> ## Documentation Index
> Fetch the complete documentation index at: https://docs.elevatedsignals.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# From first deviation to closure

> A guided end-to-end walkthrough of the core quality loop.

This tutorial walks you through the full enforced lifecycle with a worked example:
**deviation → RCA → linked CAPA → actions → effectiveness → signed close.**

See [The quality-event lifecycle](/invariant/explanation/quality-event-lifecycle) for the concepts behind it.