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/customers/routes/api/admin.py

@@ -10,15 +10,15 @@ from sqlalchemy.orm import Session
 
 from app.api.deps import get_current_admin_api, require_module_access
 from app.core.database import get_db
-from app.modules.customers.services import admin_customer_service
-from app.modules.enums import FrontendType
-from models.schema.auth import UserContext
 from app.modules.customers.schemas import (
     CustomerDetailResponse,
     CustomerListResponse,
     CustomerMessageResponse,
     CustomerStatisticsResponse,
 )
+from app.modules.customers.services import admin_customer_service
+from app.modules.enums import FrontendType
+from models.schema.auth import UserContext
 
 # Create module-aware router
 admin_router = APIRouter(