The Angular command line interface (CLI) significantly enhances development productivity for Angular applications by streamlining project setup, configuration, file generation, and build processes. It allows developers to easily create Angular projects and manage them using simple commands such as `ng new` for project creation and `ng serve` for running applications. The CLI offers features like automatic test file generation, routing setup, and support for CSS preprocessors, all of which can be customized with various flags. Additionally, the CLI includes helpful commands for inspecting command outputs without execution, referencing documentation, and utilizing aliases for faster command execution. By automating various aspects of the development workflow, the Angular CLI allows developers to focus more on creating features rather than managing infrastructure. For developers looking to enhance their debugging capabilities, tools like LogRocket offer comprehensive monitoring and tracking of Angular state and user interactions, providing valuable insights into application performance and user experience.