* docs(#3043): add caution blocks for --dangerously-skip-permissions
The flag was presented without a caveat in docs/USER-GUIDE.md,
docs/tutorials/onboarding-an-existing-codebase.md, and all four translated
locales. Only the English first-project tutorial carried a proper [!CAUTION]
block. All 10 uncaveated occurrences now carry the same caution block
(optional flag, throwaway/low-stakes use, how to keep confirmations, link
to security model).
* chore(#3043): backfill changeset PR number 3121
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Co-authored-by: sim <sim@local>
610ebdebe8