* fix(monitor): keep watchdog threads from holding the exit (#561)
watchdog 7.0.0 on Windows starts a plain threading.Thread per watch for
its ReadDirectoryChangesW reader (DirectoryChangeReader.start). Created
from ComfyUI's main thread it is not a daemon, and the interpreter joins
every non-daemon thread before it runs any atexit callback, so the
package teardown that would stop the observer never ran and the process
never exited.
Start the observer from a short-lived daemon thread, so every thread it
creates inherits the daemon flag. Run observer.stop(), which joins the
emitters without a limit, on a daemon thread and wait for it only until
the stop deadline; a later stop waits for the same call. Lift the
watchdog<7 cap.
Closes#561
* test(exit): exempt watchdog 7's process-wide inotify reader (#561)
watchdog 7 on Linux reads every inotify watch through one InotifyFD
daemon thread per process that no observer stop ends, by design. The
exit and package tests counted every watchdog BaseThread as the
package's, so the singleton failed them once the cap was lifted. Exclude
it, and require instead that no non-daemon thread is left at exit.
Vito
93bf24f47d