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Library / First Principles Framework (FPF) - Core Conceptual Specification
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A.19.USCM:1 - Problem frame

FPF’s Characterization (CHR) suite treats scoring as a distinct mechanism boundary within the CHR suite (authoritative membership: A.19.CHR:4.2). Suite membership is a set (order has no semantics); any intended ordering is expressed only via suite_protocols (A.19.CHR:4.5), under the suite obligations (A.19.CHR:4.3).

Within the canonical suite-closed protocol, USCM appears as the score stage (after normalize and indicatorize, before comparison and selection). USCM’s surface is admissibility-first: it produces score measures from admitted profiles while remaining constrained by the admissibility gate (CG-Spec.SCP) and by scale-lawfulness (CSLC).

USCM exists to keep a strict distinction between:

  • normalization (UNM),
  • indicatorization (UINDM),
  • scoring (USCM),
  • aggregation/folding (ULSAM), and
  • comparison/ordering/selection (CPM + SelectorMechanism),

so that each commitment has a single place to live, can be audited, and can evolve without smuggling extra semantics into adjacent steps.