Recognize Dutch compound GIS theme queries

backend/app/services/geo_assistant_service.py

@@ -95,10 +95,20 @@ class GeoAssistantService:
     def requested_themes(cls, question: str) -> set[str] | None:
         normalized = " ".join(re.sub(r"[^\w]+", " ", question.casefold()).split())
         padded = f" {normalized} "
+        tokens = normalized.split()
+
+        def term_is_present(term: str) -> bool:
+            if " " in term:
+                return f" {term} " in padded
+            return any(
+                token == term or (len(term) >= 4 and token.startswith(term))
+                for token in tokens
+            )
+
         themes = {
             theme
             for theme, terms in cls.THEME_QUERY_TERMS.items()
-            if any(f" {term} " in padded for term in terms)
+            if any(term_is_present(term) for term in terms)
         }
         return themes or None
 

backend/tests/test_sprint202_temporal_metrics_and_ollama.py

@@ -112,6 +112,8 @@ def test_geo_assistant_limits_explicit_cross_domain_question_to_requested_themes
         ("Hoe evolueerden bevolking en bosoppervlakte?", {"population", "forest"}),
         ("Toon wegen, waterlopen en overstromingen.", {"roads", "water", "flood_hazard"}),
         ("Welke bodemtypes en landbouwteelten komen voor?", {"soil", "agriculture"}),
+        ("Geef bodemdetails en perceeloppervlaktes voor Mol.", {"soil", "parcels"}),
+        ("Vergelijk bevolkingsontwikkeling en voorzieningenniveau.", {"population", "services"}),
         ("Vat de belangrijkste gebiedsmetingen samen.", None),
         ("Welke officiële bronnen zijn beschikbaar?", None),
     ],