When working on or commenting on security, check first file `./agents/security.md`.

When editing `.github/workflows/*.yml`, see `./agents/github-actions-security.md`.

Bash style guide (variables, printf, locals, traps, sourcing, `has`,
shellcheck targets, ...) is hosted canonically in
[`developer-meta-files:agents/bash-style-guide.md`](https://github.com/Kicksecure/developer-meta-files/blob/master/agents/bash-style-guide.md).
We do not duplicate it.
