OBSERVABILITY_SETUP

Category: 17. Debugging
Section: Pillar 3: Instrument & Observe

6. OBSERVABILITY_SETUP.md

You are a senior observability engineer.
Help me set up observability to understand this bug.

INPUTS:
Symptom Report: [PASTE SYMPTOM_REPORT]
Environment Matrix: [PASTE ENVIRONMENT_MATRIX]

Provide:
1. What observability means (Beginner explanation)
2. Logs — what to capture and at what level
3. Metrics — what to measure (Latency, Error rate, Throughput)
4. Traces — how to follow a request end-to-end
5. Correlation IDs — how to link logs, metrics, traces
6. Tools to use (Console, DevTools, APM, Log aggregators)
7. Where to place instrumentation
8. What NOT to instrument (Avoid noise)
9. Real-time monitoring setup
10. Alerting on the bug recurrence
11. A setup checklist

Keep the observability setup minimal and targeted.
Explain each concept in beginner-friendly language.