language_models: Activate StreamEnded support in completion streams for Cloud provider#49337
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language_models: Activate StreamEnded support in completion streams for Cloud provider#49337
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Now that the cloud-side StreamEnded support has landed (CLO-263), enable it on the Zed client: - Send the `x-zed-client-supports-stream-ended-request-completion-status` header so cloud knows to send `StreamEnded` status events. - Track whether `StreamEnded` was received during the stream. - Emit `StreamEndedUnexpectedly` error when the stream closes without a `StreamEnded` status, indicating the response was truncated. Closes CLO-265, CLO-264, CLO-266
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Something for the release notes? Or irrelevant internal implementation detail? edit: feels like release notes relevant, adding it. |
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@tomhoule We should be good to land this after releases roll tomorrow, so it will have a week to bake on Nightly. |
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Sounds like a plan |
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Now that the cloud-side StreamEnded support has landed, enable it on the Zed client:
x-zed-client-supports-stream-ended-request-completion-statusheader so cloud knows to sendStreamEndedstatus events.StreamEndedwas received during the stream.StreamEndedUnexpectedlyerror when the stream closes without aStreamEndedstatus, indicating the response was truncated.Concretely, this means that the agent panel will now display an abnormally terminated response stream for model calls through a Zed subscription as an error instead of just stopping.
Release Notes: