- Added support for `tool_called` and `tool_result` assertions in the Asserter, allowing for validation of tool execution and arguments.
- Introduced methods to check if specific tools were called and to validate their results against expected patterns.
- Updated the `README.md` to include detailed documentation on new assertion types, including usage examples and value formats.
- Enhanced the dynamic runner to set the response for tool-related assertions, improving the overall testing framework's capabilities.
- Introduced support for file attachments in test inputs using the `file://` protocol, allowing images, audio, and documents to be loaded and converted to appropriate formats.
- Updated `ParseInput` and related functions to handle file references, ensuring seamless integration of file content into messages.
- Enhanced error handling and path resolution for file loading, considering both relative paths and the `YAO_ROOT` environment variable.
- Expanded documentation to include examples of file attachments and their usage in test cases, improving clarity for users.
