XFEstudio/gpt4free

fix: resolve model duplication and improve provider handling

- Fixed duplicate model entries in Blackbox provider model_aliases - Added meta-llama- to llama- name cleaning in Cloudflare provider - Enhanced PollinationsAI provider with improved vision model detection - Added reasoning support to PollinationsAI provider - Fixed HuggingChat authentication to include headers and impersonate - Removed unused max_inputs_length parameter from HuggingFaceAPI - Renamed extra_data to extra_body for consistency across providers - Added Puter provider with grouped model support - Enhanced AnyProvider with grouped model display and better model organization - Fixed model cleaning in AnyProvider to handle more model name variations - Added api_key handling for HuggingFace providers in AnyProvider - Added see_stream helper function to parse event streams - Updated GUI server to handle JsonConversation properly - Fixed aspect ratio handling in image generation functions - Added ResponsesConfig and ClientResponse for new API endpoint - Updated requirements to include markitdown