Add MLX support

[yansigit]

Checklist:

• I have read the Contributing guidelines.

This PR adds MLX support for Apple Silicone devices. #4833

[Copilot]

Pull Request Overview

This PR adds MLX support for Apple Silicon devices, enabling text generation using Apple's MLX framework. MLX is optimized for Apple Silicon hardware and provides an alternative to traditional GPU-based inference.

• Adds MLX as a new loader option for Apple Silicon devices
• Creates a comprehensive MLX model implementation with streaming and non-streaming generation
• Integrates MLX model detection and parameter mapping for the webui

Reviewed Changes

Copilot reviewed 7 out of 8 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
requirements/portable/requirements_apple_silicon.txt	Adds mlx-lm dependency for portable installations
requirements/full/requirements_apple_silicon.txt	Adds mlx-lm dependency for full installations
modules/text_generation.py	Integrates MLXModel into generation pipeline
modules/models_settings.py	Adds MLX model detection logic for Apple Silicon
modules/models.py	Adds MLX loader function and unload support
modules/mlx_loader.py	Implements complete MLX model class with generation capabilities
modules/loaders.py	Adds MLX loader configuration and sampling parameters