Kling AI Production Checklist Overview Checklist covering authentication, error handling, cost controls, monitoring, security, and content policy before deploying Kling AI video generation to production. Authentication - [ ] AK/SK stored in secrets manager (not in repo) - [ ] JWT auto-refresh with 5-min buffer before 30-min expiry - [ ] Separate API keys per environment (dev/staging/prod) - [ ] Key rotation schedule (quarterly minimum) - [ ] format verified Error Handling - [ ] HTTP 400/401/402/403/429/5xx all handled - [ ] Exponential backoff with jitter for 429/5xx retries - [ ] Max retry l…