- Added tests for saving plain text and Chinese text directly, ensuring proper handling of content without data URI encoding.
- Updated the `parseDataURI` function to support plain text storage, returning the correct content type and data bytes.
- Improved the `getAssistants` method to support nested assistants, enhancing directory scanning for assistant pages.
- Refactored the `Page` method to accommodate assistant IDs with nested structures, improving route handling for pages.
- Removed the validExts field from test cases, streamlining the filename generation tests.
- Enhanced validation to ensure filenames have a proper extension format and are not empty, improving test robustness.
- Updated comments for clarity on expected filename behavior based on content type.
- Added an initialization step in the Load function to register attachment processes, improving the setup for file management.
- Expanded the README to include detailed documentation on the new Process API, outlining available processes, permission models, and usage examples for better developer guidance.
