OmniRoute

mirror of https://github.com/diegosouzapw/OmniRoute.git synced 2026-09-18 21:02:50 +03:00

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Vadim Zhyvylo 50a6f7e325 fix(translator): keep system content parts as Responses instructions (#12207 )

The leading system message was read as `typeof content === "string" ?
content : ""`, so a Chat-Completions content-part array — valid for
`system`, and what every prompt-caching client sends — collapsed the
whole system prompt into an empty `instructions`. Upstream accepted the
request and reported a normal prompt_tokens count, so the model answered
with no instructions at all and nothing in the response said so.

Mid-conversation system turns already handled the array shape (#7056);
only the first one did not. Reuses buildResponsesTextParts() and joins
the text parts, since `instructions` is a string rather than a part array.

Co-authored-by: Vadim Zhyvylo <zhyvylo@involve.software>

2026-09-01 00:46:46 -03:00