The free tier has mentioned that auto-suspend isn't configurable on the free tier for every archive I could find on the Wayback Machine.
If you want an always on compute on the free tier, you can just setup a cron job, and every 4 minutes or so send a "SELECT 1" which will keep the database awake.
There’s a disconnect here. You are 100% technically correct. Your product’s messaging is confusing. Saying “24/7 compute” makes some people think no cold starts. Enough people in fact that you have to keep correcting them.
If you want an always on compute on the free tier, you can just setup a cron job, and every 4 minutes or so send a "SELECT 1" which will keep the database awake.