200 OK is the New 500: The Death of Deterministic Observability
It’s 3:00 AM. No calls, no alerts, everything looks spotless. The error rate is zero, p99 latency is a breezy 45ms, CPU and memory barely budge. On paper, you’re in the clear. What you’re about to experience is a semantic outage — and your monitoring has no vocabulary for it. Then your phone buzzes. The…