{"entry_point":{"summary":"Instrument services with OpenTelemetry and export OTLP traces/metrics/logs through a Collector for correlation and troubleshooting","when_to_use":"When building production observability, adding tracing to distributed systems, or standardizing telemetry across languages","quick_start":"1. Set service.name 2. Add auto-instrumentation 3. Export OTLP 4. Deploy Collector 5. Correlate logs with trace IDs"},"token_estimate":{"entry":150,"full":9000}}