fix: expose WALOUS evolution rasters

frontend/src/lib/datasetCapabilities.test.ts

@@ -0,0 +1,29 @@
+import { describe, expect, it } from 'vitest'
+import type { DatasetCreateResponse } from '../types'
+import { isDetectionImageryDataset, isMapRasterDataset } from './datasetCapabilities'
+
+function raster(sourceName: string, status = 'ready'): DatasetCreateResponse {
+  return {
+    id: sourceName,
+    name: sourceName,
+    dataset_type: 'raster',
+    source: sourceName,
+    source_name: sourceName,
+    project_id: 'project-id',
+    status,
+  }
+}
+
+describe('dataset capabilities', () => {
+  it('keeps every governed map raster, including WALOUS snapshots, available to the map', () => {
+    expect(isMapRasterDataset(raster('spw_walous_land_cover'))).toBe(true)
+    expect(isMapRasterDataset(raster('spw_terrain'))).toBe(true)
+    expect(isMapRasterDataset(raster('unclassified_uploaded_imagery'))).toBe(false)
+    expect(isMapRasterDataset(raster('spw_walous_land_cover', 'processing'))).toBe(false)
+  })
+
+  it('does not offer governed thematic rasters as AI detection imagery', () => {
+    expect(isDetectionImageryDataset(raster('spw_walous_land_cover'))).toBe(false)
+    expect(isDetectionImageryDataset(raster('unclassified_uploaded_imagery'))).toBe(true)
+  })
+})

frontend/src/lib/datasetCapabilities.ts

@@ -9,6 +9,21 @@ const NON_IMAGERY_RASTER_SOURCES = new Set([
   'spw_walous_land_cover',
 ])
 
+const MAP_RASTER_SOURCES = new Set([
+  'department_omgeving_thematic_raster',
+  'digitaal_vlaanderen_dhmv',
+  'spw_terrain',
+  'vmm_flood_hazard',
+  'spw_bathymetry',
+  'spw_walous_land_cover',
+])
+
+export function isMapRasterDataset(dataset: DatasetCreateResponse): boolean {
+  return dataset.dataset_type === 'raster'
+    && dataset.status === 'ready'
+    && MAP_RASTER_SOURCES.has(dataset.source_name ?? '')
+}
+
 export function isDetectionImageryDataset(dataset: DatasetCreateResponse): boolean {
   if (dataset.dataset_type !== 'raster' || dataset.status !== 'ready') {
     return false