BY_LAYER: Record<string, string> = {
   open_space: 'Open ruimte',
   accessibility: 'Knooppuntwaarde',
   services: 'Voorzieningenniveau',
+  land_cover: 'Landbedekking',
   building_registry: 'Gebouwenregister',
   regional_boundary: 'Grens vervoerregio Kempen',
   municipality_boundaries: 'Gemeentegrenzen Kempen',
@@ -37,6 +38,8 @@ const DATASET_SOURCE_LABELS: Record<string, string> = {
   vmm_flood_hazard: 'Vlaamse Milieumaatschappij',
   vmm_vha_bathymetry_profiles: 'VMM / Vlaamse Hydrografische Atlas',
   spw_bathymetry: 'Service public de Wallonie',
+  spw_walous_land_cover: 'Service public de Wallonie',
+  spw_flood_hazard: 'Service public de Wallonie',
   department_omgeving_thematic_raster: 'Departement Omgeving',
   dov_soil_map: 'Databank Ondergrond Vlaanderen',
 }
@@ -65,6 +68,10 @@ export function getDatasetDisplayName(dataset: DatasetCreateResponse): string {
     const productName = dataset.source_metadata?.['product_display_name']
     return typeof productName === 'string' && productName.trim() ? productName : 'Officieel Vlaams themaraster'
   }
+  if (dataset.source_name === 'spw_walous_land_cover') {
+    const productName = dataset.source_metadata?.['product_display_name']
+    return typeof productName === 'string' && productName.trim() ? productName : 'WALOUS landbedekking'
+  }
   const layer = (dataset.reference_layer_name ?? dataset.source_metadata?.layer_name ?? dataset.source_metadata?.layer_type ?? '')
     .toString()
     .toLowerCase()

frontend/src/lib/thematicRaster.ts

@@ -4,6 +4,10 @@ export function thematicRasterImageUrl(projectId: string, datasetId: string): st
   return `/api/v1/projects/${projectId}/datasets/${datasetId}/raster/thematic/image`
 }
 
+export function walousRasterImageUrl(projectId: string, datasetId: string): string {
+  return `/api/v1/projects/${projectId}/datasets/${datasetId}/raster/walous/image`
+}
+
 export function thematicRasterSelectionToMapSelection(result: ThematicRasterSelectionResponse): VectorSelectionResponse {
   return {
     selection_bbox: result.selection_bbox,