feat(integrations): add SaleOrder service for Odoo sales

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

services/integrations/app/schemas/product.py

@@ -0,0 +1,31 @@
+from pydantic import BaseModel
+from typing import Optional
+
+
+class ProductResponse(BaseModel):
+    id: int
+    name: str
+    default_code: Optional[str] = None
+    list_price: float
+    qty_available: float
+    virtual_available: float
+    description: Optional[str] = None
+    categ_name: Optional[str] = None
+
+
+class ProductSearchResult(BaseModel):
+    id: int
+    name: str
+    default_code: Optional[str] = None
+    list_price: float
+    qty_available: float
+
+
+class StockInfo(BaseModel):
+    product_id: int
+    product_name: str
+    qty_available: float
+    qty_reserved: float
+    qty_incoming: float
+    qty_outgoing: float
+    virtual_available: float