v1.5.4 Bug Updates

1.5.4 - Now with less bugs

Holymoly, thanks to the growing GobboNet community, we've been able to pinpoint an error impacting roughly 20% of machines. Workarounds were found, which is great! But hopefully this update and another few coming this week will help smooth things out.

Problem: Loopback fallback
Fix: Rescues your reporter. Wildcard bind failure no longer kills the server — it retries 127.0.0.1 and the desktop chat works

Problem: fileserver.log
Fix: The diagnostic it was always printing into a hidden window now survives; launch.bat prints it

Problem: Construct/bind split
Fix: Stops blaming the URL ACL for every failure

Problem: Reserved-port detection
Fix: The cause netstat cannot see, now named explicitly

Problem: setup-lan.bat SDDL + verify
Fix: No longer reports success on non-English Windows while doing nothing

Problem: Secret validated every run
Fix: Not just first run

Problem: :http_probe 401 handling
Fix: Stops scoring a healthy server as dead

Problem: Corrected failure message
Fix: "Desktop chat still works" was false

Problem: TROUBLESHOOTING.md + SECURITY.md
Fix: The docs launch.bat pointed at now exist and ship