{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://mischiefmanager.local/schemas/evidence-bundle.v1.schema.json",
  "title": "EvidenceBundle",
  "type": "object",
  "additionalProperties": false,
  "required": ["bundleVersion", "createdAt", "taxonomyVersion", "policyVersion", "events"],
  "properties": {
    "bundleVersion": { "type": "string", "pattern": "^1\\." },
    "createdAt": { "type": "string", "format": "date-time" },
    "taxonomyVersion": { "type": "string" },
    "policyVersion": { "type": "string" },
    "events": {
      "type": "array",
      "minItems": 1,
      "items": { "$ref": "#/$defs/impressionEvent" }
    }
  },
  "$defs": {
    "tier": { "type": "string", "enum": ["block", "blur", "allow", "allow_log"] },
    "suslinkSnap": {
      "type": "object",
      "additionalProperties": false,
      "required": ["riskLevel", "reason", "scannedAt"],
      "properties": {
        "riskLevel": {
          "type": "string",
          "enum": ["safe", "suspicious", "high", "critical"]
        },
        "reason": { "type": "string" },
        "scannedAt": { "type": "string", "format": "date-time" }
      }
    },
    "impressionEvent": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "eventId",
        "decidedAt",
        "tier",
        "matchedCategories",
        "policyRuleIds",
        "surface",
        "landingUrlHash"
      ],
      "properties": {
        "eventId": { "type": "string", "format": "uuid" },
        "decidedAt": { "type": "string", "format": "date-time" },
        "tier": { "$ref": "#/$defs/tier" },
        "matchedCategories": {
          "type": "array",
          "items": { "type": "string", "pattern": "^CAT-[0-9]{2}$" }
        },
        "policyRuleIds": { "type": "array", "items": { "type": "string" } },
        "surface": { "type": "string" },
        "landingUrlHash": { "type": "string", "pattern": "^[a-f0-9]{64}$" },
        "creativeHash": { "type": "string" },
        "suslink": { "$ref": "#/$defs/suslinkSnap" },
        "userDeclaredSensitivities": { "type": "array", "items": { "type": "string" } },
        "userReport": {
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "freeText": { "type": "string" },
            "contactRef": { "type": "string" },
            "jurisdiction": { "type": "string" }
          }
        }
      }
    }
  }
}