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Forward provider options in the DeepSeek handlers. Fixes #1031#1032

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Forward provider options in the DeepSeek handlers. Fixes #1031#1032
leobeal wants to merge 1 commit into
prism-php:mainfrom
leobeal:main

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@leobeal leobeal commented Jul 25, 2026

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Description

DeepSeek thinking mode option and others were simply being discarded. This PR adds support for them.
FIxes #1031

DeepSeek accepts per-request knobs the handlers never passed on, so
withProviderOptions() was silently dropped for this provider — the only
way to reach them was to bypass Prism and call the API directly.

Notably `thinking: {type: 'disabled'}`, which skips reasoning on models
that would otherwise think before answering: measured 5.4s to 1.1s on
deepseek-v4-flash for a one-line generation, with no reasoning tokens
billed. Also reasoning_effort (low|medium|high|max|xhigh), the penalties
and stop.

Wired through Text, Stream and Structured, via Arr::whereNotNull so an
unset option stays out of the body. Structured keeps setting its own
response_format rather than letting an option fight it.
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Thinking mode on DeepSeek can't be disabled.

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