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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.239 21 Aug 2026

Worker-backed resumes carry the plan-mode decision through

Under the hood

Useful2 Signal2

Elsewhere

Worker and SDK resumes now carry the plan-mode decision into the restored session's permission mode.

What

Resume now returns a plan-mode-on-resume value that is passed into the worker's recorded permission mode, and restoring a session (external or internal) publishes that mode as metadata. This affects SDK and worker-backed resumes.

Details

The resume path logs when it re-enters plan mode from the previous worker's recorded mode.

Evidence

re-entering plan mode from the prior worker's record

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.239 →