Just as I can copy the shortcut to my script directory (D:\myscript) to the InDesign script directory (C:\Program Files\Adobe\Adobe InDesign 2024\Scripts\Scripts Panel\Samples), I can use my existing scripts without having to copy them to this location. I can use the existing scripts without copying them to this location.
Just copy “myscipt.lnk” to Samples.

For example, these locations, of course it would be nice to add these to the preferences to be able to import and export, that would be more convenient.
The benefit of course, is that you don't have to worry about losing these files, because it's just shortcuts to the directories that are referenced.
Regular: C:\Users\scripts\samples
C:\Users\dublove\AppData\Roaming\Adobe\InDesign\Version 19.0-J\zh_CN\Find-Change Queries\GREP

Shortcuts:
C:\Users\dublove\AppData\Roaming\Adobe\InDesign\Version 19.0-J\zh_CN\InDesign Shortcut Sets

Workspace:
C:\Users\dublove\AppData\Roaming\Adobe\InDesign\Version 19.0-J\zh_CN\Workspaces

PDF Export Preset Templates.
C:\Users\dublove\AppData\Roaming\Adobe\Adobe PDF\Settings