{
  "$id": "https://chainchoice.io/methodology/spec/index.json",
  "title": "ChainChoice Methodology Spec — Index",
  "version": "1.0.0",
  "license": "CC-BY-4.0",
  "description": "Machine-readable primitives of the ChainChoice cognitive stack. Each schema below anchors one layer of the methodology and is the canonical source-of-truth for that layer's data shape. Partners may import, derive, and redistribute under CC-BY-4.0 with attribution.",
  "schemas": [
    {
      "level": 1,
      "layer": "Intent",
      "schema": "archetype-taxonomy.schema.json",
      "summary": "Coarse cohort the user is acting from — first-time cautious, advanced operator, embedded partner, etc."
    },
    {
      "level": 4,
      "layer": "Decision DNA",
      "schema": "decision-dna.schema.json",
      "summary": "Behavioral fingerprint inferred from HOW the user decides, not what they decide."
    },
    {
      "level": 5,
      "layer": "Market",
      "schema": "signal-taxonomy.schema.json",
      "summary": "Time-anchored signals (yields, fees, custody state, regulatory events) that drive the engine."
    },
    {
      "level": 6,
      "layer": "Receipt",
      "schema": "receipt.schema.json",
      "summary": "The artifact of a decision — every recommendation produces one and only one canonical receipt."
    },
    {
      "level": 7,
      "layer": "Audit Trail",
      "schema": "audit-trail.schema.json",
      "summary": "Append-only hash-linked event log. SOC 2 + MiCA + GDPR Article 22 evidence layer."
    }
  ]
}