Fix UI for inventory page

services/inventory/app/models/inventory.py

@@ -160,12 +160,22 @@ class Ingredient(Base):
     
     def to_dict(self) -> Dict[str, Any]:
         """Convert model to dictionary for API responses"""
-        # Map to response schema format - use ingredient_category as primary category
+        # Map to response schema format - use appropriate category based on product type
         category = None
-        if self.ingredient_category:
+        if self.product_type == ProductType.FINISHED_PRODUCT and self.product_category:
+            # For finished products, use product_category
+            category = self.product_category.value
+        elif self.product_type == ProductType.INGREDIENT and self.ingredient_category:
+            # For ingredients, use ingredient_category
+            category = self.ingredient_category.value
+        elif self.ingredient_category and self.ingredient_category != IngredientCategory.OTHER:
+            # If ingredient_category is set and not 'OTHER', use it
             category = self.ingredient_category.value
         elif self.product_category:
-            # For finished products, we could map to a generic category
+            # Fall back to product_category if available
+            category = self.product_category.value
+        else:
+            # Final fallback
             category = "other"
         
         return {