You'll notice
Useful3 Signal2
Artifact publish errors now say whether retrying will help, based on the HTTP status.
What's wrong with this entry?
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What
When Claude Code cannot read back a page to verify a live edit, republish or publish, the message now branches on the HTTP status. Any 4xx other than 408 and 429 is reported as permanent with advice not to retry, 403 adds a note to retry at most once because a concurrent republish can cause it, and reads blocked by the environment's network allowlist say so.
Evidence
An HTTP ${zt.status} failure is not transient, so retrying this live-edit cannot succeed \u2014 WebFetch the page to check its state.
Strings lifted out of the shipped bundle, so the claim above can be checked against them.