- Added a `hashUserID` function to generate a collision-safe hash for user IDs, improving metadata handling.
- Updated the environment setup in `buildEnv` to override `metadata.user_id` with a sanitized value, ensuring compatibility with third-party APIs.
- Enhanced logging for the environment variables to aid in debugging and monitoring.
- 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.
