Prevent data registration outage and reduce loss

For three consecutive months, the paid registration flow failed silently, losing thousands of sign-ups and associated revenue. You are the analytics lead embedded with engineering. Create a complete prevention and mitigation plan that addresses the following: (a) Reliability and data quality: define SLIs and SLOs for the full registration journey. Cover at least end-to-end registration success rate, event lag/freshness, observed volume versus forecast, synthetic canary…