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Library / First Principles Framework (FPF) - Core Conceptual Specification
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B.5.2.1:9 - Context‑Level KPIs (optional, informative)

Contexts may monitor these—not as gates, but to improve practice:

  1. Profile-specific assurance progression (optional). When a receiving domain uses an assurance-level profile, report the fraction of cycles whose candidate meets a named level under that profile within the policy window. Name the claim, use and satisfying evidence; omit this KPI when no such profile is used.
  2. Frontier‑Hit Rate (FHR). % of cycles where the chosen candidate lies on the Pareto front over the declared DominanceSet at selection time; track novelty/diversity contribution separately as archive, tie-break, or policy-promoted evidence.
  3. Coverage Gain (ΔI, report). Change in the illumination summary (coverage map/%filled cells) per cycle (how much of the descriptor space is now “lit”).
  4. Exploration Cost Ratio (ECR). Compute/time spent in NQD‑Generate divided by downstream Shape/Evidence cost saved (tracks whether the pattern pays for itself).
  5. Refutation Learning Yield (RLY). Among refuted candidates, % that added new coverage or raised SurpriseScore—turning “failures” into map‑building.