{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://git.eeqj.de/sneak/chat/schema/s2c/error.json",
  "title": "S2C Error",
  "description": "Error message delivered via the message stream.",
  "type": "object",
  "properties": {
    "id": {
      "type": "integer"
    },
    "type": {
      "const": "error"
    },
    "ts": {
      "type": "string",
      "format": "date-time"
    },
    "code": {
      "type": "string",
      "description": "Machine-readable error code.",
      "examples": ["nick_in_use", "no_such_channel", "not_on_channel", "permission_denied"]
    },
    "content": {
      "type": "string",
      "description": "Human-readable error message."
    },
    "channel": {
      "type": "string",
      "description": "Related channel, if applicable."
    }
  },
  "required": ["id", "type", "ts", "code", "content"]
}