Add a second, longer-lived switchLoginWatch flag alongside switchInProgress
in DaemonFeed. Suppression still clears on the first Connecting push from the
new Up, but the login watcher survives past it to catch the eventual
NeedsLogin / LoginFailed / SessionExpired terminal and emit EventTriggerLogin,
so the React orchestrator opens the browser-login flow without a second
Connect click. shouldSuppress becomes consumeForSwitch, returning both the
suppress and triggerLogin signals. CancelProfileSwitch disarms the watch so
an aborted switch does not pop a login window.
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