Function isTvOsDevice

src/kernel/device.ts:131–133

(device: Pick<DeviceInfo, 'platform' | 'target'>)

 * so the `isApplePlatform` gate is load-bearing (do not widen it to any TV target).
 */
export function isTvOsDevice(device: Pick<DeviceInfo, 'platform' | 'target'>): boolean {
  return isApplePlatform(device.platform) && device.target === 'tv';
}

export function isPlatform(value: unknown): value is Platform {
  // Internal device-platform membership derived from the canonical PLATFORMS tuple.