UPDATE

farm_data/tests/test_farm_detail_api.py

@@ -86,8 +86,11 @@ class FarmDetailApiTests(TestCase):
         self.assertEqual([plant.name for plant in list_runtime_plants_for_farm(farm)], ["خیار", "گوجه‌فرنگی"])
         self.assertEqual(get_runtime_plant_for_farm(farm).name, "خیار")
 
-    def test_assignment_sync_reconciles_legacy_relation_for_transition(self):
-        self.assertEqual(list(self.farm.plants.values_list("name", flat=True)), ["خیار", "گوجه‌فرنگی"])
+    def test_assignment_sync_uses_backend_snapshots_as_canonical_source(self):
+        self.assertEqual(
+            list(self.farm.plant_assignments.values_list("plant__name", flat=True)),
+            ["خیار", "گوجه‌فرنگی"],
+        )
 
     def test_runtime_plant_lookup_resolves_by_name_from_canonical_assignments(self):
         farm = get_canonical_farm_record(str(self.farm_uuid))