UPDATE

crop_simulation/tests.py

@@ -8,9 +8,11 @@ from unittest.mock import patch
 from unittest import skipUnless
 
 from django.test import TestCase
+from rest_framework.test import APIRequestFactory
 
 from .models import SimulationRun, SimulationScenario
 from .services import CropSimulationService, CropSimulationError, PcseSimulationManager
+from .views import PlantGrowthSimulationView
 
 
 def build_weather(days: int = 5) -> list[dict]:
@@ -108,7 +110,61 @@ class CropSimulationServiceTests(TestCase):
                 crop_parameters=self.crop,
                 strategies=[{"label": "only", "agromanagement": build_agromanagement()}],
                 site_parameters=self.site,
-                )
+                    )
+
+
+class CropSimulationViewContractTests(TestCase):
+    def setUp(self):
+        self.factory = APIRequestFactory()
+
+    @patch("crop_simulation.views.run_growth_simulation_task.delay")
+    def test_growth_queue_response_includes_live_ai_metadata(self, mock_delay):
+        mock_delay.return_value.id = "task-123"
+        request = self.factory.post(
+            "/api/crop-simulation/growth/",
+            {
+                "plant_name": "wheat",
+                "dynamic_parameters": ["DVS"],
+                "weather": [
+                    {
+                        "DAY": "2026-04-01",
+                        "LAT": 35.7,
+                        "LON": 51.4,
+                        "TMIN": 12,
+                        "TMAX": 24,
+                        "RAIN": 0.0,
+                        "ET0": 0.32,
+                    }
+                ],
+                "soil_parameters": {"SMFCF": 0.34, "SMW": 0.14, "RDMSOL": 120.0},
+                "site_parameters": {"WAV": 40.0},
+                "agromanagement": [
+                    {
+                        "2026-04-01": {
+                            "CropCalendar": {
+                                "crop_name": "wheat",
+                                "variety_name": "winter-wheat",
+                                "crop_start_date": "2026-04-05",
+                                "crop_start_type": "sowing",
+                                "crop_end_date": "2026-09-01",
+                                "crop_end_type": "harvest",
+                                "max_duration": 180,
+                            },
+                            "TimedEvents": [],
+                            "StateEvents": [],
+                        }
+                    },
+                    {},
+                ],
+            },
+            format="json",
+        )
+
+        response = PlantGrowthSimulationView.as_view()(request)
+
+        self.assertEqual(response.status_code, 202)
+        self.assertEqual(response.data["meta"]["flow_type"], "live_ai_inference")
+        self.assertEqual(response.data["meta"]["source_service"], "ai_crop_simulation")
 
     def test_recommend_best_crop_returns_best_candidate(self):
         with patch.object(