[userbinator]

The shop can mark a car as done and the LLM can call to inform the client that they can come at a preset, unchanging time to get the vehicle. If the vehicle is staying overnight, the LLM can call with a progress update.

This doesn't need an LLM. It can be and has already been done for many years with a simple TTS.

[idle_zealot]

What, you don't want your notification system to slightly change its phrasing and voice each time it's triggered? It's a steal at only 10x the cost.