Function failure

app/src/AI/FileSandbox.cpp:49–58

* @brief Builds a failure envelope with an error code and optional hint. */

 * @brief Builds a failure envelope with an error code and optional hint.
 */
static QJsonObject failure(const QString& error, const QString& hint = {})
{
  QJsonObject out;
  out[QStringLiteral("ok")]    = false;
  out[QStringLiteral("error")] = error;
  if (!hint.isEmpty())
    out[QStringLiteral("hint")] = hint;

  return out;
}

/**
 * @brief Returns a workspace-relative display path, or the absolute path if outside.