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.
Resumed sessions repair assistant messages missing an id
You'll notice
Useful3Signal2
Sessions
Old sessions with malformed assistant messages now resume cleanly instead of coming back broken.
What's wrong with this entry?
Anonymous. No account, no email.
What
Assistant messages saved without an internal message id, an artifact of older stream-json input handling, are now given a generated id when a session is resumed instead of coming back broken.
Details
Runs unconditionally on the resume path and logs how many entries it stamped.
Tracked upstream as issue #61940.
Evidence
stamped a message.id on ${y} id-less assistant entr
Strings lifted out of the shipped bundle, so the claim above can be checked against them.