fix: recognize Dutch evolution questions

backend/app/services/geo_assistant_service.py

@@ -27,7 +27,7 @@ from app.services.vector_feature_service import VectorFeatureService
 class GeoAssistantService:
     HISTORY_KEYWORDS = (
         "histor",
-        "evolutie",
+        "evolu",
         "verander",
         "trend",
         "vroeger",
@@ -38,6 +38,11 @@ class GeoAssistantService:
         "gestegen",
     )
 
+    @classmethod
+    def history_requested(cls, question: str) -> bool:
+        normalized = question.casefold()
+        return any(keyword in normalized for keyword in cls.HISTORY_KEYWORDS)
+
     def __init__(self, settings: Settings | None = None):
         self.settings = settings or get_settings()
 
@@ -272,7 +277,7 @@ class GeoAssistantService:
 
         temporal_series: list[AssistantTemporalSeries] = []
         temporal_context: list[dict[str, Any]] = []
-        include_history = any(keyword in payload.question.casefold() for keyword in self.HISTORY_KEYWORDS)
+        include_history = self.history_requested(payload.question)
         for key, observations in self._series(datasets):
             first = observations[0]
             last = observations[-1]

backend/tests/test_sprint202_temporal_metrics_and_ollama.py

@@ -86,6 +86,18 @@ def test_geo_assistant_rejects_model_that_is_not_installed(monkeypatch) -> None:
     assert exc_info.value.code == "OLLAMA_MODEL_UNAVAILABLE"
 
 
+@pytest.mark.parametrize(
+    "question",
+    [
+        "Hoe evolueerden bevolking en bosoppervlakte?",
+        "Toon de historische ontwikkeling van water.",
+        "Welke trend zien we sinds 2013?",
+    ],
+)
+def test_geo_assistant_recognizes_dutch_historical_questions(question: str) -> None:
+    assert GeoAssistantService.history_requested(question) is True
+
+
 def test_geo_assistant_sends_grounded_context_without_thinking_trace(monkeypatch) -> None:
     service = GeoAssistantService(ollama_settings())
     project_id = uuid4()

docs/CODEX_EXECUTION_LOG.md

@@ -8389,11 +8389,15 @@ Validation evidence:
 - Focused temporal, source, Ollama, navigation and Unraid regression tests
   passed, including direct coverage for multi-metric history and DockerMan host
   mapping.
-- Full readiness passed 612 backend tests, backend compilation, 91 documented
+- Full readiness passed 615 backend tests, backend compilation, 91 documented
   API routes, one Alembic head, frontend TypeScript typecheck/build and all
   shell syntax gates.
-- Local Docker validation was deferred to the live Tower deployment because
+- Tower deployment passed the all-in-one container health check, live PostGIS
-  Docker is not installed on the Windows development host.
+  3.6 migration/schema smoke and frontend/API proxy smoke. The container reached
+  host Ollama and exposed 10 installed models through the canonical API.
+- A live historical question revealed that the Dutch verb `evolueerden` did
+  not activate history context. The intent stem was corrected to `evolu`, three
+  direct regression cases were added and full readiness reran successfully.
 
 Known limitations:
 - Water volume remains unavailable until a governed depth/bathymetry source is