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Library / First Principles Framework (FPF) - Core Conceptual Specification
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G.7:10 - Rationale

  • Why a kit (not a new governance card or legality gate)? Bridge calibration must support many downstream consumers without becoming a competing legality gate; governing-spec semantics remain governed by CG‑Spec/CN‑Spec.
  • Why BCT + RegressionSet + SentinelSet? Regression tests make calibration drift detectable; sentinels identify the downstream scopes to refresh.
  • Why row scopes? Because “comparable” is not one thing; scope must be explicit to avoid accidental substitution.