//  File:    weights.ts
//  Path:    packages/scoring/src/weights.ts
//  Project: AI Risk Index — airiskindex.io
//  Author:  Simon-Pierre Boucher
//  Contact: contact@spboucher.ai
//  Copyright © 2026 Simon-Pierre Boucher. All rights reserved.
//
//  Description: Composite dimension weights and orientation — single source of truth for the methodology.

/**
 * Composite dimension weights — the single source of truth (CLAUDE.md §1:
 * never hardcode weights anywhere else). METHODOLOGY.md §4.
 */
export const DIMENSIONS = [
  "automatability",
  "feasibility",
  "cost_ratio",
  "barriers",
  "adoption_velocity",
] as const;

export type DimensionKey = (typeof DIMENSIONS)[number];

export const WEIGHTS: Record<DimensionKey, number> = {
  automatability: 0.35,
  feasibility: 0.2,
  cost_ratio: 0.15,
  barriers: 0.2,
  adoption_velocity: 0.1,
};

/**
 * Dimensions where a higher rating means LESS substitution pressure
 * (stronger barriers protect the task) — METHODOLOGY.md §4 "orientation".
 */
export const INVERTED_DIMENSIONS: ReadonlySet<DimensionKey> = new Set(["barriers"]);

/** Dimensions composing the exposure sub-score — METHODOLOGY.md §5. */
export const EXPOSURE_DIMENSIONS: readonly DimensionKey[] = ["automatability", "feasibility"];