I believe this is the only way to make sure we can make LLM work more deterministic

https://www.youtube.com/embed/uMvTAF280so

If this is not enough for you to see the massive value state machines bring to any codebase, I don't know what will...

---

See also:

State machines are great, but hard to establish — team adoption challenges and mixed logic patterns

Modeling resizable panels using State Machines — concrete UI state machine example

Notes about how the document machine should work — Seed's document lifecycle as a state machine

UI with State Machines — external hub with practical guides, patterns, and case studies on state-machine-driven UI development

Agents and State Machines — detailed state machine model for Pi-sdk-based agents (Lamport-style + Kay-style)

Our distributed objects are state machines — Lamport on the foundational idea of state machines in distributed systems

Why aren't we using state machines more in our complex application? — practical scenarios where state machines reduce complexity

State Machines — Knowledge Map — hub page collecting all state-machine-related documents across the repository

How to Background Agents — practical use of Cursor background agents; the state machine pattern makes their behavior observable and predictable

Vibe code like a PRO — proposes a Linear-to-PR pipeline where background agents resolve issues autonomously; state machines make that agent behavior deterministic and observable