Compose AI-assisted pull request summaries

- [Instructor] If you've ever spent too much time writing PR descriptions, the JetBrains AI Assistant can help. The assistant can analyze your change set and help you create a PR summary. Let's take a look at how this works. Here, I have a recent feature branch with changes. It adds a new Java class and updates an API endpoint. To create a pull request summary, we'll ask Juni to look at all of the changes on this branch and use that to inform its summary. We're asking Juni because it needs access to Git commands in order to find our Git history. Here, Juni's looking at our commit messages to understand the changes on this branch. Juni created a new file with our pull request summary. Let's take a look. The summary gives us an overview of the changes made. It also tells us the purpose and benefit of the changes as well as the testing. This is a great start for our PR description. We can take the parts of the summary we find useful. However, we shouldn't just blindly copy and paste what…