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Question
What is the cleanest way to trace and log an agent workflow in production without much overhead?
Short answer
Wrap your model client once, record spans instead of printing logs, and send them in the background so your agent never waits on telemetry. Keep payloads to what you need and add detail only where you debug.
In more detail
Instrument at the edges
Wrap the model client and tool functions rather than every line of code. That covers the steps that cost money and fail.
Never block the request
Telemetry should be sent in the background and fail quietly, so a tracing problem cannot break your agent.
Control the volume
Sample routine runs, keep every failed run, and trim large payloads you do not need to read.
