feat: Add SMS code to Redis channel data

Added SMS code to form approval data:
- Frontend: Pass SMS code to saveFormData function
- Frontend: Include sms_code in payload sent to backend
- Backend: Include sms_code in Redis event data

This allows n8n workflow to access the verified SMS code for logging/audit purposes.

Files:
- frontend/src/components/form/StepClaimConfirmation.tsx
- backend/app/api/claims.py

backend/app/api/claims.py

@@ -483,6 +483,7 @@ async def publish_form_approval(request: Request):
             "session_token": session_token,
             "unified_id": body.get("unified_id"),
             "phone": body.get("phone"),
+            "sms_code": body.get("sms_code", ""),  # SMS код для верификации
             "sms_verified": True,
             "idempotency_key": idempotency_key,  # Для защиты от дублей в RabbitMQ
             "timestamp": datetime.utcnow().isoformat(),