Add governed Wallonia and Brussels orthophotos

backend/README.md

@@ -1336,7 +1336,10 @@ not copied into queryable properties.
 `GET /api/v1/projects/{project_id}/datasets/orthophoto/products` lists the
 governed product allowlist. `POST .../datasets/orthophoto/acquire` accepts an
 explicit EPSG:4326 map rectangle plus `product_key` and stores the official
-Digitaal Vlaanderen WMS response as a canonical EPSG:31370 raster Dataset. The
+regional WMS response as a canonical EPSG:31370 raster Dataset. Digitaal
+Vlaanderen, SPW (`wallonia_latest`) and Paradigm UrbIS (`brussels_latest`) are
+allowlisted. The two regional products are bound to persisted Wallonia and
+Brussels-Capital Region Areas. The
 default safety envelope is 128-1,024 m per side, 1 m/pixel, 32 MiB and a
 24-hour exact-request cache. It runs synchronously behind the existing Job
 abstraction and never during startup.
@@ -1348,6 +1351,7 @@ from configured-YOLO/current-GRB QA. `GET .../datasets/{dataset_id}/raster/image
 is the constrained binary PNG endpoint used by the MapLibre image overlay.
 
 Settings: `ORTHOPHOTO_ENABLED`, `ORTHOPHOTO_WMS_URL`,
+`SPW_ORTHOPHOTO_WMS_URL`, `BRUSSELS_ORTHOPHOTO_WMS_URL`,
 `ORTHOPHOTO_WMS_LAYER`, `ORTHOPHOTO_RESOLUTION_M`,
 `ORTHOPHOTO_MIN_SIDE_M`, `ORTHOPHOTO_MAX_SIDE_M`,
 `ORTHOPHOTO_TIMEOUT_SECONDS`, `ORTHOPHOTO_MAX_RESPONSE_MB` and