Under the hood
Useful2 Signal3
Events sent to the remote session endpoint are now signed envelopes.
What's wrong with this entry?
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What
Events posted to the remote session endpoint are no longer assembled inline; they are passed through a signer and the returned envelope is posted. The remote session manager threads the same signing options into its client config and into the withheld-initial-prompt send. Nothing in this code gates it on the remote path.
Evidence
/v1/code/sessions/
Strings lifted out of the shipped bundle, so the claim above can be checked against them.