UPDATE

crop_simulation/growth_simulation.py

@@ -10,8 +10,8 @@ import logging
 from django.apps import apps
 from django.core.paginator import EmptyPage, Paginator
 
-from farm_data.models import SensorData
-from farm_data.services import get_canonical_farm_record, get_runtime_plant_for_farm
+from farm_data.models import PlantCatalogSnapshot, SensorData
+from farm_data.services import clone_snapshot_as_runtime_plant, get_canonical_farm_record, get_runtime_plant_for_farm
 from location_data.satellite_snapshot import build_location_satellite_snapshot
 from plant.gdd import calculate_daily_gdd, resolve_growth_profile
 from weather.models import WeatherForecast
@@ -277,9 +277,11 @@ def _resolve_plant_simulation_defaults(plant: Any) -> tuple[dict[str, Any] | Non
 
 def build_growth_context(payload: dict[str, Any]) -> GrowthSimulationContext:
     plant_name = apps.get_app_config("plant").resolve_plant_name(payload["plant_name"]) or payload["plant_name"]
-    from plant.models import Plant
-
-    plant = Plant.objects.filter(name=plant_name).first()
+    snapshot = (
+        PlantCatalogSnapshot.objects.filter(name=plant_name).first()
+        or PlantCatalogSnapshot.objects.filter(name__iexact=plant_name).first()
+    )
+    plant = clone_snapshot_as_runtime_plant(snapshot)
     if plant is None:
         raise GrowthSimulationError("Plant not found.")