Unexpected landmark creation behavior in AnglePlanes extension


I’m working with the AnglePlanes extension in 3D Slicer and encountering an issue where clicking to place a single landmark results in multiple landmarks being created along the path of my cursor movement. This makes precise landmark placement difficult.

Things I’ve tried:

Using a different mouse/trackpad.
Adjusting mouse sensitivity and double-click speed.
Restarting 3D Slicer.
Using an older version of 3D Slicer
Reinstalling the AnglePlanes extension.
My setup:

3D Slicer version: 5.6.1/ 5.4
AnglePlanes extension version: Revision: 702ca19
Operating System: Windows 11
Has anyone else encountered this behavior? Any suggestions or troubleshooting tips would be greatly appreciated. Attached a video showing the bug for reference.

Thank you!