They are still using the built-in, default device handler (I did not modify them to use any other handler at all yet).
If I understand properly how things work, the issue is not with webCoRE.
The ones not working are simply not working right inside of the SmartThings mobile app, regardless of anything else outside of or connected to SmartThings.
i.e. I created this thread hours ago, and had to set it aside to go work on other tasks.
I just checked now, and the two simulated contact sensors that weren’t working before, and were displaying “Checking…” in the app are still not working, and still displaying “Checking…” as of right now.
Good thing is that I’m NOT freaking out. lol
I’ve been doing this stuff for way too long to go there.
Usually, it’s some little quirk that I just don’t know yet, or maybe even a legit glitch in the soup somewhere.
Having other peeps willing to wade through it with me sure helps. So, thanks, guys.
I know it will get resolved eventually…
I just went back through everything one more time…SmartThings mobile app, IDE, webCoRE, Alexa Routines, and discovered that the two that were still not working got reset or something, and weren’t connected to either webCoRE OR Alexa.
I walked through getting them both connected to both webCoRE AND Alexa (AGAIN! lol), and now they are working…
->KeyFob button press
->webCoRE opens simulated contact sensor
->Alexa reacts to that, and a Routine does what it’s supposed to do
Thanks again, guys!