Verified that this works locally. I modeled it after how basedpyright and pyright work. Here is a screenshot of what it looks like (issue has screenshots of the old state): <img width="593" height="258" alt="Screenshot 2025-11-07 at 2 40 50 PM" src="https://github.com/user-attachments/assets/5d2371fc-360b-422f-ba59-0a95f2083c87" /> Closes #42232 Release Notes: - python/ty: Code completion menu now shows packages that will be imported when a given entry is accepted.