SkillKit.Hooks.Command (SkillKit v0.1.0)

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Hook handler that shells out to a command.

Exit code semantics (matching Claude Code):

  • 0 — :ok (allow)
  • 2 — {:deny, output} (block)
  • Other — :ok (non-blocking error)

The hook context is passed as JSON in the HOOK_INPUT environment variable.