Are you there? Hass

TL;DR: Turn on the lights when you unlock your desktop/laptop. "Are you there? Hass" is a Chrome extension that reports to Home Assistant when your desktop/laptop user session is active, locked or idle. While it works on any OS, it is particularly useful for ChromeOS. Home Assistant can then be automated when you unlock/lock your desktop/laptop to turn on/off the lights, or in the extreme case automate your chair.