feat: openai-compatible deepseek/qwq reasoning support

[lightrabbit]

Context

Implemented parsing support for think tags output by openai-compatible API.

Similar to PR #1080, not only the deepseek-r1:* models in Ollama use think tags to output reasoning content, but the QwQ model will also use the same approach to output reasoning content. When using vendors like Alibaba Cloud Baolian or VolcEngine, these providers will directly output content containing think tags instead of placing them in the reasoning field. Therefore, it's also necessary for OpenAI-compatible APIs to support processing think tags.

Implementation

Similar to PR #1080, I added XmlMatcher to src/api/providers/openai.ts, and it now works properly.

Screenshots

before	after

How to Test

• Add support for OpenAI-compatible API providers that support deepseek-r1 or QwQ models.
• Ask the model a question that triggers its reasoning.

Get in Touch

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Important

Adds support for parsing think tags in OpenAI-compatible APIs using XmlMatcher in openai.ts for deepseek-r1 and QwQ models.

• Behavior:
  • Adds support for parsing think tags in OpenAI-compatible APIs for deepseek-r1 and QwQ models.
  • Uses XmlMatcher in OpenAiHandler in openai.ts to differentiate between reasoning and text content.
• Implementation:
  • Integrates XmlMatcher to process streamed content, yielding reasoning or text based on think tags.
  • Updates createMessage() in OpenAiHandler to utilize XmlMatcher for processing streamed responses.
• Misc:
  • No changes to non-streaming message handling.

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[mrubens]

Thanks!