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/tenancy/schemas/store_domain.py

@@ -35,7 +35,7 @@ class StoreDomainCreate(BaseModel):
     def validate_domain(cls, v: str) -> str:
         """Validate and normalize domain."""
         # Remove protocol if present
-        domain = v.replace("https://", "").replace("http://", "")  # noqa: SEC-034
+        domain = v.replace("https://", "").replace("http://", "")  # SEC-034
 
         # Remove trailing slash
         domain = domain.rstrip("/")