VibeFallback: API Resilience Layer

I have wrapped the translation API call in a resilience layer. The implementation now enforces a 5.0s timeout and routes to a backup provider if the primary node times out or returns a status error.

Resilient Translation Implementation

import httpx
import logging
from fastapi import HTTPException

# Configuration for isolated failure domains
PRIMARY_API_URL = "https://api.primary-translator.com/v1/translate"
BACKUP_API_URL = "https://api.backup-translator.org/v1/translate"

async def get_translation_resilient(text: str, target_lang: str) -> dict:
    payload = {"q": text, "target": target_lang}
    headers = {"Authorization": "Bearer ${TRANSLATION_KEY}"}
    
    async with httpx.AsyncClient() as client:
        try:
            # Primary Route Attempt with strict timeout
            response = await client.post(
                PRIMARY_API_URL, 
                json=payload, 
                headers=headers, 
                timeout=5.0
            )
            response.raise_for_status()
            return response.json()

        except (httpx.HTTPStatusError, httpx.TimeoutException, httpx.NetworkError) as e:
            # Status Interception & Failover Trigger
            logging.warning(
                f"VibeFallback: Primary translation node failed. Error: {type(e).__name__}. "
                "Initiating secondary routing to isolated backup."
            )
            
            try:
                # Failover Cascade to secondary provider
                backup_response = await client.post(
                    BACKUP_API_URL, 
                    json=payload, 
                    headers=headers, 
                    timeout=5.0
                )
                backup_response.raise_for_status()
                return backup_response.json()
            
            except Exception as secondary_error:
                # Final degradation if all vectors fail
                logging.error(f"Critical System Outage: All translation routes exhausted. Log: {str(secondary_error)}")
                raise HTTPException(
                    status_code=502, 
                    detail="Translation services currently unavailable. Please try again later."
                )

Next steps

1. Update your environment variables to include the BACKUP_API_URL and corresponding credentials.
2. Verify that the backup provider's JSON response schema matches your frontend expectations.
3. Configure your logging drain to pipe VibeFallback warnings into a dedicated monitoring dashboard.