From 5a3e7c679b2d98f2a57d42f8fd0568e98dbd81c8 Mon Sep 17 00:00:00 2001
From: Codex <codex@geointel.local>
Date: Wed, 22 Jul 2026 06:49:16 +0200
Subject: [PATCH] fix: expose WALOUS evolution rasters

---
 frontend/src/App.tsx                         | 17 ++----------
 frontend/src/lib/datasetCapabilities.test.ts | 29 ++++++++++++++++++++
 frontend/src/lib/datasetCapabilities.ts      | 15 ++++++++++
 3 files changed, 47 insertions(+), 14 deletions(-)
 create mode 100644 frontend/src/lib/datasetCapabilities.test.ts

diff --git a/frontend/src/App.tsx b/frontend/src/App.tsx
index 9b38a2a2..926df9b7 100644
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -40,7 +40,7 @@ import { useMapSelectionQa } from './hooks/useMapSelectionQa'
 import { useMapWorkspaceState } from './hooks/useMapWorkspaceState'
 import { useMapSelectionExtract } from './hooks/useMapSelectionExtract'
 import { useMapOrthophotoAnalysis } from './hooks/useMapOrthophotoAnalysis'
-import { isDetectionImageryDataset } from './lib/datasetCapabilities'
+import { isDetectionImageryDataset, isMapRasterDataset } from './lib/datasetCapabilities'
 import { useProviderCapabilities } from './hooks/useProviderCapabilities'
 import { useProjectWorkspace } from './hooks/useProjectWorkspace'
 import { useQualityWorkflow } from './hooks/useQualityWorkflow'
@@ -215,19 +215,8 @@ function App(): JSX.Element {
   const availableMapDatasets = useMemo(
     () => {
       const vectors = datasets.filter((dataset) => isVectorDatasetType(dataset.dataset_type) && dataset.status === 'ready')
-      const terrain = datasets.filter(
-        (dataset) => dataset.dataset_type === 'raster' && ['digitaal_vlaanderen_dhmv', 'spw_terrain'].includes(dataset.source_name ?? '') && dataset.status === 'ready',
-      )
-      const floodHazards = datasets.filter(
-        (dataset) => dataset.dataset_type === 'raster' && dataset.source_name === 'vmm_flood_hazard' && dataset.status === 'ready',
-      )
-      const thematicRasters = datasets.filter(
-        (dataset) => dataset.dataset_type === 'raster' && dataset.source_name === 'department_omgeving_thematic_raster' && dataset.status === 'ready',
-      )
-      const bathymetryRasters = datasets.filter(
-        (dataset) => dataset.dataset_type === 'raster' && dataset.source_name === 'spw_bathymetry' && dataset.status === 'ready',
-      )
-      return [...vectors, ...terrain, ...floodHazards, ...thematicRasters, ...bathymetryRasters]
+      const rasters = datasets.filter(isMapRasterDataset)
+      return [...vectors, ...rasters]
     },
     [datasets],
   )
diff --git a/frontend/src/lib/datasetCapabilities.test.ts b/frontend/src/lib/datasetCapabilities.test.ts
new file mode 100644
index 00000000..281f8742
--- /dev/null
+++ b/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)
+  })
+})
diff --git a/frontend/src/lib/datasetCapabilities.ts b/frontend/src/lib/datasetCapabilities.ts
index afdc0957..9bd56dff 100644
--- a/frontend/src/lib/datasetCapabilities.ts
+++ b/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