{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://paloframework.org/schemas/palo-case-file.schema.json",
  "title": "PALO Case File",
  "type": "object",
  "required": ["format", "schemaVersion", "caseId", "title", "status", "createdAt", "updatedAt", "context", "assessments", "evidence", "sources", "incidents", "handoffs"],
  "properties": {
    "format": { "const": "palo-case-file" },
    "schemaVersion": { "const": "1.0.0" },
    "caseId": { "type": "string", "pattern": "^case-[a-z0-9][a-z0-9-]{5,63}$" },
    "title": { "type": "string", "minLength": 1, "maxLength": 200 },
    "status": { "enum": ["draft", "active", "review", "closed", "reopened"] },
    "createdAt": { "type": "string", "format": "date-time" },
    "updatedAt": { "type": "string", "format": "date-time" },
    "owner": { "type": "string", "maxLength": 200 },
    "context": { "type": "object" },
    "assessments": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["assessmentId", "module", "recordedAt", "data"],
        "properties": {
          "assessmentId": { "type": "string", "minLength": 1 },
          "module": { "type": "string", "minLength": 1 },
          "recordedAt": { "type": "string", "format": "date-time" },
          "data": { "type": "object" }
        },
        "additionalProperties": true
      }
    },
    "evidence": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["evidenceId", "title", "kind", "status", "recordedAt"],
        "properties": {
          "evidenceId": { "type": "string", "minLength": 1 },
          "title": { "type": "string", "minLength": 1 },
          "kind": { "type": "string", "minLength": 1 },
          "status": { "enum": ["open", "draft", "ready", "verified", "superseded"] },
          "recordedAt": { "type": "string", "format": "date-time" },
          "content": {}
        },
        "additionalProperties": true
      }
    },
    "sources": {
      "type": "array",
      "items": { "$ref": "#/$defs/source" }
    },
    "incidents": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["incidentId", "triggerId", "occurredAt", "summary", "reopenGates"],
        "properties": {
          "incidentId": { "type": "string", "minLength": 1 },
          "triggerId": { "type": "string", "minLength": 1 },
          "occurredAt": { "type": "string", "format": "date-time" },
          "summary": { "type": "string", "minLength": 1 },
          "reopenGates": { "type": "array", "items": { "type": "string" }, "minItems": 1, "uniqueItems": true }
        },
        "additionalProperties": true
      }
    },
    "handoffs": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["handoffId", "from", "to", "createdAt"],
        "properties": {
          "handoffId": { "type": "string", "minLength": 1 },
          "from": { "type": "string", "minLength": 1 },
          "to": { "type": "string", "minLength": 1 },
          "createdAt": { "type": "string", "format": "date-time" }
        },
        "additionalProperties": true
      }
    }
  },
  "$defs": {
    "source": {
      "type": "object",
      "required": ["sourceId", "title", "url", "sourceType", "publisher", "checkedAt", "freshness"],
      "properties": {
        "sourceId": { "type": "string", "minLength": 1 },
        "title": { "type": "string", "minLength": 1 },
        "url": { "type": "string", "format": "uri" },
        "sourceType": { "enum": ["official", "standard", "organizational", "research", "monitoring-signal"] },
        "publisher": { "type": "string", "minLength": 1 },
        "checkedAt": { "type": "string", "format": "date-time" },
        "freshness": {
          "type": "object",
          "required": ["status", "reviewIntervalDays", "nextReviewAt"],
          "properties": {
            "status": { "enum": ["current", "review-due", "stale", "superseded", "unknown"] },
            "reviewIntervalDays": { "type": "integer", "minimum": 1, "maximum": 3650 },
            "nextReviewAt": { "type": "string", "format": "date-time" },
            "supersededBy": { "type": "string", "format": "uri" }
          },
          "additionalProperties": true
        }
      },
      "additionalProperties": true
    }
  },
  "additionalProperties": true
}