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Evaluation, observability and reliability

The useful unit is a traceable turn: correlated evidence, taxonomy, and a production→eval→repair loop.

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Video summary

The ideas to retain

01

A transcript is not the system's ground truth

A transcript is valuable evidence, but it only describes part of the path. Consider this turn:

02

The useful unit of analysis is the logical turn

A full session is too coarse for many decisions. A provider request is too narrow. A useful unit is usually a logical turn: from evidence that the user is trying to communicate something…

03

Observed, inferred, and judged are different kinds of evidence

Record where a signal came from:

Key moments

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  1. Turn trace
  2. Taxonomy
  3. Repair loop