Confirm that configuration artifacts (docs, config files, and ignore lists) match actual runtime behavior and preserve developer workflows.

Why: Incorrect docs or overly broad ignore rules cause confusion and break common development scenarios (hot UI changes, devcontainer editor settings, in-container git commits).

How to apply:

still ignore node_modules in image builds

node_modules

Checklist before committing changes to configs:

Adopting this rule reduces surprises for developers and ensures configuration changes are both accurate and safe for everyday workflows.