This! We went from 20!! minutes and 1.2k monthly spend on very, very brittle action runs to a full CI run in 4 minutes, always passing, by just by going to Hetzner's server auction page and bid on a 100 euro Ryzen machine.
You are probably looking for Mods (https://github.com/charmbracelet/mods), their other CLI AI Agent tool that's not a TUI, but a commandline interface to AI Agents.