* Update litellm requirement from >=1.40.0 to >=1.106.2
Supersedes #4595.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* LLM - Add DeepSeek, Groq, Mistral, Together AI and xAI to the provider list
All five serve OpenAI's GET /models, so "Load available models" works for
them via model_list without importing litellm. Together's bare-list response
and its image/embedding models are handled, and Mistral's {"detail": ...}
errors are surfaced.
Also re-select Anthropic on page load for saved 'anthropic/claude-...' models,
the form the model list returns.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>