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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

Scheduled runs are told to format their notification as a phone banner plus email body

Under the hood
Useful2 Signal4
Terminal UI

Scheduled runs format notifications so the first sentence becomes a phone banner and the rest an email body.

What

When Claude Code is started by a scheduled routine on Anthropic's side, the notification tool now gets extra instructions: wrap the message in <routine_summary> tags so the first sentence becomes the phone banner and the full text becomes the email body. Ordinary interactive sessions never see this appendix.

Details
  • Appended only when the launch entrypoint (CLAUDE_CODE_ENTRYPOINT) is remote_trigger or remote_cowork_trigger, both of which are set by the server when it starts a scheduled run.
  • Nothing in the shipped app parses <routine_summary>; the tags are read by the server that turns the run into a notification.
Evidence

the notification is how the run reaches its owner

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

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.239 →