UPDATE

rag/services/fertilization.py

@@ -628,17 +628,25 @@ def get_fertilization_recommendation(
         .first()
     )
 
-    resolved_plant_name = plant_name
+    plant_config = apps.get_app_config("plant")
+    resolved_plant_name = plant_config.resolve_plant_name(plant_name)
     if not resolved_plant_name and crop_id:
-        resolved_plant_name = crop_id
+        resolved_plant_name = plant_config.resolve_plant_name(crop_id)
+    resolved_growth_stage = plant_config.resolve_growth_stage(growth_stage)
 
     plant = None
     if not resolved_plant_name and sensor is not None:
         plant = sensor.plants.first()
         if plant is not None:
             resolved_plant_name = plant.name
-    elif sensor is not None and resolved_plant_name:
-        plant = sensor.plants.filter(name=resolved_plant_name).first() or sensor.plants.first()
+    elif resolved_plant_name:
+        if sensor is not None:
+            plant = sensor.plants.filter(name=resolved_plant_name).first()
+        if plant is None:
+            Plant = apps.get_model("plant", "Plant")
+            plant = Plant.objects.filter(name=resolved_plant_name).first()
+        if plant is None and sensor is not None:
+            plant = sensor.plants.first()
         if plant is not None:
             resolved_plant_name = plant.name
 
@@ -658,7 +666,7 @@ def get_fertilization_recommendation(
             sensor=sensor,
             plant=plant,
             forecasts=forecasts,
-            growth_stage=growth_stage,
+            growth_stage=resolved_growth_stage,
         )
 
     context = build_rag_context(
@@ -671,8 +679,8 @@ def get_fertilization_recommendation(
     )
 
     extra_parts: list[str] = []
-    if resolved_plant_name and growth_stage:
-        plant_text = build_plant_text(resolved_plant_name, growth_stage)
+    if resolved_plant_name and resolved_growth_stage:
+        plant_text = build_plant_text(resolved_plant_name, resolved_growth_stage)
         if plant_text:
             extra_parts.append("[اطلاعات گیاه]\n" + plant_text)
     if optimized_result is not None:
@@ -721,7 +729,7 @@ def get_fertilization_recommendation(
         optimized_result=optimized_result,
         plant_name=resolved_plant_name,
         crop_id=crop_id,
-        growth_stage=growth_stage,
+        growth_stage=resolved_growth_stage,
         forecasts=forecasts,
     )
     result = _validate_fertilization_response(result)