Crop from top left corner

The button to crop from top left corner is unintuitive and hard to use, please add manual crop button to drag a boundary box to crop a screenshot.
example
<img width="926" alt="bot example" src="https://github.com/user-attachments/assets/e6d7b27c-0483-4a03-ac38-5df028d4e802">
