- Modified `diagnose-and-fix.sh` to determine the installation directory based on the script's location.
- Added output to display the working directory for improved user feedback during diagnostics.
- Introduced `diagnose-and-fix.sh` to automate the diagnosis and repair of the AI Review Agent environment.
- Implemented checks for the existence of backend and frontend directories, virtual environment, and required files.
- Added functionality to create a new virtual environment, install dependencies, and apply database migrations.
- Included user feedback and error handling throughout the script for improved usability and troubleshooting.
