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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.

All of v2.1.242 Home All releases olderv2.1.241 v2.1.243newer
Claude Code v2.1.242

Stall and silence timers in the cloud headless client

Under the hood
Useful2 Signal2
Cloud Sessions

The cloud headless client warns on slow startup and reconnects when a session goes quiet.

What

While the cloud container is still provisioning, a timer warns once if anything is already queued to send. After each send, a watchdog reconnects the stream if the cloud session goes quiet, using a longer timeout while the session is compacting its history.

Details
  • Both timers increment a watchdog_fires count in the record written at end of run.
  • Reporting presence and setting a session title are skipped when the session is in essential-traffic-only mode.
Evidence

Still waiting for the cloud session to start; what you sent will be delivered when it is ready.

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

See this entry in the whole of v2.1.242 →