Why it matters
Tracing shapes debug + ops. Understanding shapes design.
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The architecture
OTel SDK.
Spans per LLM call + tool.
Attributes: model, tokens, cost.
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How it works end to end
OTel GenAI conventions.
Auto-instrument via LangChain4j / Spring AI.
Export to Tempo, Jaeger, Datadog.
Trace exemplars from metrics.