IMPORVE ONBOARDING STEPS

services/inventory/app/schemas/inventory.py

@@ -46,12 +46,14 @@ class IngredientCreate(InventoryBaseSchema):
 
     # Pricing
     # Note: average_cost is calculated automatically from purchases (not set on create)
+    # All cost fields are optional - can be added later after onboarding
     standard_cost: Optional[Decimal] = Field(None, ge=0, description="Standard/target cost per unit for budgeting")
-    
-    # Stock management
-    low_stock_threshold: float = Field(10.0, ge=0, description="Low stock alert threshold")
-    reorder_point: float = Field(20.0, ge=0, description="Reorder point")
-    reorder_quantity: float = Field(50.0, gt=0, description="Default reorder quantity")
+
+    # Stock management - all optional with sensible defaults for onboarding
+    # These can be configured later based on actual usage patterns
+    low_stock_threshold: Optional[float] = Field(None, ge=0, description="Low stock alert threshold")
+    reorder_point: Optional[float] = Field(None, ge=0, description="Reorder point")
+    reorder_quantity: Optional[float] = Field(None, gt=0, description="Default reorder quantity")
     max_stock_level: Optional[float] = Field(None, gt=0, description="Maximum stock level")
     
     # Shelf life (default value only - actual per batch)
@@ -67,8 +69,15 @@ class IngredientCreate(InventoryBaseSchema):
 
     @validator('reorder_point')
     def validate_reorder_point(cls, v, values):
-        if 'low_stock_threshold' in values and v <= values['low_stock_threshold']:
-            raise ValueError('Reorder point must be greater than low stock threshold')
+        # Only validate if both values are provided and not None
+        low_stock = values.get('low_stock_threshold')
+        if v is not None and low_stock is not None:
+            try:
+                if v <= low_stock:
+                    raise ValueError('Reorder point must be greater than low stock threshold')
+            except TypeError:
+                # Skip validation if comparison fails due to type mismatch
+                pass
         return v
 
 
@@ -125,9 +134,9 @@ class IngredientResponse(InventoryBaseSchema):
     average_cost: Optional[float]
     last_purchase_price: Optional[float]
     standard_cost: Optional[float]
-    low_stock_threshold: float
-    reorder_point: float
-    reorder_quantity: float
+    low_stock_threshold: Optional[float]  # Now optional
+    reorder_point: Optional[float]  # Now optional
+    reorder_quantity: Optional[float]  # Now optional
     max_stock_level: Optional[float]
     shelf_life_days: Optional[int]  # Default value only
     is_active: bool
@@ -209,9 +218,15 @@ class StockCreate(InventoryBaseSchema):
 
     @validator('storage_temperature_max')
     def validate_temperature_range(cls, v, values):
+        # Only validate if both values are provided and not None
         min_temp = values.get('storage_temperature_min')
-        if v is not None and min_temp is not None and v <= min_temp:
-            raise ValueError('Max temperature must be greater than min temperature')
+        if v is not None and min_temp is not None:
+            try:
+                if v <= min_temp:
+                    raise ValueError('Max temperature must be greater than min temperature')
+            except TypeError:
+                # Skip validation if comparison fails due to type mismatch
+                pass
         return v
     
 class StockUpdate(InventoryBaseSchema):