{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "SCUMCompanionHealthSnapshot",
  "type": "object",
  "additionalProperties": false,
  "required": ["status", "observedAt"],
  "properties": {
    "status": {
      "type": "string",
      "enum": ["online", "degraded", "offline"]
    },
    "version": {
      "type": "string",
      "minLength": 1,
      "maxLength": 40
    },
    "observedAt": {
      "type": "string",
      "maxLength": 64,
      "format": "date-time"
    },
    "latencyMs": {
      "type": "integer",
      "minimum": 0,
      "maximum": 30000
    },
    "capabilities": {
      "type": "array",
      "maxItems": 16,
      "items": {
        "type": "string",
        "pattern": "^[a-z][a-z0-9.-]{0,79}$"
      },
      "uniqueItems": true
    }
  }
}