I also have been having a lot of issues with my zwave setup recently. I believe I have an in-between setup with my zwave setup.
I still have the official Zwave JS add-on installed and running. And I have Z-wave JS UI also installed and running. I believe I set this up when Zwave JS was not the official zwave method and zwavejs UI was still kinda a beta option. I followed some guide when I did it.
I’ve been noticed some of the recent updates to Zwave have been breaking my setup so it sounds like I might need to take the jump over to full zwave js UI setup.
I plan on following this guide soon: