Nives is a Home Assistant addon (app) with a local in-house memory you can use for your preference like temperature in your living room etc.
It has capabilities to create automations simply by speaking to her.
Voice & text via Assist, plain-language automations with confirm-first previews, one-click add-on install. Cloud or bring your own key.
You can look at the repo here.
BYOK or check out the Nives Cloud with Stripe and Lightning support integrated.