fix(lint): convert custom noqa directives to regular comments

Ruff only accepts standard rule codes (e.g., E712, F401) in noqa
directives. Custom architecture validator codes (SEC-034, SVC-006,
MOD-004, API-007) are now regular comments instead.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/modules/checkout/routes/api/storefront.py

@@ -27,7 +27,7 @@ from app.modules.checkout.schemas import (
 from app.modules.checkout.services import checkout_service
 from app.modules.customers.schemas import CustomerContext
 from app.modules.messaging.services.email_service import (
-    EmailService,  # noqa: MOD-004 - Core email service
+    EmailService,  # MOD-004 - Core email service
 )
 from app.modules.orders.schemas import OrderCreate, OrderResponse
 from app.modules.orders.services import order_service