major refactoring adding vendor and customer features

tests/unit/services/test_vendor_service.py

@@ -37,7 +37,7 @@ class TestVendorService:
 
         assert vendor is not None
         assert vendor.vendor_code == "NEWVENDOR"
-        assert vendor.owner_id == test_user.id
+        assert vendor.owner_user_id == test_user.id
         assert vendor.is_verified is False  # Regular user creates unverified vendor 
 
     def test_create_vendor_admin_auto_verify(self, db, test_admin, vendor_factory):
@@ -51,7 +51,7 @@ class TestVendorService:
     def test_create_vendor_duplicate_code(self, db, test_user, test_vendor):
         """Test vendor creation fails with duplicate vendor code"""
         vendor_data = VendorCreate(
-            vendor_code=test_vendor.vendor_code, vendor_name=test_vendor.vendor_name
+            vendor_code=test_vendor.vendor_code, vendor_name=test_vendor.name
         )
 
         with pytest.raises(VendorAlreadyExistsException) as exc_info:
@@ -84,7 +84,7 @@ class TestVendorService:
 
         exception = exc_info.value
         assert exception.error_code == "INVALID_VENDOR_DATA"
-        assert exception.details["field"] == "vendor_name"
+        assert exception.details["field"] == "name"
 
     def test_create_vendor_invalid_code_format(self, db, test_user):
         """Test vendor creation fails with invalid vendor code format"""