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You inherit an agent with 1,000 logged conversations and no labels. The customer wants a quality number by Friday. Where do you start?

The fast answer is to point an LLM judge at all 1,000 and report its average. That number arrives on time and tells the customer almost nothing. What do you deliver on Friday instead, and why is it more useful?

Updated Nov 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.

The fast answer is to point an LLM judge at all 1,000 and report its average. That number arrives on time and tells the customer almost nothing. What do you deliver on Friday instead, and why is it more useful?

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