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Useful4 Signal3
Hung requests are aborted when headers never arrive, and you can tune the window.
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CLAUDE_STREAM_FIRST_BYTE_TIMEOUT_MSAPI_TIMEOUT_MS
What
Streaming requests, and Bedrock POSTs to the invoke path, are now wrapped in a watchdog that aborts if the first response headers never arrive. The budget is computed from the request body size and API_TIMEOUT_MS, and CLAUDE_STREAM_FIRST_BYTE_TIMEOUT_MS overrides it. Time the machine spent asleep is measured and reported separately, so a laptop that suspended mid-request is not mistaken for a hung server.
Details
- Applies to armed requests only; other calls keep their existing timeout behaviour.
- Aborts are reported under the
tengu_api_no_response_timeoutevent with the sleep-adjusted duration.
Evidence
tengu_api_no_response_timeout
Strings lifted out of the shipped bundle, so the claim above can be checked against them.