Function requireCommandSupported

src/daemon/handlers/response.ts:34–49

(
  command: string,
  device: DeviceInfo,
  options?: { message?: string; hint?: boolean },
)

 * device-specific unsupported hint (as generic command dispatch does).
 */
export function requireCommandSupported(
  command: string,
  device: DeviceInfo,
  options?: { message?: string; hint?: boolean },
): DaemonFailureResponse | null {
  if (isCommandSupportedOnDevice(command, device)) return null;
  const hint = options?.hint ? unsupportedHintForDevice(command, device) : undefined;
  return {
    ok: false,
    error: {
      code: 'UNSUPPORTED_OPERATION',
      message: options?.message ?? `${command} is not supported on this device`,
      ...(hint ? { hint } : {}),
    },
  };
}