Files
OmniRoute/tests/unit
Markus Hartung ebe086ebb5 fix(sse): surface OpenRouter mid-stream error chunks instead of a false empty success (#8210)
* fix(sse): surface OpenRouter mid-stream error chunks instead of a false empty success

OpenRouter (and similar OpenAI-compatible aggregators) can send an HTTP 200
SSE stream whose body carries a chat.completion.chunk with empty choices and
a top-level error object instead of any delta -- e.g. the underlying
provider hitting its own capacity limit mid-request. The Responses-API
response translator's `!chunk.choices?.length` branch treated this exactly
like a legitimate trailing-usage/no-op chunk, so the stream silently ended
with response.completed / error: null / output: [] -- a false "successful
but empty" response masking a real 502 provider_unavailable failure.

Live repro: request 1784726796287-a45bb3 (OpenClaw via the default combo,
nvidia/nemotron-3-ultra-550b-a55b:free via OpenRouter) got HTTP 200 with 0
tokens in/out after Nvidia returned "Worker local total request limit
reached (33/32)" mid-stream; the client saw an empty completed response
with no indication anything failed.

Mirrors the Gemini mid-stream error fix (#4177): set state.upstreamError
from the in-band error chunk so stream.ts's existing upstreamError handling
takes over (sendCompleted emits status: "failed" with a real error object).

Co-Authored-By: Markus Hartung <markus.hartream@gmail.com>

* chore(quality): file-size baseline for own-growth (#8210)

Co-authored-by: diegosouzapw <8016841+diegosouzapw@users.noreply.github.com>

---------

Co-authored-by: Markus Hartung <markus.hartream@gmail.com>
Co-authored-by: diegosouzapw <8016841+diegosouzapw@users.noreply.github.com>
2026-07-23 05:14:14 -03:00
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