feat: Enhance tool progress reporting and add new agents/tools

- Updated the test generator tool to include detailed progress reporting with status and stage identifiers.
- Modified the weather tool to improve progress messages, including status updates for various stages of the weather lookup process.
- Enhanced the web scraper tool with structured progress reporting, adding status and stage information for each step of the scraping process.
- Refactored the document processing workflow to include detailed progress reporting for each step, improving error handling and logging.
- Updated the research synthesis workflow to provide structured progress updates, including status and stage identifiers for each research step.
- Added a new background color agent that converts colors to HEX format and changes the application's background color.
- Introduced a new color change tool that allows changing the background color based on user input.
- Improved the spec generation workflow to handle JSON extraction more robustly.
- Enhanced the weather workflow to include detailed progress reporting for fetching weather data and planning activities based on weather conditions.