Why it matters

Untraced agents opaque. Traces shape debuggability.

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The architecture

Log: prompt, thought, action, observation.

Structured for analysis.

Reasoning tracePromptinput to LLMThoughtreasoningActiontool callStructured traces enable regression detection + explainability
Trace elements.
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How it works end to end

Format: JSON structured traces.

Store: trace store (Langfuse, Arize).

Analyze: patterns of failure.