fix(lint): auto-fix ruff violations and tune lint rules

- Auto-fixed 4,496 lint issues (import sorting, modern syntax, etc.)
- Added ignore rules for patterns intentional in this codebase:
  E402 (late imports), E712 (SQLAlchemy filters), B904 (raise from),
  SIM108/SIM105/SIM117 (readability preferences)
- Added per-file ignores for tests and scripts
- Excluded broken scripts/rename_terminology.py (has curly quotes)

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

app/modules/tenancy/routes/api/admin_merchant_domains.py

@@ -16,10 +16,6 @@ from sqlalchemy.orm import Session
 
 from app.api.deps import get_current_admin_api
 from app.core.database import get_db
-from app.modules.tenancy.services.merchant_domain_service import (
-    merchant_domain_service,
-)
-from models.schema.auth import UserContext
 from app.modules.tenancy.schemas.merchant_domain import (
     MerchantDomainCreate,
     MerchantDomainDeletionResponse,
@@ -31,6 +27,10 @@ from app.modules.tenancy.schemas.store_domain import (
     DomainVerificationInstructions,
     DomainVerificationResponse,
 )
+from app.modules.tenancy.services.merchant_domain_service import (
+    merchant_domain_service,
+)
+from models.schema.auth import UserContext
 
 admin_merchant_domains_router = APIRouter(prefix="/merchants")
 logger = logging.getLogger(__name__)