- Introduced `image_generate` tool for generating images from text prompts, with options for specifying output file paths and image dimensions.
- Updated `image_read` functionality to allow optional provider specification for enhanced image analysis.
- Implemented new `GenerateImage` method in the LLM API for seamless integration of image generation capabilities.
- Enhanced documentation to include detailed usage examples for both image reading and generation tools.
- Updated tests to validate new image generation features and ensure robust functionality across image tools.
- Update the `ToMap` function in `capabilities.go` to include the `stt` capability from OpenAI.
- Modify the `convertAnthropicCaps` function to map the `STT` field from Anthropic capabilities.
- Enhance documentation in `llm.go` to describe the new `stt` capability for audio transcription models.
