Loaded your database on my test system with the latest from GitHub and my test hx711 and its workingAttached the DB and the latest logs
so we need to add a few more trace statement to your version
Line 66 put
that should start logging out the update statement of keg where we should be able to see the weight being set.
if the weight looks correct in the update statement then could you copy that update statement from the trace and run it against the database manually.