{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://stella-ops.org/schemas/trust-vector/1.0.0",
  "title": "Trust Vector",
  "description": "3-component trust vector for VEX sources (Provenance, Coverage, Replayability)",
  "type": "object",
  "required": ["provenance", "coverage", "replayability"],
  "properties": {
    "sourceId": {
      "type": "string",
      "description": "Identifier of the VEX source"
    },
    "sourceClass": {
      "type": "string",
      "description": "Classification of the source",
      "enum": ["vendor", "distro", "internal", "hub", "attestation"]
    },
    "provenance": {
      "type": "number",
      "description": "Cryptographic and process integrity score [0..1]",
      "minimum": 0,
      "maximum": 1
    },
    "coverage": {
      "type": "number",
      "description": "Scope match precision score [0..1]",
      "minimum": 0,
      "maximum": 1
    },
    "replayability": {
      "type": "number",
      "description": "Determinism and input pinning score [0..1]",
      "minimum": 0,
      "maximum": 1
    },
    "weights": {
      "$ref": "#/$defs/TrustWeights"
    },
    "baseTrust": {
      "type": "number",
      "description": "Computed base trust: wP*P + wC*C + wR*R",
      "minimum": 0,
      "maximum": 1
    },
    "computedAt": {
      "type": "string",
      "description": "Timestamp when this vector was computed",
      "format": "date-time"
    },
    "version": {
      "type": "string",
      "description": "Version of the trust vector configuration"
    }
  },
  "$defs": {
    "TrustWeights": {
      "type": "object",
      "description": "Weights for trust vector components",
      "properties": {
        "provenance": {
          "type": "number",
          "description": "Weight for provenance component (wP)",
          "minimum": 0,
          "maximum": 1,
          "default": 0.45
        },
        "coverage": {
          "type": "number",
          "description": "Weight for coverage component (wC)",
          "minimum": 0,
          "maximum": 1,
          "default": 0.35
        },
        "replayability": {
          "type": "number",
          "description": "Weight for replayability component (wR)",
          "minimum": 0,
          "maximum": 1,
          "default": 0.20
        }
      }
    }
  }
}