Bug Report

Description

After connecting to one radio and then disconnecting, the user cannot connect to a different radio on the network. The auto-connect logic immediately reconnects to the first radio whenever its discovery broadcast arrives.

Root Cause

The auto-connect lambda in MainWindow triggers on every radioDiscovered signal, checking only if the serial matches lastRadioSerial in QSettings and the radio isn't currently connected. After an intentional disconnect, isConnected() returns false, so the very next discovery broadcast (every ~1 second) reconnects to the original radio before the user can select a different one.

Fix

Added m_userDisconnected flag to MainWindow:

• Set true when user clicks Disconnect — blocks auto-connect
• Cleared when user explicitly clicks Connect on any radio — re-enables auto-connect with the new radio's serial
• Defaults to false on app launch so auto-connect to last radio still works

Files Changed

• src/gui/MainWindow.h — added m_userDisconnected member
• src/gui/MainWindow.cpp — guard auto-connect lambda, set flag on disconnect/connect

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