guunergooner a3505aeec4 feat: Add DeepSeek thinking mode support for OpenAI compatibility layer (#206) ...

* feat: Add DeepSeek thinking mode support for OpenAI compatibility layer

- Add DeepSeek reasoning models support (deepseek-reasoner and DeepSeek-V3.2)
- Automatic thinking mode detection based on model name
- Inject thinking parameters in request body (both official API and vLLM formats)
- Preserve reasoning_content in message conversion for tool call iterations
- Extract buildOpenAIRequestBody() for testability
- Treat multimodal inputs (e.g. images) as new turn boundaries
- Fix env var cleanup in tests to prevent state leak

Signed-off-by: guunergooner <tongchao0923@gmail.com>

* docs: update contributors

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Signed-off-by: guunergooner <tongchao0923@gmail.com>
Co-authored-by: guunergooner <18660867+guunergooner@users.noreply.github.com>

2026-04-08 21:33:26 +08:00

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