This is all documented [1]. Once is documented [2], async and asyncRewake are documented [3] too. Skills frontmatter is fully documented [4]. Automode environment strings are documented [5].

This article is pure AI-written clickbait and I'm surprised to see such an uptake here.

[1] https://code.claude.com/docs/en/hooks#pretooluse-decision-co...

[2] https://code.claude.com/docs/en/hooks#common-fields

[3] https://code.claude.com/docs/en/hooks#command-hook-fields

[4] https://code.claude.com/docs/en/skills#frontmatter-reference

[5] https://code.claude.com/docs/en/auto-mode-config#define-trus...