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EvaluationVery Hard· Safety· Metrics· System Design

The clinical safety lead demands 99% correctness before...

This conflict represents a fundamental tension between safety requirements and product utility that cannot be resolved by compromise. The safety lead’s demand for 99% correctness is physically impossible given the current state of the stack. At approximately 80% macro-F1 on attribution judgment, the maximum achievable precision is roughly 94.5%. Because the safety lead’s bar is not available at any threshold, the team must instead focus on realistic performance bounds and transparently communicate these limitations to stakeholders.

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