feat: Add reasoning and capability controls for OpenAI Compatible models #4860
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Related to #4506 and #7370
Summary
This PR addresses the pain points around configuring reasoning and tool capabilities for custom OpenAI-compatible models (like DeepSeek R1).
Findings: Existing GitHub issues (#4506, #7370) confirm that reasoning support for custom OpenAI-compatible models (like DeepSeek) has been a pain point. Code analysis revealed that the backend logic in
base-openai-compatible-provider.tshas support for reasoning (via<think>tags) and tools, but these features were gated by flags that were unreachable from the UI for custom models.Changes
OpenAiHandlerto inject thethinkingparameter when reasoning is enabled and the model supports it (supportsReasoningBinary).supportsNativeToolsflag.How to Verify
deepseek-reasoner).