Trying to sync offline files and it keeps getting interrupted

I have an external hard drive with an old backup of “originals” that I had to move to a new computer with a fresh install of Lightroom. I configured lightroom to point to this new drive and it seems to do fine at first. Task Manager shows a steady 90-100 Mbps download rate and Lightroom shows the sync item going steadily decreasing. But this only lasts for about 5 minutes and then the download, disk usage, and CPU usage all run down to nearly 0. Pause and unpause sync does nothing. If I restart the program, it starts downloading steadily again, but only for about 5 minutes. I ended up vibe-coding a python script that starts Lightroom, monitors for a drop in network traffic, and then restarts Lightroom in a loop. This seems to be working well (I’m finally able to leave my computer unattended for a long time and know that it’s continuing to download). However, this points to an underlying problem that perhaps the dev team should investigate. Note, my script has a timer, and is reporting steady downloads for 5-7 minutes each time.