Do you like systemd?

Frankly, this should be implemented with something like a combination of:

https://github.com/QazCetelic/lemmy-know

Lemmy Know (let me know) is a lightweight CLI application / Docker service that monitors Lemmy for reports on posts and comments and sends notification. These can be sent to a Discord channel with a webhook or as MQTT messages (schema), which is useful for more complex setups with e.g., Node-RED.

https://www.home-assistant.io/

Open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts.

https://www.home-assistant.io/integrations/mqtt/

MQTT (aka MQ Telemetry Transport) is a machine-to-machine or “Internet of Things” connectivity protocol on top of TCP/IP. It allows extremely lightweight publish/subscribe messaging transport.

https://github.com/DevelopmentalOctopus/ha-buttplug

Buttplug.io Integration for Home Assistant

https://intiface.com/central/

Intiface® Central is an open-source, cross-platform application that acts as a hub for intimate haptics/sensor hardware access

Some collection of hardware devices from:

https://iostindex.com/?filter0Availability=Available%2CDIY&filter1Connection=Digital&filter2ButtplugSupport=4

That'd permit for, say, having message events drive a state machine to control devices or something like that.